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* explicitly include correct DT includes
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Merge tag 'hsi-for-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi
Pull HSI update from Sebastian Reichel:
- explicitly include correct DT includes
* tag 'hsi-for-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi:
hsi: omap_ssi: Explicitly include correct DT includes
- hd44780: move cursor home after clear display command
The change allows to support displays like the NewHaven
NHD-0220DZW-AG5 which has a non-standard controller.
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Merge tag 'auxdisplay-6.6' of https://github.com/ojeda/linux
Pull auxdisplay update from Miguel Ojeda:
- hd44780: move cursor home after clear display command
The change allows to support displays like the NewHaven
NHD-0220DZW-AG5 which has a non-standard controller.
* tag 'auxdisplay-6.6' of https://github.com/ojeda/linux:
auxdisplay: hd44780: move cursor home after clear display command
In terms of lines, most changes this time are on the pinned-init API
and infrastructure. While we have a Rust version upgrade, and thus a
bunch of changes from the vendored 'alloc' crate as usual, this time
those do not account for many lines.
Toolchain and infrastructure:
- Upgrade to Rust 1.71.1. This is the second such upgrade, which is a
smaller jump compared to the last time.
This version allows us to remove the '__rust_*' allocator functions
-- the compiler now generates them as expected, thus now our
'KernelAllocator' is used.
It also introduces the 'offset_of!' macro in the standard library
(as an unstable feature) which we will need soon. So far, we were
using a declarative macro as a prerequisite in some not-yet-landed
patch series, which did not support sub-fields (i.e. nested structs):
#[repr(C)]
struct S {
a: u16,
b: (u8, u8),
}
assert_eq!(offset_of!(S, b.1), 3);
- Upgrade to bindgen 0.65.1. This is the first time we upgrade its
version.
Given it is a fairly big jump, it comes with a fair number of
improvements/changes that affect us, such as a fix needed to support
LLVM 16 as well as proper support for '__noreturn' C functions, which
are now mapped to return the '!' type in Rust:
void __noreturn f(void); // C
pub fn f() -> !; // Rust
- 'scripts/rust_is_available.sh' improvements and fixes.
This series takes care of all the issues known so far and adds a few
new checks to cover for even more cases, plus adds some more help
texts. All this together will hopefully make problematic setups
easier to identify and to be solved by users building the kernel.
In addition, it adds a test suite which covers all branches of the
shell script, as well as tests for the issues found so far.
- Support rust-analyzer for out-of-tree modules too.
- Give 'cfg's to rust-analyzer for the 'core' and 'alloc' crates.
- Drop 'scripts/is_rust_module.sh' since it is not needed anymore.
Macros crate:
- New 'paste!' proc macro.
This macro is a more flexible version of 'concat_idents!': it allows
the resulting identifier to be used to declare new items and it
allows to transform the identifiers before concatenating them, e.g.
let x_1 = 42;
paste!(let [<x _2>] = [<x _1>];);
assert!(x_1 == x_2);
The macro is then used for several of the pinned-init API changes in
this pull.
Pinned-init API:
- Make '#[pin_data]' compatible with conditional compilation of fields,
allowing to write code like:
#[pin_data]
pub struct Foo {
#[cfg(CONFIG_BAR)]
a: Bar,
#[cfg(not(CONFIG_BAR))]
a: Baz,
}
- New '#[derive(Zeroable)]' proc macro for the 'Zeroable' trait, which
allows 'unsafe' implementations for structs where every field
implements the 'Zeroable' trait, e.g.:
#[derive(Zeroable)]
pub struct DriverData {
id: i64,
buf_ptr: *mut u8,
len: usize,
}
- Add '..Zeroable::zeroed()' syntax to the 'pin_init!' macro for
zeroing all other fields, e.g.:
pin_init!(Buf {
buf: [1; 64],
..Zeroable::zeroed()
});
- New '{,pin_}init_array_from_fn()' functions to create array
initializers given a generator function, e.g.:
let b: Box<[usize; 1_000]> = Box::init::<Error>(
init_array_from_fn(|i| i)
).unwrap();
assert_eq!(b.len(), 1_000);
assert_eq!(b[123], 123);
- New '{,pin_}chain' methods for '{,Pin}Init<T, E>' that allow to
execute a closure on the value directly after initialization, e.g.:
let foo = init!(Foo {
buf <- init::zeroed()
}).chain(|foo| {
foo.setup();
Ok(())
});
- Support arbitrary paths in init macros, instead of just identifiers
and generic types.
- Implement the 'Zeroable' trait for the 'UnsafeCell<T>' and
'Opaque<T>' types.
- Make initializer values inaccessible after initialization.
- Make guards in the init macros hygienic.
'allocator' module:
- Use 'krealloc_aligned()' in 'KernelAllocator::alloc' preventing
misaligned allocations when the Rust 1.71.1 upgrade is applied later
in this pull.
The equivalent fix for the previous compiler version (where
'KernelAllocator' is not yet used) was merged into 6.5 already,
which added the 'krealloc_aligned()' function used here.
- Implement 'KernelAllocator::{realloc, alloc_zeroed}' for performance,
using 'krealloc_aligned()' too, which forwards the call to the C API.
'types' module:
- Make 'Opaque' be '!Unpin', removing the need to add a 'PhantomPinned'
field to Rust structs that contain C structs which must not be moved.
- Make 'Opaque' use 'UnsafeCell' as the outer type, rather than inner.
Documentation:
- Suggest obtaining the source code of the Rust's 'core' library using
the tarball instead of the repository.
MAINTAINERS:
- Andreas and Alice, from Samsung and Google respectively, are joining
as reviewers of the "RUST" entry.
As well as a few other minor changes and cleanups.
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Merge tag 'rust-6.6' of https://github.com/Rust-for-Linux/linux
Pull rust updates from Miguel Ojeda:
"In terms of lines, most changes this time are on the pinned-init API
and infrastructure. While we have a Rust version upgrade, and thus a
bunch of changes from the vendored 'alloc' crate as usual, this time
those do not account for many lines.
Toolchain and infrastructure:
- Upgrade to Rust 1.71.1. This is the second such upgrade, which is a
smaller jump compared to the last time.
This version allows us to remove the '__rust_*' allocator functions
-- the compiler now generates them as expected, thus now our
'KernelAllocator' is used.
It also introduces the 'offset_of!' macro in the standard library
(as an unstable feature) which we will need soon. So far, we were
using a declarative macro as a prerequisite in some not-yet-landed
patch series, which did not support sub-fields (i.e. nested
structs):
#[repr(C)]
struct S {
a: u16,
b: (u8, u8),
}
assert_eq!(offset_of!(S, b.1), 3);
- Upgrade to bindgen 0.65.1. This is the first time we upgrade its
version.
Given it is a fairly big jump, it comes with a fair number of
improvements/changes that affect us, such as a fix needed to
support LLVM 16 as well as proper support for '__noreturn' C
functions, which are now mapped to return the '!' type in Rust:
void __noreturn f(void); // C
pub fn f() -> !; // Rust
- 'scripts/rust_is_available.sh' improvements and fixes.
This series takes care of all the issues known so far and adds a
few new checks to cover for even more cases, plus adds some more
help texts. All this together will hopefully make problematic
setups easier to identify and to be solved by users building the
kernel.
In addition, it adds a test suite which covers all branches of the
shell script, as well as tests for the issues found so far.
- Support rust-analyzer for out-of-tree modules too.
- Give 'cfg's to rust-analyzer for the 'core' and 'alloc' crates.
- Drop 'scripts/is_rust_module.sh' since it is not needed anymore.
Macros crate:
- New 'paste!' proc macro.
This macro is a more flexible version of 'concat_idents!': it
allows the resulting identifier to be used to declare new items and
it allows to transform the identifiers before concatenating them,
e.g.
let x_1 = 42;
paste!(let [<x _2>] = [<x _1>];);
assert!(x_1 == x_2);
The macro is then used for several of the pinned-init API changes
in this pull.
Pinned-init API:
- Make '#[pin_data]' compatible with conditional compilation of
fields, allowing to write code like:
#[pin_data]
pub struct Foo {
#[cfg(CONFIG_BAR)]
a: Bar,
#[cfg(not(CONFIG_BAR))]
a: Baz,
}
- New '#[derive(Zeroable)]' proc macro for the 'Zeroable' trait,
which allows 'unsafe' implementations for structs where every field
implements the 'Zeroable' trait, e.g.:
#[derive(Zeroable)]
pub struct DriverData {
id: i64,
buf_ptr: *mut u8,
len: usize,
}
- Add '..Zeroable::zeroed()' syntax to the 'pin_init!' macro for
zeroing all other fields, e.g.:
pin_init!(Buf {
buf: [1; 64],
..Zeroable::zeroed()
});
- New '{,pin_}init_array_from_fn()' functions to create array
initializers given a generator function, e.g.:
let b: Box<[usize; 1_000]> = Box::init::<Error>(
init_array_from_fn(|i| i)
).unwrap();
assert_eq!(b.len(), 1_000);
assert_eq!(b[123], 123);
- New '{,pin_}chain' methods for '{,Pin}Init<T, E>' that allow to
execute a closure on the value directly after initialization, e.g.:
let foo = init!(Foo {
buf <- init::zeroed()
}).chain(|foo| {
foo.setup();
Ok(())
});
- Support arbitrary paths in init macros, instead of just identifiers
and generic types.
- Implement the 'Zeroable' trait for the 'UnsafeCell<T>' and
'Opaque<T>' types.
- Make initializer values inaccessible after initialization.
- Make guards in the init macros hygienic.
'allocator' module:
- Use 'krealloc_aligned()' in 'KernelAllocator::alloc' preventing
misaligned allocations when the Rust 1.71.1 upgrade is applied
later in this pull.
The equivalent fix for the previous compiler version (where
'KernelAllocator' is not yet used) was merged into 6.5 already,
which added the 'krealloc_aligned()' function used here.
- Implement 'KernelAllocator::{realloc, alloc_zeroed}' for
performance, using 'krealloc_aligned()' too, which forwards the
call to the C API.
'types' module:
- Make 'Opaque' be '!Unpin', removing the need to add a
'PhantomPinned' field to Rust structs that contain C structs which
must not be moved.
- Make 'Opaque' use 'UnsafeCell' as the outer type, rather than
inner.
Documentation:
- Suggest obtaining the source code of the Rust's 'core' library
using the tarball instead of the repository.
MAINTAINERS:
- Andreas and Alice, from Samsung and Google respectively, are
joining as reviewers of the "RUST" entry.
As well as a few other minor changes and cleanups"
* tag 'rust-6.6' of https://github.com/Rust-for-Linux/linux: (42 commits)
rust: init: update expanded macro explanation
rust: init: add `{pin_}chain` functions to `{Pin}Init<T, E>`
rust: init: make `PinInit<T, E>` a supertrait of `Init<T, E>`
rust: init: implement `Zeroable` for `UnsafeCell<T>` and `Opaque<T>`
rust: init: add support for arbitrary paths in init macros
rust: init: add functions to create array initializers
rust: init: add `..Zeroable::zeroed()` syntax for zeroing all missing fields
rust: init: make initializer values inaccessible after initializing
rust: init: wrap type checking struct initializers in a closure
rust: init: make guards in the init macros hygienic
rust: add derive macro for `Zeroable`
rust: init: make `#[pin_data]` compatible with conditional compilation of fields
rust: init: consolidate init macros
docs: rust: clarify what 'rustup override' does
docs: rust: update instructions for obtaining 'core' source
docs: rust: add command line to rust-analyzer section
scripts: generate_rust_analyzer: provide `cfg`s for `core` and `alloc`
rust: bindgen: upgrade to 0.65.1
rust: enable `no_mangle_with_rust_abi` Clippy lint
rust: upgrade to Rust 1.71.1
...
Contents:
- Restrict linking of keys to .ima and .evm keyrings based on
digitalSignature attribute in the certificate.
- PowerVM: load machine owner keys into the .machine [1] keyring.
- PowerVM: load module signing keys into the secondary trusted keyring
(keys blessed by the vendor).
- tpm_tis_spi: half-duplex transfer mode
- tpm_tis: retry corrupted transfers
- Apply revocation list (.mokx) to an all system keyrings (e.g. .machine
keyring).
[1] https://blogs.oracle.com/linux/post/the-machine-keyring
BR, Jarkko
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Merge tag 'tpmdd-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd
Pull tpm updates from Jarkko Sakkinen:
- Restrict linking of keys to .ima and .evm keyrings based on
digitalSignature attribute in the certificate
- PowerVM: load machine owner keys into the .machine [1] keyring
- PowerVM: load module signing keys into the secondary trusted keyring
(keys blessed by the vendor)
- tpm_tis_spi: half-duplex transfer mode
- tpm_tis: retry corrupted transfers
- Apply revocation list (.mokx) to an all system keyrings (e.g.
.machine keyring)
Link: https://blogs.oracle.com/linux/post/the-machine-keyring [1]
* tag 'tpmdd-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
certs: Reference revocation list for all keyrings
tpm/tpm_tis_synquacer: Use module_platform_driver macro to simplify the code
tpm: remove redundant variable len
tpm_tis: Resend command to recover from data transfer errors
tpm_tis: Use responseRetry to recover from data transfer errors
tpm_tis: Move CRC check to generic send routine
tpm_tis_spi: Add hardware wait polling
KEYS: Replace all non-returning strlcpy with strscpy
integrity: PowerVM support for loading third party code signing keys
integrity: PowerVM machine keyring enablement
integrity: check whether imputed trust is enabled
integrity: remove global variable from machine_keyring.c
integrity: ignore keys failing CA restrictions on non-UEFI platform
integrity: PowerVM support for loading CA keys on machine keyring
integrity: Enforce digitalSignature usage in the ima and evm keyrings
KEYS: DigitalSignature link restriction
tpm_tis: Revert "tpm_tis: Disable interrupts on ThinkPad T490s"
This nolibc update for Linux 6.6-rc1 consists of:
Nolibc:
- improved portability by removing build errors with -ENOSYS
- added syscall6() on MIPS to support pselect6() and mmap()
- added setvbuf(), rmdir(), pipe(), pipe2()
- add support for ppc/ppc64
- environ is no longer optional
- fixed frame pointer issues at -O0
- dropped sys_stat() in favor of sys_statx()
- centralized _start_c() to remove lots of asm code
- switched size_t to __SIZE_TYPE__
Selftests:
- improved status reporting (success/warning/failure counts,
path to log file)
- various code cleanups (indent, unused variables, ...)
- more consistent test numbering
- enabled compiler warnings
- dropped unreliable chmod_net test
- improved reliability (create /dev/zero & /tmp, rely less on /proc)
- new tests (brk/sbrk/mmap/munmap)
- improved compatibility with musl
- new run-nolibc-test target to build and run natively
- new run-libc-test target to build and run against native libc
- made the cmdline parser more reliable against boolean arguments
- dropped dependency on memfd for vfprintf() test
- nolibc-test is no longer stripped
- added support for extending ARCH via XARCH
Other:
- add Thomas as co-maintainer
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Merge tag 'linux-kselftest-nolibc-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull nolibc updates from Shuah Khan:
"Nolibc:
- improved portability by removing build errors with -ENOSYS
- added syscall6() on MIPS to support pselect6() and mmap()
- added setvbuf(), rmdir(), pipe(), pipe2()
- add support for ppc/ppc64
- environ is no longer optional
- fixed frame pointer issues at -O0
- dropped sys_stat() in favor of sys_statx()
- centralized _start_c() to remove lots of asm code
- switched size_t to __SIZE_TYPE__
Selftests:
- improved status reporting (success/warning/failure counts, path to
log file)
- various code cleanups (indent, unused variables, ...)
- more consistent test numbering
- enabled compiler warnings
- dropped unreliable chmod_net test
- improved reliability (create /dev/zero & /tmp, rely less on /proc)
- new tests (brk/sbrk/mmap/munmap)
- improved compatibility with musl
- new run-nolibc-test target to build and run natively
- new run-libc-test target to build and run against native libc
- made the cmdline parser more reliable against boolean arguments
- dropped dependency on memfd for vfprintf() test
- nolibc-test is no longer stripped
- added support for extending ARCH via XARCH
Other:
- add Thomas as co-maintainer"
* tag 'linux-kselftest-nolibc-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (103 commits)
tools/nolibc: avoid undesired casts in the __sysret() macro
tools/nolibc: keep brk(), sbrk(), mmap() away from __sysret()
tools/nolibc: silence ppc64 compile warnings
selftests/nolibc: libc-test: use HOSTCC instead of CC
tools/nolibc: stackprotector.h: make __stack_chk_init static
selftests/nolibc: allow report with existing test log
selftests/nolibc: add test support for ppc64
selftests/nolibc: add test support for ppc64le
selftests/nolibc: add test support for ppc
selftests/nolibc: add XARCH and ARCH mapping support
tools/nolibc: add support for powerpc64
tools/nolibc: add support for powerpc
MAINTAINERS: nolibc: add myself as co-maintainer
selftests/nolibc: enable compiler warnings
selftests/nolibc: don't strip nolibc-test
selftests/nolibc: prevent out of bounds access in expect_vfprintf
selftests/nolibc: use correct return type for read() and write()
selftests/nolibc: avoid sign-compare warnings
selftests/nolibc: avoid unused parameter warnings
selftests/nolibc: make functions static if possible
...
This kunit update for Linux 6.6.rc1 consists of:
-- Adds support for running Rust documentation tests as KUnit tests
-- Makes init, str, sync, types doctests compilable/testable
-- Adds support for attributes API which include speed, modules
attributes, ability to filter and report attributes.
-- Adds support for marking tests slow using attributes API.
-- Adds attributes API documentation
-- Fixes to wild-memory-access bug in kunit_filter_suites() and
a possible memory leak in kunit_filter_suites()
-- Adds support for counting number of test suites in a module, list
action to kunit test modules, and test filtering on module tests.
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Merge tag 'linux-kselftest-kunit-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kunit updates from Shuah Khan:
- add support for running Rust documentation tests as KUnit tests
- make init, str, sync, types doctests compilable/testable
- add support for attributes API which include speed, modules
attributes, ability to filter and report attributes
- add support for marking tests slow using attributes API
- add attributes API documentation
- fix a wild-memory-access bug in kunit_filter_suites() and a possible
memory leak in kunit_filter_suites()
- add support for counting number of test suites in a module, list
action to kunit test modules, and test filtering on module tests
* tag 'linux-kselftest-kunit-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (25 commits)
kunit: fix struct kunit_attr header
kunit: replace KUNIT_TRIGGER_STATIC_STUB maro with KUNIT_STATIC_STUB_REDIRECT
kunit: Allow kunit test modules to use test filtering
kunit: Make 'list' action available to kunit test modules
kunit: Report the count of test suites in a module
kunit: fix uninitialized variables bug in attributes filtering
kunit: fix possible memory leak in kunit_filter_suites()
kunit: fix wild-memory-access bug in kunit_filter_suites()
kunit: Add documentation of KUnit test attributes
kunit: add tests for filtering attributes
kunit: time: Mark test as slow using test attributes
kunit: memcpy: Mark tests as slow using test attributes
kunit: tool: Add command line interface to filter and report attributes
kunit: Add ability to filter attributes
kunit: Add module attribute
kunit: Add speed attribute
kunit: Add test attributes API structure
MAINTAINERS: add Rust KUnit files to the KUnit entry
rust: support running Rust documentation tests as KUnit ones
rust: types: make doctests compilable/testable
...
This Kselftest update for Linux 6.6-rc1 consists of a mix of fixes,
enhancements, and new tests. Bulk of the changes enhance and fix
rseq and resctrl tests. In addition, user_events, dmabuf-heaps and
perf_events are added to default kselftest build and test coverage.
A futex test fix, enhance prctl test coverage, and minor fixes are
included in this update.
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Merge tag 'linux-kselftest-next-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest updates from Shuah Khan:
"A mix of fixes, enhancements, and new tests. Bulk of the changes
enhance and fix rseq and resctrl tests.
In addition, user_events, dmabuf-heaps and perf_events are added to
default kselftest build and test coverage. A futex test fix, enhance
prctl test coverage, and minor fixes are included in this update"
* tag 'linux-kselftest-next-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (32 commits)
selftests: cachestat: use proper syscall number macro
selftests: cachestat: properly link in librt
selftests/futex: Order calls to futex_lock_pi
selftests: Hook more tests into the build infrastructure
selftests/user_events: Reenable build
selftests/filesystems: Add six consecutive 'x' characters to mktemp
selftests/rseq: Use rseq_unqual_scalar_typeof in macros
selftests/rseq: Fix arm64 buggy load-acquire/store-release macros
selftests/rseq: Implement rseq_unqual_scalar_typeof
selftests/rseq: Fix CID_ID typo in Makefile
selftests:prctl: add set-process-name to .gitignore
selftests:prctl: Fix make clean override warning
selftests/resctrl: Remove test type checks from cat_val()
selftests/resctrl: Pass the real number of tests to show_cache_info()
selftests/resctrl: Move CAT/CMT test global vars to function they are used in
selftests/resctrl: Don't use variable argument list for ->setup()
selftests/resctrl: Don't pass test name to fill_buf
selftests/resctrl: Improve parameter consistency in fill_buf
selftests/resctrl: Remove unnecessary startptr global from fill_buf
selftests/resctrl: Remove "malloc_and_init_memory" param from run_fill_buf()
...
- Make the ACPI thermal driver use its own Notify() handler (Michal
Wilczynski).
- Rework the ACPI thermal driver to use a table of generic trip point
structures on top of the internal representation of trip points and
remove thermal zone callbacks that are not necessary any more from
that driver (Rafael Wysocki).
- Fix a few issues in the Intel DTS IOSF thermal driver, clean up code
in it and make it pass tables of generic trip point structures to the
core during thermal zone registration (Rafael Wysocki).
- Drop a redundant check from the Intel DTS IOSF thermal driver's
"remove" routine (Zhang Rui).
- Use module_platform_driver() to replace an open-coded counterpart of
it in the int340x thermal driver (Yang Yingliang).
- Fix possible uninitialized value access in __thermal_of_bind() and
__thermal_of_unbind() (Peng Fan).
- Make the int3400 driver use thermal zone device wrappers (Daniel
Lezcano).
- Remove redundant thermal zone state check from the int340x thermal
driver (Daniel Lezcano).
- Drop non-functional nocrt parameter from ACPI thermal (Mario
Limonciello).
- Explicitly include correct DT includes in the thermal core and
drivers (Rob Herring).
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Merge tag 'thermal-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control updates from Rafael Wysocki:
"These rework the Intel DTS IOSF and the ACPI thermal drivers to pass
tables of generic trip point structures to the core during
initialization and make some requisite modifications in the thermal
core, fix a few issues elsewhere and clean up code.
This includes changes that are present in the ACPI updates too,
because they involve both ACPI and the thermal core. The list of
specific changes below is limited to thermal control, however.
Specifics:
- Make the ACPI thermal driver use its own Notify() handler (Michal
Wilczynski)
- Rework the ACPI thermal driver to use a table of generic trip point
structures on top of the internal representation of trip points and
remove thermal zone callbacks that are not necessary any more from
that driver (Rafael Wysocki)
- Fix a few issues in the Intel DTS IOSF thermal driver, clean up
code in it and make it pass tables of generic trip point structures
to the core during thermal zone registration (Rafael Wysocki)
- Drop a redundant check from the Intel DTS IOSF thermal driver's
"remove" routine (Zhang Rui)
- Use module_platform_driver() to replace an open-coded counterpart
of it in the int340x thermal driver (Yang Yingliang)
- Fix possible uninitialized value access in __thermal_of_bind() and
__thermal_of_unbind() (Peng Fan)
- Make the int3400 driver use thermal zone device wrappers (Daniel
Lezcano)
- Remove redundant thermal zone state check from the int340x thermal
driver (Daniel Lezcano)
- Drop non-functional nocrt parameter from ACPI thermal (Mario
Limonciello)
- Explicitly include correct DT includes in the thermal core and
drivers (Rob Herring)"
* tag 'thermal-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: intel: intel_soc_dts_iosf: Remove redundant check
thermal: intel: int340x: simplify the code with module_platform_driver()
thermal/of: Fix potential uninitialized value access
thermal: intel: intel_soc_dts_iosf: Use struct thermal_trip
thermal: intel: intel_soc_dts_iosf: Rework critical trip setup
thermal: intel: intel_soc_dts_iosf: Add helper for resetting trip points
thermal: intel: intel_soc_dts_iosf: Change initialization ordering
thermal: intel: intel_soc_dts_iosf: Pass sensors to update_trip_temp()
thermal: intel: intel_soc_dts_iosf: Untangle update_trip_temp()
thermal: intel: intel_soc_dts_iosf: Always assume notification support
thermal: intel: intel_soc_dts_iosf: Drop redundant symbol definition
thermal: intel: intel_soc_dts_iosf: Always use 2 trips
thermal: Explicitly include correct DT includes
thermal/drivers/int340x: Do not check the thermal zone state
thermal/drivers/int3400: Use thermal zone device wrappers
- Rework the menu and teo cpuidle governors to avoid calling
tick_nohz_get_sleep_length(), which is likely to become quite
expensive going forward, too often and improve making decisions
regarding whether or not to stop the scheduler tick in the teo
governor (Rafael Wysocki).
- Improve the performance of cpufreq_stats_create_table() in some
cases (Liao Chang).
- Fix two issues in the amd-pstate-ut cpufreq driver (Swapnil Sapkal).
- Use clamp() helper macro to improve the code readability in
cpufreq_verify_within_limits() (Liao Chang).
- Set stale CPU frequency to minimum in intel_pstate (Doug Smythies).
- Migrate cpufreq drivers for various platforms to use void remove
callback (Yangtao Li).
- Add online/offline/exit hooks for Tegra driver (Sumit Gupta).
- Explicitly include correct DT includes in cpufreq (Rob Herring).
- Frequency domain updates for qcom-hw driver (Neil Armstrong).
- Modify AMD pstate driver return the highest_perf value (Meng Li).
- Generic cleanups for cppc, mediatek and powernow driver (Liao Chang,
Konrad Dybcio).
- Add more platforms to cpufreq-arm driver's blocklist (AngeloGioacchino
Del Regno and Konrad Dybcio).
- brcmstb-avs-cpufreq: Fix -Warray-bounds bug (Gustavo A. R. Silva).
- Add device PM helpers to allow a device to remain powered-on during
system-wide transitions (Ulf Hansson).
- Rework hibernation memory snapshotting to avoid storing pages filled
with zeros in hibernation image files (Brian Geffon).
- Add check to make sure that CPU latency QoS constraints do not use
negative values (Clive Lin).
- Optimize rp->domains memory allocation in the Intel RAPL power
capping driver (xiongxin).
- Remove recursion while parsing zones in the arm_scmi power capping
driver (Cristian Marussi).
- Fix memory leak in devfreq_dev_release() (Boris Brezillon).
- Rewrite devfreq_monitor_start() kerneldoc comment (Manivannan
Sadhasivam).
- Explicitly include correct DT includes in devfreq (Rob Herring).
- Remove unsued pm_runtime_update_max_time_suspended() extern
declaration (YueHaibing).
- Add turbo-boost support to cpupower (Wyes Karny).
- Add support for amd_pstate mode change to cpupower (Wyes Karny).
- Fix 'cpupower idle_set' command to accept only numeric values of
arguments (Likhitha Korrapati).
- Clean up OPP code and add new frequency related APIs to it (Viresh
Kumar, Manivannan Sadhasivam).
- Convert ti cpufreq/opp bindings to json schema (Nishanth Menon).
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Merge tag 'pm-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These rework cpuidle governors to call tick_nohz_get_sleep_length()
less often and fix one of them, rework hibernation to avoid storing
pages filled with zeros in hibernation images, switch over some
cpufreq drivers to use void remove callbacks, fix and clean up
multiple cpufreq drivers, fix the devfreq core, update the cpupower
utility and make other assorted improvements.
Specifics:
- Rework the menu and teo cpuidle governors to avoid calling
tick_nohz_get_sleep_length(), which is likely to become quite
expensive going forward, too often and improve making decisions
regarding whether or not to stop the scheduler tick in the teo
governor (Rafael Wysocki)
- Improve the performance of cpufreq_stats_create_table() in some
cases (Liao Chang)
- Fix two issues in the amd-pstate-ut cpufreq driver (Swapnil Sapkal)
- Use clamp() helper macro to improve the code readability in
cpufreq_verify_within_limits() (Liao Chang)
- Set stale CPU frequency to minimum in intel_pstate (Doug Smythies)
- Migrate cpufreq drivers for various platforms to use void remove
callback (Yangtao Li)
- Add online/offline/exit hooks for Tegra driver (Sumit Gupta)
- Explicitly include correct DT includes in cpufreq (Rob Herring)
- Frequency domain updates for qcom-hw driver (Neil Armstrong)
- Modify AMD pstate driver return the highest_perf value (Meng Li)
- Generic cleanups for cppc, mediatek and powernow driver (Liao
Chang, Konrad Dybcio)
- Add more platforms to cpufreq-arm driver's blocklist
(AngeloGioacchino Del Regno and Konrad Dybcio)
- brcmstb-avs-cpufreq: Fix -Warray-bounds bug (Gustavo A. R. Silva)
- Add device PM helpers to allow a device to remain powered-on during
system-wide transitions (Ulf Hansson)
- Rework hibernation memory snapshotting to avoid storing pages
filled with zeros in hibernation image files (Brian Geffon)
- Add check to make sure that CPU latency QoS constraints do not use
negative values (Clive Lin)
- Optimize rp->domains memory allocation in the Intel RAPL power
capping driver (xiongxin)
- Remove recursion while parsing zones in the arm_scmi power capping
driver (Cristian Marussi)
- Fix memory leak in devfreq_dev_release() (Boris Brezillon)
- Rewrite devfreq_monitor_start() kerneldoc comment (Manivannan
Sadhasivam)
- Explicitly include correct DT includes in devfreq (Rob Herring)
- Remove unsued pm_runtime_update_max_time_suspended() extern
declaration (YueHaibing)
- Add turbo-boost support to cpupower (Wyes Karny)
- Add support for amd_pstate mode change to cpupower (Wyes Karny)
- Fix 'cpupower idle_set' command to accept only numeric values of
arguments (Likhitha Korrapati)
- Clean up OPP code and add new frequency related APIs to it (Viresh
Kumar, Manivannan Sadhasivam)
- Convert ti cpufreq/opp bindings to json schema (Nishanth Menon)"
* tag 'pm-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (74 commits)
cpufreq: tegra194: remove opp table in exit hook
cpufreq: powernow-k8: Use related_cpus instead of cpus in driver.exit()
cpufreq: tegra194: add online/offline hooks
cpuidle: teo: Avoid unnecessary variable assignments
cpufreq: qcom-cpufreq-hw: add support for 4 freq domains
dt-bindings: cpufreq: qcom-hw: add a 4th frequency domain
cpufreq: amd-pstate-ut: Fix kernel panic when loading the driver
cpufreq: amd-pstate-ut: Remove module parameter access
cpufreq: Use clamp() helper macro to improve the code readability
PM: sleep: Add helpers to allow a device to remain powered-on
PM: QoS: Add check to make sure CPU latency is non-negative
PM: runtime: Remove unsued extern declaration of pm_runtime_update_max_time_suspended()
cpufreq: intel_pstate: set stale CPU frequency to minimum
cpufreq: stats: Improve the performance of cpufreq_stats_create_table()
dt-bindings: cpufreq: Convert ti-cpufreq to json schema
dt-bindings: opp: Convert ti-omap5-opp-supply to json schema
OPP: Fix argument name in doc comment
cpuidle: menu: Skip tick_nohz_get_sleep_length() call in some cases
cpufreq: cppc: Set fie_disabled to FIE_DISABLED if fails to create kworker_fie
cpufreq: cppc: cppc_cpufreq_get_rate() returns zero in all error cases.
...
- Update the ACPICA code in the kernel to upstream revision 20230628
including the following changes:
* Suppress a GCC 12 dangling-pointer warning (Philip Prindeville).
* Reformat the ACPI_STATE_COMMON macro and its users (George Guo).
* Replace the ternary operator with ACPI_MIN() (Jiangshan Yi).
* Add support for _DSC as per ACPI 6.5 (Saket Dumbre).
* Remove a duplicate macro from zephyr header (Najumon B.A).
* Add data structures for GED and _EVT tracking (Jose Marinho).
* Fix misspelled CDAT DSMAS define (Dave Jiang).
* Simplify an error message in acpi_ds_result_push() (Christophe
Jaillet).
* Add a struct size macro related to SRAT (Dave Jiang).
* Add AML_NO_OPERAND_RESOLVE flag to Timer (Abhishek Mainkar).
* Add support for RISC-V external interrupt controllers in MADT (Sunil
V L).
* Add RHCT flags, CMO and MMU nodes (Sunil V L).
* Change ACPICA version to 20230628 (Bob Moore).
- Introduce new wrappers for ACPICA notify handler install/remove and
convert multiple drivers to using their own Notify() handlers instead
of the ACPI bus type .notify() slated for removal (Michal Wilczynski).
- Add backlight=native DMI quirk for Apple iMac12,1 and iMac12,2 (Hans
de Goede).
- Put ACPI video and its child devices explicitly into D0 on boot to
avoid platform firmware confusion (Kai-Heng Feng).
- Add backlight=native DMI quirk for Lenovo Ideapad Z470 (Jiri Slaby).
- Support obtaining physical CPU ID from MADT on LoongArch (Bibo Mao).
- Convert ACPI CPU initialization to using _OSC instead of _PDC that
has been depreceted since 2018 and dropped from the specification in
ACPI 6.5 (Michal Wilczynski, Rafael Wysocki).
- Drop non-functional nocrt parameter from ACPI thermal (Mario
Limonciello).
- Clean up the ACPI thermal driver, rework the handling of firmware
notifications in it and make it provide a table of generic trip point
structures to the core during initialization (Rafael Wysocki).
- Defer enumeration of devices with _DEP pointing to IVSC (Wentong Wu).
- Install SystemCMOS address space handler for ACPI000E (TAD) to meet
platform firmware expectations on some platforms (Zhang Rui).
- Fix finding the generic error data in the ACPi extlog driver for
compatibility with old and new firmware interface versions (Xiaochun
Lee).
- Remove assorted unused declarations of functions (Yue Haibing).
- Move AMBA bus scan handling into arm64 specific directory (Sudeep
Holla).
- Fix and clean up suspend-to-idle interface for AMD systems (Mario
Limonciello, Andy Shevchenko).
- Fix string truncation warning in pnpacpi_add_device() (Sunil V L).
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Merge tag 'acpi-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These include new ACPICA material, a rework of the ACPI thermal
driver, a switch-over of the ACPI processor driver to using _OSC
instead of (long deprecated) _PDC for CPU initialization, a rework of
firmware notifications handling in several drivers, fixes and cleanups
for suspend-to-idle handling on AMD systems, ACPI backlight driver
updates and more.
Specifics:
- Update the ACPICA code in the kernel to upstream revision 20230628
including the following changes:
- Suppress a GCC 12 dangling-pointer warning (Philip Prindeville)
- Reformat the ACPI_STATE_COMMON macro and its users (George Guo)
- Replace the ternary operator with ACPI_MIN() (Jiangshan Yi)
- Add support for _DSC as per ACPI 6.5 (Saket Dumbre)
- Remove a duplicate macro from zephyr header (Najumon B.A)
- Add data structures for GED and _EVT tracking (Jose Marinho)
- Fix misspelled CDAT DSMAS define (Dave Jiang)
- Simplify an error message in acpi_ds_result_push() (Christophe
Jaillet)
- Add a struct size macro related to SRAT (Dave Jiang)
- Add AML_NO_OPERAND_RESOLVE flag to Timer (Abhishek Mainkar)
- Add support for RISC-V external interrupt controllers in MADT
(Sunil V L)
- Add RHCT flags, CMO and MMU nodes (Sunil V L)
- Change ACPICA version to 20230628 (Bob Moore)
- Introduce new wrappers for ACPICA notify handler install/remove and
convert multiple drivers to using their own Notify() handlers
instead of the ACPI bus type .notify() slated for removal (Michal
Wilczynski)
- Add backlight=native DMI quirk for Apple iMac12,1 and iMac12,2
(Hans de Goede)
- Put ACPI video and its child devices explicitly into D0 on boot to
avoid platform firmware confusion (Kai-Heng Feng)
- Add backlight=native DMI quirk for Lenovo Ideapad Z470 (Jiri Slaby)
- Support obtaining physical CPU ID from MADT on LoongArch (Bibo Mao)
- Convert ACPI CPU initialization to using _OSC instead of _PDC that
has been depreceted since 2018 and dropped from the specification
in ACPI 6.5 (Michal Wilczynski, Rafael Wysocki)
- Drop non-functional nocrt parameter from ACPI thermal (Mario
Limonciello)
- Clean up the ACPI thermal driver, rework the handling of firmware
notifications in it and make it provide a table of generic trip
point structures to the core during initialization (Rafael Wysocki)
- Defer enumeration of devices with _DEP pointing to IVSC (Wentong
Wu)
- Install SystemCMOS address space handler for ACPI000E (TAD) to meet
platform firmware expectations on some platforms (Zhang Rui)
- Fix finding the generic error data in the ACPi extlog driver for
compatibility with old and new firmware interface versions
(Xiaochun Lee)
- Remove assorted unused declarations of functions (Yue Haibing)
- Move AMBA bus scan handling into arm64 specific directory (Sudeep
Holla)
- Fix and clean up suspend-to-idle interface for AMD systems (Mario
Limonciello, Andy Shevchenko)
- Fix string truncation warning in pnpacpi_add_device() (Sunil V L)"
* tag 'acpi-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (66 commits)
ACPI: x86: s2idle: Add a function to get LPS0 constraint for a device
ACPI: x86: s2idle: Add for_each_lpi_constraint() helper
ACPI: x86: s2idle: Add more debugging for AMD constraints parsing
ACPI: x86: s2idle: Fix a logic error parsing AMD constraints table
ACPI: x86: s2idle: Catch multiple ACPI_TYPE_PACKAGE objects
ACPI: x86: s2idle: Post-increment variables when getting constraints
ACPI: Adjust #ifdef for *_lps0_dev use
ACPI: TAD: Install SystemCMOS address space handler for ACPI000E
ACPI: Remove assorted unused declarations of functions
ACPI: extlog: Fix finding the generic error data for v3 structure
PNP: ACPI: Fix string truncation warning
ACPI: Remove unused extern declaration acpi_paddr_to_node()
ACPI: video: Add backlight=native DMI quirk for Apple iMac12,1 and iMac12,2
ACPI: video: Put ACPI video and its child devices into D0 on boot
ACPI: processor: LoongArch: Get physical ID from MADT
ACPI: scan: Defer enumeration of devices with a _DEP pointing to IVSC device
ACPI: thermal: Eliminate code duplication from acpi_thermal_notify()
ACPI: thermal: Drop unnecessary thermal zone callbacks
ACPI: thermal: Rework thermal_get_trend()
ACPI: thermal: Use trip point table to register thermal zones
...
* Improvements
- Remove shutdown timeout on EC panic for offering the filesystem a
chance to sync.
- Support official HID "GOOG0016" for ChromeOS ACPI.
* Fixes
- Print hex string instead of using "%s" for ACPI_TYPE_BUFFER.
* Misc
- Update MAINTAINERS.
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Merge tag 'tag-chrome-platform-for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
Pull chrome platform updates from Tzung-Bi Shih:
"Improvements:
- Remove shutdown timeout on EC panic for offering the filesystem a
chance to sync
- Support official HID "GOOG0016" for ChromeOS ACPI
Fixes:
- Print hex string instead of using "%s" for ACPI_TYPE_BUFFER
Misc:
- Update MAINTAINERS"
* tag 'tag-chrome-platform-for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
platform/chrome: chromeos_acpi: print hex string for ACPI_TYPE_BUFFER
platform/chrome: chromeos_acpi: support official HID GOOG0016
platform/chrome: cros_ec_lpc: Remove EC panic shutdown timeout
MAINTAINERS: update maintainers of chrome-platform
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Merge tag 'for-linus-6.6-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen updates from Juergen Gross:
- a bunch of minor cleanups
- a patch adding irqfd support for virtio backends running as user
daemon supporting Xen guests
* tag 'for-linus-6.6-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen: privcmd: Add support for irqfd
xen/xenbus: Avoid a lockdep warning when adding a watch
xen: Fix one kernel-doc comment
xen: xenbus: Use helper function IS_ERR_OR_NULL()
xen: Switch to use kmemdup() helper
xen-pciback: Remove unused function declarations
x86/xen: Make virt_to_pfn() a static inline
xen: remove a confusing comment on auto-translated guest I/O
xen/evtchn: Remove unused function declaration xen_set_affinity_evtchn()
CPU features and system registers:
* Advertise hinted conditional branch support (FEAT_HBC) to
userspace
* Avoid false positive "SANITY CHECK" warning when xCR registers
differ outside of the length field
Documentation:
* Fix macro name typo in SME documentation
Entry code:
* Unmask exceptions earlier on the system call entry path
Memory management:
* Don't bother clearing PTE_RDONLY for dirty ptes in
pte_wrprotect() and pte_modify()
Perf and PMU drivers:
* Initial support for Coresight TRBE devices on ACPI systems (the
coresight driver changes will come later)
* Fix hw_breakpoint single-stepping when called from bpf
* Fixes for DDR PMU on i.MX8MP SoC
* Add NUMA-awareness to Hisilicon PCIe PMU driver
* Fix locking dependency issue in Arm DMC620 PMU driver
* Workaround Hisilicon erratum 162001900 in the SMMUv3 PMU driver
* Add support for Arm CMN-700 r3 parts to the CMN PMU driver
* Add support for recent Arm Cortex CPU PMUs
* Update Hisilicon PMU maintainers
Selftests:
* Add a bunch of new features to the hwcap test (JSCVT, PMULL,
AES, SHA1, etc)
* Fix SSVE test to leave streaming-mode after grabbing the
signal context
* Add new test for SVE vector-length changes with SME enabled
Miscellaneous:
* Allow compiler to warn on suspicious looking system register
expressions
* Work around SDEI firmware bug by aborting any running
handlers on a kernel crash
* Fix some harmless warnings when building with W=1
* Remove some unused function declarations
* Other minor fixes and cleanup
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Will Deacon:
"I think we have a bit less than usual on the architecture side, but
that's somewhat balanced out by a large crop of perf/PMU driver
updates and extensions to our selftests.
CPU features and system registers:
- Advertise hinted conditional branch support (FEAT_HBC) to userspace
- Avoid false positive "SANITY CHECK" warning when xCR registers
differ outside of the length field
Documentation:
- Fix macro name typo in SME documentation
Entry code:
- Unmask exceptions earlier on the system call entry path
Memory management:
- Don't bother clearing PTE_RDONLY for dirty ptes in pte_wrprotect()
and pte_modify()
Perf and PMU drivers:
- Initial support for Coresight TRBE devices on ACPI systems (the
coresight driver changes will come later)
- Fix hw_breakpoint single-stepping when called from bpf
- Fixes for DDR PMU on i.MX8MP SoC
- Add NUMA-awareness to Hisilicon PCIe PMU driver
- Fix locking dependency issue in Arm DMC620 PMU driver
- Workaround Hisilicon erratum 162001900 in the SMMUv3 PMU driver
- Add support for Arm CMN-700 r3 parts to the CMN PMU driver
- Add support for recent Arm Cortex CPU PMUs
- Update Hisilicon PMU maintainers
Selftests:
- Add a bunch of new features to the hwcap test (JSCVT, PMULL, AES,
SHA1, etc)
- Fix SSVE test to leave streaming-mode after grabbing the signal
context
- Add new test for SVE vector-length changes with SME enabled
Miscellaneous:
- Allow compiler to warn on suspicious looking system register
expressions
- Work around SDEI firmware bug by aborting any running handlers on a
kernel crash
- Fix some harmless warnings when building with W=1
- Remove some unused function declarations
- Other minor fixes and cleanup"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (62 commits)
drivers/perf: hisi: Update HiSilicon PMU maintainers
arm_pmu: acpi: Add a representative platform device for TRBE
arm_pmu: acpi: Refactor arm_spe_acpi_register_device()
kselftest/arm64: Fix hwcaps selftest build
hw_breakpoint: fix single-stepping when using bpf_overflow_handler
arm64/sysreg: refactor deprecated strncpy
kselftest/arm64: add jscvt feature to hwcap test
kselftest/arm64: add pmull feature to hwcap test
kselftest/arm64: add AES feature check to hwcap test
kselftest/arm64: add SHA1 and related features to hwcap test
arm64: sysreg: Generate C compiler warnings on {read,write}_sysreg_s arguments
kselftest/arm64: build BTI tests in output directory
perf/imx_ddr: don't enable counter0 if none of 4 counters are used
perf/imx_ddr: speed up overflow frequency of cycle
drivers/perf: hisi: Schedule perf session according to locality
kselftest/arm64: fix a memleak in zt_regs_run()
perf/arm-dmc620: Fix dmc620_pmu_irqs_lock/cpu_hotplug_lock circular lock dependency
perf/smmuv3: Add MODULE_ALIAS for module auto loading
perf/smmuv3: Enable HiSilicon Erratum 162001900 quirk for HIP08/09
kselftest/arm64: Size sycall-abi buffers for the actual maximum VL
...
- Add vfio-ap support to pass-through crypto devices to secure execution
guests
- Add API ordinal 6 support to zcrypt_ep11misc device drive, which is
required to handle key generate and key derive (e.g. secure key to
protected key) correctly
- Add missing secure/has_secure sysfs files for the case where it is not
possible to figure where a system has been booted from. Existing user
space relies on that these files are always present
- Fix DCSS block device driver list corruption, caused by incorrect
error handling
- Convert virt_to_pfn() and pfn_to_virt() from defines to static inline
functions to enforce type checking
- Cleanups, improvements, and minor fixes to the kernel mapping setup
- Fix various virtual vs physical address confusions
- Move pfault code to separate file, since it has nothing to do with
regular fault handling
- Move s390 documentation to Documentation/arch/ like it has been done
for other architectures already
- Add HAVE_FUNCTION_GRAPH_RETVAL support
- Factor out the s390_hypfs filesystem and add a new config option for
it. The filesystem is deprecated and as soon as all users are gone it
can be removed some time in the not so near future
- Remove support for old CEX2 and CEX3 crypto cards from zcrypt device
driver
- Add support for user-defined certificates: receive user-defined
certificates with a diagnose call and provide them via 'cert_store'
keyring to user space
- Couple of other small fixes and improvements all over the place
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Merge tag 's390-6.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Heiko Carstens:
- Add vfio-ap support to pass-through crypto devices to secure
execution guests
- Add API ordinal 6 support to zcrypt_ep11misc device drive, which is
required to handle key generate and key derive (e.g. secure key to
protected key) correctly
- Add missing secure/has_secure sysfs files for the case where it is
not possible to figure where a system has been booted from. Existing
user space relies on that these files are always present
- Fix DCSS block device driver list corruption, caused by incorrect
error handling
- Convert virt_to_pfn() and pfn_to_virt() from defines to static inline
functions to enforce type checking
- Cleanups, improvements, and minor fixes to the kernel mapping setup
- Fix various virtual vs physical address confusions
- Move pfault code to separate file, since it has nothing to do with
regular fault handling
- Move s390 documentation to Documentation/arch/ like it has been done
for other architectures already
- Add HAVE_FUNCTION_GRAPH_RETVAL support
- Factor out the s390_hypfs filesystem and add a new config option for
it. The filesystem is deprecated and as soon as all users are gone it
can be removed some time in the not so near future
- Remove support for old CEX2 and CEX3 crypto cards from zcrypt device
driver
- Add support for user-defined certificates: receive user-defined
certificates with a diagnose call and provide them via 'cert_store'
keyring to user space
- Couple of other small fixes and improvements all over the place
* tag 's390-6.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (66 commits)
s390/pci: use builtin_misc_device macro to simplify the code
s390/vfio-ap: make sure nib is shared
KVM: s390: export kvm_s390_pv*_is_protected functions
s390/uv: export uv_pin_shared for direct usage
s390/vfio-ap: check for TAPQ response codes 0x35 and 0x36
s390/vfio-ap: handle queue state change in progress on reset
s390/vfio-ap: use work struct to verify queue reset
s390/vfio-ap: store entire AP queue status word with the queue object
s390/vfio-ap: remove upper limit on wait for queue reset to complete
s390/vfio-ap: allow deconfigured queue to be passed through to a guest
s390/vfio-ap: wait for response code 05 to clear on queue reset
s390/vfio-ap: clean up irq resources if possible
s390/vfio-ap: no need to check the 'E' and 'I' bits in APQSW after TAPQ
s390/ipl: refactor deprecated strncpy
s390/ipl: fix virtual vs physical address confusion
s390/zcrypt_ep11misc: support API ordinal 6 with empty pin-blob
s390/paes: fix PKEY_TYPE_EP11_AES handling for secure keyblobs
s390/pkey: fix PKEY_TYPE_EP11_AES handling for sysfs attributes
s390/pkey: fix PKEY_TYPE_EP11_AES handling in PKEY_VERIFYKEY2 IOCTL
s390/pkey: fix PKEY_TYPE_EP11_AES handling in PKEY_KBLOB2PROTK[23]
...
The following commit deserves special mention:
22dc02f81cddd Revert "sched/fair: Move unused stub functions to header"
This is in x86/cleanups, because the revert is a re-application of a
number of cleanups that got removed inadvertedly.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-cleanups-2023-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc x86 cleanups from Ingo Molnar:
"The following commit deserves special mention:
22dc02f81cddd Revert "sched/fair: Move unused stub functions to header"
This is in x86/cleanups, because the revert is a re-application of a
number of cleanups that got removed inadvertedly"
[ This also effectively undoes the amd_check_microcode() microcode
declaration change I had done in my microcode loader merge in commit
42a7f6e3ffe0 ("Merge tag 'x86_microcode_for_v6.6_rc1' [...]").
I picked the declaration change by Arnd from this branch instead,
which put it in <asm/processor.h> instead of <asm/microcode.h> like I
had done in my merge resolution - Linus ]
* tag 'x86-cleanups-2023-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/platform/uv: Refactor code using deprecated strncpy() interface to use strscpy()
x86/hpet: Refactor code using deprecated strncpy() interface to use strscpy()
x86/platform/uv: Refactor code using deprecated strcpy()/strncpy() interfaces to use strscpy()
x86/qspinlock-paravirt: Fix missing-prototype warning
x86/paravirt: Silence unused native_pv_lock_init() function warning
x86/alternative: Add a __alt_reloc_selftest() prototype
x86/purgatory: Include header for warn() declaration
x86/asm: Avoid unneeded __div64_32 function definition
Revert "sched/fair: Move unused stub functions to header"
x86/apic: Hide unused safe_smp_processor_id() on 32-bit UP
x86/cpu: Fix amd_check_microcode() declaration
- The biggest change is introduction of a new iteration of the
SCHED_FAIR interactivity code: the EEVDF ("Earliest Eligible Virtual
Deadline First") scheduler.
EEVDF too is a virtual-time scheduler, with two parameters (weight
and relative deadline), compared to CFS that had weight only.
It completely reworks the base scheduler: placement, preemption,
picking -- everything.
LWN.net, as usual, has a terrific writeup about EEVDF:
https://lwn.net/Articles/925371/
Preemption (both tick and wakeup) is driven by testing against
a fresh pick. Because the tree is now effectively an interval
tree, and the selection is no longer the 'leftmost' task,
over-scheduling is less of a problem. A lot of the CFS
heuristics are removed or replaced by more natural latency-space
parameters & constructs.
In terms of expected performance regressions: we'll and can fix
everything where a 'good' workload misbehaves with the new scheduler,
but EEVDF inevitably changes workload scheduling in a binary fashion,
hopefully for the better in the overwhelming majority of cases,
but in some cases it won't, especially in adversarial loads that
got lucky with the previous code, such as some variants of hackbench.
We are trying hard to err on the side of fixing all performance
regressions, but we expect some inevitable post-release iterations
of that process.
- Improve load-balancing on hybrid x86 systems: enable cluster
scheduling (again).
- Improve & fix bandwidth-scheduling on nohz systems.
- Improve bandwidth-throttling.
- Use lock guards to simplify and de-goto-ify control flow.
- Misc improvements, cleanups and fixes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-core-2023-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar:
- The biggest change is introduction of a new iteration of the
SCHED_FAIR interactivity code: the EEVDF ("Earliest Eligible Virtual
Deadline First") scheduler
EEVDF too is a virtual-time scheduler, with two parameters (weight
and relative deadline), compared to CFS that had weight only. It
completely reworks the base scheduler: placement, preemption, picking
-- everything
LWN.net, as usual, has a terrific writeup about EEVDF:
https://lwn.net/Articles/925371/
Preemption (both tick and wakeup) is driven by testing against a
fresh pick. Because the tree is now effectively an interval tree, and
the selection is no longer the 'leftmost' task, over-scheduling is
less of a problem. A lot of the CFS heuristics are removed or
replaced by more natural latency-space parameters & constructs
In terms of expected performance regressions: we will and can fix
everything where a 'good' workload misbehaves with the new scheduler,
but EEVDF inevitably changes workload scheduling in a binary fashion,
hopefully for the better in the overwhelming majority of cases, but
in some cases it won't, especially in adversarial loads that got
lucky with the previous code, such as some variants of hackbench. We
are trying hard to err on the side of fixing all performance
regressions, but we expect some inevitable post-release iterations of
that process
- Improve load-balancing on hybrid x86 systems: enable cluster
scheduling (again)
- Improve & fix bandwidth-scheduling on nohz systems
- Improve bandwidth-throttling
- Use lock guards to simplify and de-goto-ify control flow
- Misc improvements, cleanups and fixes
* tag 'sched-core-2023-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (43 commits)
sched/eevdf/doc: Modify the documented knob to base_slice_ns as well
sched/eevdf: Curb wakeup-preemption
sched: Simplify sched_core_cpu_{starting,deactivate}()
sched: Simplify try_steal_cookie()
sched: Simplify sched_tick_remote()
sched: Simplify sched_exec()
sched: Simplify ttwu()
sched: Simplify wake_up_if_idle()
sched: Simplify: migrate_swap_stop()
sched: Simplify sysctl_sched_uclamp_handler()
sched: Simplify get_nohz_timer_target()
sched/rt: sysctl_sched_rr_timeslice show default timeslice after reset
sched/rt: Fix sysctl_sched_rr_timeslice intial value
sched/fair: Block nohz tick_stop when cfs bandwidth in use
sched, cgroup: Restore meaning to hierarchical_quota
MAINTAINERS: Add Peter explicitly to the psi section
sched/psi: Select KERNFS as needed
sched/topology: Align group flags when removing degenerate domain
sched/fair: remove util_est boosting
sched/fair: Propagate enqueue flags into place_entity()
...
facilities for lock guards.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'locking-core-2023-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking update from Ingo Molnar:
"Simplify the locking self-tests via using the new <linux/cleanup.h>
facilities for lock guards"
* tag 'locking-core-2023-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
lockdep/selftests: Use SBRM APIs for wait context tests
- one bugfix for x86 mixed mode that did not make it into v6.5
- first pass of cleanup for the EFI runtime wrappers
- some cosmetic touchups
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Merge tag 'efi-next-for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI updates from Ard Biesheuvel:
"This primarily covers some cleanup work on the EFI runtime wrappers,
which are shared between all EFI architectures except Itanium, and
which provide some level of isolation to prevent faults occurring in
the firmware code (which runs at the same privilege level as the
kernel) from bringing down the system.
Beyond that, there is a fix that did not make it into v6.5, and some
doc fixes and dead code cleanup.
- one bugfix for x86 mixed mode that did not make it into v6.5
- first pass of cleanup for the EFI runtime wrappers
- some cosmetic touchups"
* tag 'efi-next-for-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
x86/efistub: Fix PCI ROM preservation in mixed mode
efi/runtime-wrappers: Clean up white space and add __init annotation
acpi/prmt: Use EFI runtime sandbox to invoke PRM handlers
efi/runtime-wrappers: Don't duplicate setup/teardown code
efi/runtime-wrappers: Remove duplicated macro for service returning void
efi/runtime-wrapper: Move workqueue manipulation out of line
efi/runtime-wrappers: Use type safe encapsulation of call arguments
efi/riscv: Move EFI runtime call setup/teardown helpers out of line
efi/arm64: Move EFI runtime call setup/teardown helpers out of line
efi/riscv: libstub: Fix comment about absolute relocation
efi: memmap: Remove kernel-doc warnings
efi: Remove unused extern declaration efi_lookup_mapped_addr()
working on. This part makes the loader core code as it is practically
enabled on pretty much every baremetal machine so there's no need to
have the Kconfig items. In addition, there are cleanups which prepare
for future feature enablement.
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Merge tag 'x86_microcode_for_v6.6_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 microcode loading updates from Borislav Petkov:
"The first, cleanup part of the microcode loader reorg tglx has been
working on. The other part wasn't fully ready in time so it will
follow on later.
This part makes the loader core code as it is practically enabled on
pretty much every baremetal machine so there's no need to have the
Kconfig items.
In addition, there are cleanups which prepare for future feature
enablement"
* tag 'x86_microcode_for_v6.6_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/microcode: Remove remaining references to CONFIG_MICROCODE_AMD
x86/microcode/intel: Remove pointless mutex
x86/microcode/intel: Remove debug code
x86/microcode: Move core specific defines to local header
x86/microcode/intel: Rename get_datasize() since its used externally
x86/microcode: Make reload_early_microcode() static
x86/microcode: Include vendor headers into microcode.h
x86/microcode/intel: Move microcode functions out of cpu/intel.c
x86/microcode: Hide the config knob
x86/mm: Remove unused microcode.h include
x86/microcode: Remove microcode_mutex
x86/microcode/AMD: Rip out static buffers
range whose SEV encryption status needs to change, is not page aligned
so that callers which round up the number of pages to be decrypted,
would mark a trailing page as decrypted and thus cause corruption
during live migration.
- Return an error from the #VC handler on AMD SEV-* guests when the debug
registers swapping is enabled as a DR7 access should not happen then
- that register is guest/host switched.
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Merge tag 'x86_sev_for_v6.6_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 SEV updates from Borislav Petkov:
- Handle the case where the beginning virtual address of the address
range whose SEV encryption status needs to change, is not page
aligned so that callers which round up the number of pages to be
decrypted, would mark a trailing page as decrypted and thus cause
corruption during live migration.
- Return an error from the #VC handler on AMD SEV-* guests when the
debug registers swapping is enabled as a DR7 access should not happen
then - that register is guest/host switched.
* tag 'x86_sev_for_v6.6_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/sev: Make enc_dec_hypercall() accept a size instead of npages
x86/sev: Do not handle #VC for DR7 read/write
consumption MCEs are not delivered synchronously but still within the
same context, which can lead to erroneously increased error severity
and unneeded kernel panics
- Do not log errors caught by polling shared MCA banks as they
materialize as duplicated error records otherwise
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Merge tag 'ras_core_for_v6.6_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 RAS updates from Borislav Petkov:
- Add a quirk for AMD Zen machines where Instruction Fetch unit poison
consumption MCEs are not delivered synchronously but still within the
same context, which can lead to erroneously increased error severity
and unneeded kernel panics
- Do not log errors caught by polling shared MCA banks as they
materialize as duplicated error records otherwise
* tag 'ras_core_for_v6.6_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/MCE: Always save CS register on AMD Zen IF Poison errors
x86/mce: Prevent duplicate error records
the respective drivers
- Update HPE Superdome Flex maintainers list
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Merge tag 'x86_misc_for_v6.6_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc x86 updates from Borislav Petkov:
- Add PCI device IDs for a new AMD family 0x1a CPUs and use them in the
respective drivers
- Update HPE Superdome Flex maintainers list
* tag 'x86_misc_for_v6.6_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/uv: Update HPE Superdome Flex Maintainers
EDAC/amd64: Add support for AMD family 1Ah models 00h-1Fh and 40h-4Fh
hwmon: (k10temp) Add thermal support for AMD Family 1Ah-based models
x86/amd_nb: Add PCI IDs for AMD Family 1Ah-based models
This is mandated by the current tightening of EFI executables
requirements when used in a secure boot scenario. More specifically,
an EFI executable cannot have a single section with RWX permissions,
which conflicts with the in-place kernel decompression that is done
today. Instead, the things required by the booting kernel image are
done in the EFI stub now. Work by Ard Biesheuvel.
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Merge tag 'x86_boot_for_v6.6_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 boot updates from Borislav Petkov:
"Avoid the baremetal decompressor code when booting on an EFI machine.
This is mandated by the current tightening of EFI executables
requirements when used in a secure boot scenario. More specifically,
an EFI executable cannot have a single section with RWX permissions,
which conflicts with the in-place kernel decompression that is done
today.
Instead, the things required by the booting kernel image are done in
the EFI stub now.
Work by Ard Biesheuvel"
* tag 'x86_boot_for_v6.6_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (23 commits)
x86/efistub: Avoid legacy decompressor when doing EFI boot
x86/efistub: Perform SNP feature test while running in the firmware
efi/libstub: Add limit argument to efi_random_alloc()
x86/decompressor: Factor out kernel decompression and relocation
x86/decompressor: Move global symbol references to C code
decompress: Use 8 byte alignment
x86/efistub: Prefer EFI memory attributes protocol over DXE services
x86/efistub: Perform 4/5 level paging switch from the stub
x86/decompressor: Merge trampoline cleanup with switching code
x86/decompressor: Pass pgtable address to trampoline directly
x86/decompressor: Only call the trampoline when changing paging levels
x86/decompressor: Call trampoline directly from C code
x86/decompressor: Avoid the need for a stack in the 32-bit trampoline
x86/decompressor: Use standard calling convention for trampoline
x86/decompressor: Call trampoline as a normal function
x86/decompressor: Assign paging related global variables earlier
x86/decompressor: Store boot_params pointer in callee save register
x86/efistub: Clear BSS in EFI handover protocol entrypoint
x86/decompressor: Avoid magic offsets for EFI handover entrypoint
x86/efistub: Simplify and clean up handover entry code
...
- Support partial SMT enablement.
So far the sysfs SMT control only allows to toggle between SMT on and
off. That's sufficient for x86 which usually has at max two threads
except for the Xeon PHI platform which has four threads per core.
Though PowerPC has up to 16 threads per core and so far it's only
possible to control the number of enabled threads per core via a
command line option. There is some way to control this at runtime, but
that lacks enforcement and the usability is awkward.
This update expands the sysfs interface and the core infrastructure to
accept numerical values so PowerPC can build SMT runtime control for
partial SMT enablement on top.
The core support has also been provided to the PowerPC maintainers who
added the PowerPC related changes on top.
- Minor cleanups and documentation updates.
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Merge tag 'smp-core-2023-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull CPU hotplug updates from Thomas Gleixner:
"Updates for the CPU hotplug core:
- Support partial SMT enablement.
So far the sysfs SMT control only allows to toggle between SMT on
and off. That's sufficient for x86 which usually has at max two
threads except for the Xeon PHI platform which has four threads per
core
Though PowerPC has up to 16 threads per core and so far it's only
possible to control the number of enabled threads per core via a
command line option. There is some way to control this at runtime,
but that lacks enforcement and the usability is awkward
This update expands the sysfs interface and the core infrastructure
to accept numerical values so PowerPC can build SMT runtime control
for partial SMT enablement on top
The core support has also been provided to the PowerPC maintainers
who added the PowerPC related changes on top
- Minor cleanups and documentation updates"
* tag 'smp-core-2023-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
Documentation: core-api/cpuhotplug: Fix state names
cpu/hotplug: Remove unused function declaration cpu_set_state_online()
cpu/SMT: Fix cpu_smt_possible() comment
cpu/SMT: Allow enabling partial SMT states via sysfs
cpu/SMT: Create topology_smt_thread_allowed()
cpu/SMT: Remove topology_smt_supported()
cpu/SMT: Store the current/max number of threads
cpu/SMT: Move smt/control simple exit cases earlier
cpu/SMT: Move SMT prototypes into cpu_smt.h
cpu/hotplug: Remove dependancy against cpu_primary_thread_mask
Core:
- Prevent a deadlock of nested interrupt threads vs.
synchronize_hard()
- Removal of a stale extern declaration
Drivers:
- The first new driver since v6.2 for Amlogic-C3 SoCs
- The usual small fixes, cleanups and improvements all over
the place
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Merge tag 'irq-core-2023-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
"Boring updates for the interrupt subsystem:
Core:
- Prevent a deadlock of nested interrupt threads vs.
synchronize_hard()
- Removal of a stale extern declaration
Drivers:
- The first new driver since v6.2 for Amlogic-C3 SoCs
- The usual small fixes, cleanups and improvements all over the
place"
* tag 'irq-core-2023-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip: Add support for Amlogic-C3 SoCs
dt-bindings: interrupt-controller: Add support for Amlogic-C3 SoCs
irqchip/irq-mvebu-sei: Use devm_platform_get_and_ioremap_resource()
irqchip/ls-scfg-msi: Use devm_platform_get_and_ioremap_resource()
irqchip: Explicitly include correct DT includes
irqchip/orion: Use of_address_count() helper
irqchip/irq-pruss-intc: Do not check for 0 return after calling platform_get_irq()
irqchip/imx-mu-msi: Do not check for 0 return after calling platform_get_irq()
irqchipr/i8259: Mark i8259_of_init() static
irqchip/mips-gic: Mark gic_irq_domain_free() static
irqchip/xtensa-pic: Include header for xtensa_pic_init_legacy()
irqchip/loongson-eiointc: Fix return value checking of eiointc_index
genirq: Remove unused extern declaration
genirq: Prevent nested thread vs synchronize_hardirq() deadlock
address limit check which is a leftover of the removed TIF_FSCHECK.
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Merge tag 'core-entry-2023-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core entry code update from Thomas Gleixner:
"A single update to the core entry code, which removes the empty user
address limit check which is a leftover of the removed TIF_FSCHECK"
* tag 'core-entry-2023-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
entry: Remove empty addr_limit_user_check()
This pull reqeust contains the following:
o Handle negative skews in "skew is too large" messages.
o Extend watchdog check exemption to 4-Socket platforms
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Merge tag 'clocksource.2023.08.15a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull clocksource watchdog updates from Paul McKenney:
- Handle negative skews in "skew is too large" messages
- Extend watchdog check exemption to 4-Socket platforms
* tag 'clocksource.2023.08.15a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu:
x86/tsc: Extend watchdog check exemption to 4-Sockets platform
clocksource: Handle negative skews in "skew is too large" messages
This series reduces the number of stack traces dumped during CSD-lock
debugging. This helps to avoid console overrun on systems with large
numbers of CPUs.
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Merge tag 'csd-lock.2023.07.15a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull CSD lock updates from Paul McKenney:
"This series reduces the number of stack traces dumped during CSD-lock
debugging. This helps to avoid console overrun on systems with large
numbers of CPUs"
* tag 'csd-lock.2023.07.15a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu:
smp: Reduce NMI traffic from CSD waiters to CSD destination
smp: Reduce logging due to dump_stack of CSD waiters
This pull request prevents some memory-exhaustion false-postitive failures
in scftorture testing.
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Merge tag 'scftorture.2023.08.15a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull smp_call_function torture-test updates from Paul McKenney:
"This prevents some memory-exhaustion false-postitive failures in
scftorture testing"
* tag 'scftorture.2023.08.15a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu:
scftorture: Add CONFIG_PREEMPT_DYNAMIC=n to NOPREEMPT scenario
scftorture: Pause testing after memory-allocation failure
scftorture: Forgive memory-allocation failure if KASAN
torture: Scale scftorture memory based on number of CPUs
doc.2023.07.14b: Documentation updates.
fixes.2023.08.16a: Miscellaneous fixes, perhaps most notably simplifying
SRCU_NOTIFIER_INIT() as suggested.
rcu-tasks.2023.07.24a: RCU Tasks updates, most notably treating
Tasks RCU callbacks as lazy while still treating synchronous
grace periods as urgent. Also fixes one bug that restores the
ability to apply debug-objects to RCU Tasks and another that
fixes a race condition that could result in false-positive
failures of the boot-time self-test code.
rcuscale.2023.07.14b: RCU-scalability performance-test updates,
most notably adding the ability to measure the RCU-Tasks's
grace-period kthread's CPU consumption. This proved
quite useful for the rcu-tasks.2023.07.24a work.
refscale.2023.07.14b: Reference-acquisition/release performance-test
updates, including a fix for an uninitialized wait_queue_head_t.
torture.2023.08.14a: Miscellaneous torture-test updates.
torturescripts.2023.07.20a: Torture-test scripting updates, including
removal of the non-longer-functional formal-verification scripts,
test builds of individual RCU Tasks flavors, better diagnostics
for loss of connectivity for distributed rcutorture tests,
disabling of reboot loops in qemu/KVM-based rcutorture testing,
and passing of init parameters to rcutorture's init program.
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Merge tag 'rcu.2023.08.21a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull RCU updates from Paul McKenney:
- Documentation updates
- Miscellaneous fixes, perhaps most notably simplifying
SRCU_NOTIFIER_INIT() as suggested
- RCU Tasks updates, most notably treating Tasks RCU callbacks as lazy
while still treating synchronous grace periods as urgent. Also fixes
one bug that restores the ability to apply debug-objects to RCU Tasks
and another that fixes a race condition that could result in
false-positive failures of the boot-time self-test code
- RCU-scalability performance-test updates, most notably adding the
ability to measure the RCU-Tasks's grace-period kthread's CPU
consumption. This proved quite useful for the RCU Tasks work
- Reference-acquisition/release performance-test updates, including a
fix for an uninitialized wait_queue_head_t
- Miscellaneous torture-test updates
- Torture-test scripting updates, including removal of the
non-longer-functional formal-verification scripts, test builds of
individual RCU Tasks flavors, better diagnostics for loss of
connectivity for distributed rcutorture tests, disabling of reboot
loops in qemu/KVM-based rcutorture testing, and passing of init
parameters to rcutorture's init program
* tag 'rcu.2023.08.21a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (64 commits)
rcu: Use WRITE_ONCE() for assignments to ->next for rculist_nulls
rcu: Make the rcu_nocb_poll boot parameter usable via boot config
rcu: Mark __rcu_irq_enter_check_tick() ->rcu_urgent_qs load
srcu,notifier: Remove #ifdefs in favor of SRCU Tiny srcu_usage
rcutorture: Stop right-shifting torture_random() return values
torture: Stop right-shifting torture_random() return values
torture: Move stutter_wait() timeouts to hrtimers
torture: Move torture_shuffle() timeouts to hrtimers
torture: Move torture_onoff() timeouts to hrtimers
torture: Make torture_hrtimeout_*() use TASK_IDLE
torture: Add lock_torture writer_fifo module parameter
torture: Add a kthread-creation callback to _torture_create_kthread()
rcu-tasks: Fix boot-time RCU tasks debug-only deadlock
rcu-tasks: Permit use of debug-objects with RCU Tasks flavors
checkpatch: Complain about unexpected uses of RCU Tasks Trace
torture: Cause mkinitrd.sh to indicate failure on compile errors
torture: Make init program dump command-line arguments
torture: Switch qemu from -nographic to -display none
torture: Add init-program support for loongarch
torture: Avoid torture-test reboot loops
...
- Carve out the new CONFIG_LIST_HARDENED as a more focused subset of
CONFIG_DEBUG_LIST (Marco Elver).
- Fix kallsyms lookup failure under Clang LTO (Yonghong Song).
- Clarify documentation for CONFIG_UBSAN_TRAP (Jann Horn).
- Flexible array member conversion not carried in other tree (Gustavo
A. R. Silva).
- Various strlcpy() and strncpy() removals not carried in other trees
(Azeem Shaikh, Justin Stitt).
- Convert nsproxy.count to refcount_t (Elena Reshetova).
- Add handful of __counted_by annotations not carried in other trees,
as well as an LKDTM test.
- Fix build failure with gcc-plugins on GCC 14+.
- Fix selftests to respect SKIP for signal-delivery tests.
- Fix CFI warning for paravirt callback prototype.
- Clarify documentation for seq_show_option_n() usage.
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Merge tag 'hardening-v6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull hardening updates from Kees Cook:
"As has become normal, changes are scattered around the tree (either
explicitly maintainer Acked or for trivial stuff that went ignored):
- Carve out the new CONFIG_LIST_HARDENED as a more focused subset of
CONFIG_DEBUG_LIST (Marco Elver)
- Fix kallsyms lookup failure under Clang LTO (Yonghong Song)
- Clarify documentation for CONFIG_UBSAN_TRAP (Jann Horn)
- Flexible array member conversion not carried in other tree (Gustavo
A. R. Silva)
- Various strlcpy() and strncpy() removals not carried in other trees
(Azeem Shaikh, Justin Stitt)
- Convert nsproxy.count to refcount_t (Elena Reshetova)
- Add handful of __counted_by annotations not carried in other trees,
as well as an LKDTM test
- Fix build failure with gcc-plugins on GCC 14+
- Fix selftests to respect SKIP for signal-delivery tests
- Fix CFI warning for paravirt callback prototype
- Clarify documentation for seq_show_option_n() usage"
* tag 'hardening-v6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: (23 commits)
LoadPin: Annotate struct dm_verity_loadpin_trusted_root_digest with __counted_by
kallsyms: Change func signature for cleanup_symbol_name()
kallsyms: Fix kallsyms_selftest failure
nsproxy: Convert nsproxy.count to refcount_t
integrity: Annotate struct ima_rule_opt_list with __counted_by
lkdtm: Add FAM_BOUNDS test for __counted_by
Compiler Attributes: counted_by: Adjust name and identifier expansion
um: refactor deprecated strncpy to memcpy
um: vector: refactor deprecated strncpy
alpha: Replace one-element array with flexible-array member
hardening: Move BUG_ON_DATA_CORRUPTION to hardening options
list: Introduce CONFIG_LIST_HARDENED
list_debug: Introduce inline wrappers for debug checks
compiler_types: Introduce the Clang __preserve_most function attribute
gcc-plugins: Rename last_stmt() for GCC 14+
selftests/harness: Actually report SKIP for signal tests
x86/paravirt: Fix tlb_remove_table function callback prototype warning
EISA: Replace all non-returning strlcpy with strscpy
perf: Replace strlcpy with strscpy
um: Remove strlcpy declaration
...
Clarify the difference between "interface" and "phy_interface" in
struct plat_stmmacenet_data, both by adding a comment, and also
renaming "interface" to be "mac_interface". The difference between
these are:
MAC ----- optional PCS ----- SerDes ----- optional PHY ----- Media
^ ^
mac_interface phy_interface
Note that phylink currently only deals with phy_interface.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://lore.kernel.org/r/E1qZq83-005tts-6K@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The D-Link DUB-E250 is an RTL8156 based 2.5G Ethernet controller.
Add the vendor and product ID values to the driver. This makes Ethernet
work with the adapter.
Signed-off-by: Antonio Napolitano <anton@polit.no>
Link: https://lore.kernel.org/r/CV200KJEEUPC.WPKAHXCQJ05I@mercurius
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- Provide USER_NOTIFY flag for synchronous mode (Andrei Vagin, Peter
Oskolkov). This touches the scheduler and perf but has been Acked by
Peter Zijlstra.
- Fix regression in syscall skipping and restart tracing on arm32.
This touches arch/arm/ but has been Acked by Arnd Bergmann.
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Merge tag 'seccomp-v6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull seccomp updates from Kees Cook:
- Provide USER_NOTIFY flag for synchronous mode (Andrei Vagin, Peter
Oskolkov). This touches the scheduler and perf but has been Acked by
Peter Zijlstra.
- Fix regression in syscall skipping and restart tracing on arm32. This
touches arch/arm/ but has been Acked by Arnd Bergmann.
* tag 'seccomp-v6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
seccomp: Add missing kerndoc notations
ARM: ptrace: Restore syscall skipping for tracers
ARM: ptrace: Restore syscall restart tracing
selftests/seccomp: Handle arm32 corner cases better
perf/benchmark: add a new benchmark for seccom_unotify
selftest/seccomp: add a new test for the sync mode of seccomp_user_notify
seccomp: add the synchronous mode for seccomp_unotify
sched: add a few helpers to wake up tasks on the current cpu
sched: add WF_CURRENT_CPU and externise ttwu
seccomp: don't use semaphore and wait_queue together
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Merge tag 'for-6.6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"No new features, the bulk of the changes are fixes, refactoring and
cleanups. The notable fix is the scrub performance restoration after
rewrite in 6.4, though still only partial.
Fixes:
- scrub performance drop due to rewrite in 6.4 partially restored:
- do IO grouping by blg_plug/blk_unplug again
- avoid unnecessary tree searches when processing stripes, in
extent and checksum trees
- the drop is noticeable on fast PCIe devices, -66% and restored
to -33% of the original
- backports to 6.4 planned
- handle more corner cases of transaction commit during orphan
cleanup or delayed ref processing
- use correct fsid/metadata_uuid when validating super block
- copy directory permissions and time when creating a stub subvolume
Core:
- debugging feature integrity checker deprecated, to be removed in
6.7
- in zoned mode, zones are activated just before the write, making
error handling easier, now the overcommit mechanism can be enabled
again which improves performance by avoiding more frequent flushing
- v0 extent handling completely removed, deprecated long time ago
- error handling improvements
- tests:
- extent buffer bitmap tests
- pinned extent splitting tests
- cleanups and refactoring:
- compression writeback
- extent buffer bitmap
- space flushing, ENOSPC handling"
* tag 'for-6.6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (110 commits)
btrfs: zoned: skip splitting and logical rewriting on pre-alloc write
btrfs: tests: test invalid splitting when skipping pinned drop extent_map
btrfs: tests: add a test for btrfs_add_extent_mapping
btrfs: tests: add extent_map tests for dropping with odd layouts
btrfs: scrub: move write back of repaired sectors to scrub_stripe_read_repair_worker()
btrfs: scrub: don't go ordered workqueue for dev-replace
btrfs: scrub: fix grouping of read IO
btrfs: scrub: avoid unnecessary csum tree search preparing stripes
btrfs: scrub: avoid unnecessary extent tree search preparing stripes
btrfs: copy dir permission and time when creating a stub subvolume
btrfs: remove pointless empty list check when reading delayed dir indexes
btrfs: drop redundant check to use fs_devices::metadata_uuid
btrfs: compare the correct fsid/metadata_uuid in btrfs_validate_super
btrfs: use the correct superblock to compare fsid in btrfs_validate_super
btrfs: simplify memcpy either of metadata_uuid or fsid
btrfs: add a helper to read the superblock metadata_uuid
btrfs: remove v0 extent handling
btrfs: output extra debug info if we failed to find an inline backref
btrfs: move the !zoned assert into run_delalloc_cow
btrfs: consolidate the error handling in run_delalloc_nocow
...
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Merge tag 'affs-for-6.6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull affs updates from David Sterba:
"Two minor updates for AFFS:
- reimplement writepage() address space callback on top of
migrate_folio()
- fix a build warning, local parameters 'toupper' collide with the
standard ctype.h name"
* tag 'affs-for-6.6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
affs: rename local toupper() to fn() to avoid confusion
affs: remove writepage implementation
Several cleanups for fs/verity/, including two commits that make the
builtin signature support more cleanly separated from the base feature.
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Merge tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fsverity/linux
Pull fsverity updates from Eric Biggers:
"Several cleanups for fs/verity/, including two commits that make the
builtin signature support more cleanly separated from the base
feature"
* tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fsverity/linux:
fsverity: skip PKCS#7 parser when keyring is empty
fsverity: move sysctl registration out of signature.c
fsverity: simplify handling of errors during initcall
fsverity: explicitly check that there is no algorithm 0
Just a small documentation improvement.
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Merge tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/linux
Pull fscrypt update from Eric Biggers:
"Just a small documentation improvement"
* tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/linux:
fscrypt: improve the "Encryption modes and usage" section
* Make large writes to the page cache fill sparse parts of the cache
with large folios, then use large memcpy calls for the large folio.
* Track the per-block dirty state of each large folio so that a
buffered write to a single byte on a large folio does not result in a
(potentially) multi-megabyte writeback IO.
* Allow some directio completions to be performed in the initiating
task's context instead of punting through a workqueue. This will
reduce latency for some io_uring requests.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Merge tag 'iomap-6.6-merge-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull iomap updates from Darrick Wong:
"We've got some big changes for this release -- I'm very happy to be
landing willy's work to enable large folios for the page cache for
general read and write IOs when the fs can make contiguous space
allocations, and Ritesh's work to track sub-folio dirty state to
eliminate the write amplification problems inherent in using large
folios.
As a bonus, io_uring can now process write completions in the caller's
context instead of bouncing through a workqueue, which should reduce
io latency dramatically. IOWs, XFS should see a nice performance bump
for both IO paths.
Summary:
- Make large writes to the page cache fill sparse parts of the cache
with large folios, then use large memcpy calls for the large folio.
- Track the per-block dirty state of each large folio so that a
buffered write to a single byte on a large folio does not result in
a (potentially) multi-megabyte writeback IO.
- Allow some directio completions to be performed in the initiating
task's context instead of punting through a workqueue. This will
reduce latency for some io_uring requests"
* tag 'iomap-6.6-merge-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (26 commits)
iomap: support IOCB_DIO_CALLER_COMP
io_uring/rw: add write support for IOCB_DIO_CALLER_COMP
fs: add IOCB flags related to passing back dio completions
iomap: add IOMAP_DIO_INLINE_COMP
iomap: only set iocb->private for polled bio
iomap: treat a write through cache the same as FUA
iomap: use an unsigned type for IOMAP_DIO_* defines
iomap: cleanup up iomap_dio_bio_end_io()
iomap: Add per-block dirty state tracking to improve performance
iomap: Allocate ifs in ->write_begin() early
iomap: Refactor iomap_write_delalloc_punch() function out
iomap: Use iomap_punch_t typedef
iomap: Fix possible overflow condition in iomap_write_delalloc_scan
iomap: Add some uptodate state handling helpers for ifs state bitmap
iomap: Drop ifs argument from iomap_set_range_uptodate()
iomap: Rename iomap_page to iomap_folio_state and others
iomap: Copy larger chunks from userspace
iomap: Create large folios in the buffered write path
filemap: Allow __filemap_get_folio to allocate large folios
filemap: Add fgf_t typedef
...
- Support xattr bloom filter to optimize negative xattr lookups;
- Support DEFLATE compression algorithm as an alternative;
- Fix a regression that ztailpacking pclusters don't release properly;
- Avoid warning dedupe and fragments features anymore;
- Some folio conversions and cleanups.
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Merge tag 'erofs-for-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
Pull erofs updates from Gao Xiang:
"In this cycle, a xattr bloom filter feature is introduced to speed up
negative xattr lookups, which was originally suggested by Alexander
for Composefs use cases.
Additionally, the DEFLATE algorithm is now supported, which can be
used together with hardware accelerators for our cloud workloads. Each
supported compression algorithm can be selected on a per-file basis
for specific access patterns too.
There are also some random fixes and cleanups as usual:
- Support xattr bloom filter to optimize negative xattr lookups
- Support DEFLATE compression algorithm as an alternative
- Fix a regression that ztailpacking pclusters don't release properly
- Avoid warning dedupe and fragments features anymore
- Some folio conversions and cleanups"
* tag 'erofs-for-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
erofs: release ztailpacking pclusters properly
erofs: don't warn dedupe and fragments features anymore
erofs: adapt folios for z_erofs_read_folio()
erofs: adapt folios for z_erofs_readahead()
erofs: get rid of fe->backmost for cache decompression
erofs: drop z_erofs_page_mark_eio()
erofs: tidy up z_erofs_do_read_page()
erofs: move preparation logic into z_erofs_pcluster_begin()
erofs: avoid obsolete {collector,collection} terms
erofs: simplify z_erofs_read_fragment()
erofs: remove redundant erofs_fs_type declaration in super.c
erofs: add necessary kmem_cache_create flags for erofs inode cache
erofs: clean up redundant comment and adjust code alignment
erofs: refine warning messages for zdata I/Os
erofs: boost negative xattr lookup with bloom filter
erofs: update on-disk format for xattr name filter
erofs: DEFLATE compression support
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Merge tag 'filelock-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux
Pull file locking updates from Jeff Layton:
- new functionality for F_OFD_GETLK: requesting a type of F_UNLCK will
find info about whatever lock happens to be first in the given range,
regardless of type.
- an OFD lock selftest
- bugfix involving a UAF in a tracepoint
- comment typo fix
* tag 'filelock-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux:
locks: fix KASAN: use-after-free in trace_event_raw_event_filelock_lock
fs/locks: Fix typo
selftests: add OFD lock tests
fs/locks: F_UNLCK extension for F_OFD_GETLK
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Merge tag 'v6.6-fs.proc.uapi' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull procfs fixes from Christian Brauner:
"Mode changes to files under /proc/<pid>/ aren't supported ever since
commit 6d76fa58b050 ("Don't allow chmod() on the /proc/<pid>/ files").
Due to an oversight in commit 1b3044e39a89 ("procfs: fix pthread
cross-thread naming if !PR_DUMPABLE") in switching from REG to NOD,
mode changes on /proc/thread-self/comm were accidently allowed.
Similar, mode changes for all files beneath /proc/<pid>/net/ are
blocked but mode changes on /proc/<pid>/net itself were accidently
allowed.
Both issues come down to not using the generic proc_setattr() helper
which blocks all mode changes. This is rectified with this pull
request.
This also removes a strange nolibc test that abused /proc/<pid>/net
for testing mode changes. Using procfs for this test never made a lot
of sense given procfs has special semantics for almost everything
anway.
Both changes are minor user-visible changes. It is however very
unlikely that mode changes on proc/<pid>/net and
/proc/thread-self/comm are something that userspace relies on"
* tag 'v6.6-fs.proc.uapi' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
procfs: block chmod on /proc/thread-self/comm
proc: use generic setattr() for /proc/$PID/net
selftests/nolibc: drop test chmod_net
Linus Torvalds
Paolo Abeni
Lorenzo Bianconi
Russell King (Oracle)
Antonio Napolitano