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the usage patterns are becoming apparent
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Merge tag 'x86_sev_for_v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 SEV updates from Borislav Petkov:
- Some SEV and CC platform helpers cleanup and simplifications now that
the usage patterns are becoming apparent
[ I'm sure I'm the only one that has gets confused by all the TLAs, but
in case there are others: here SEV is AMD's "Secure Encrypted
Virtualization" and CC is generic "Confidential Computing".
There's also Intel SGX (Software Guard Extensions) and TDX (Trust
Domain Extensions), along with all the vendor memory encryption
extensions (SME, TSME, TME, and WTF).
And then we have arm64 with RMA and CCA, and I probably forgot another
dozen or so related acronyms - Linus ]
* tag 'x86_sev_for_v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/coco: Get rid of accessor functions
x86/sev: Get rid of special sev_es_enable_key
x86/coco: Mark cc_platform_has() and descendants noinstr
mechanism in order to look up the memory type of a region easily. Also
address memory range lookup issues like returning an invalid memory
type. Furthermore, this handles the decoupling of PAT from MTRR more
naturally. All work by Juergen Gross
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Merge tag 'x86_mtrr_for_v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 mtrr updates from Borislav Petkov:
"A serious scrubbing of the MTRR code including adding a new map
mechanism in order to look up the memory type of a region easily.
Also address memory range lookup issues like returning an invalid
memory type. Furthermore, this handles the decoupling of PAT from MTRR
more naturally.
All work by Juergen Gross"
* tag 'x86_mtrr_for_v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/xen: Set default memory type for PV guests to WB
x86/mtrr: Unify debugging printing
x86/mtrr: Remove unused code
x86/mm: Only check uniform after calling mtrr_type_lookup()
x86/mtrr: Don't let mtrr_type_lookup() return MTRR_TYPE_INVALID
x86/mtrr: Use new cache_map in mtrr_type_lookup()
x86/mtrr: Add mtrr=debug command line option
x86/mtrr: Construct a memory map with cache modes
x86/mtrr: Add get_effective_type() service function
x86/mtrr: Allocate mtrr_value array dynamically
x86/mtrr: Move 32-bit code from mtrr.c to legacy.c
x86/mtrr: Have only one set_mtrr() variant
x86/mtrr: Replace vendor tests in MTRR code
x86/xen: Set MTRR state when running as Xen PV initial domain
x86/hyperv: Set MTRR state when running as SEV-SNP Hyper-V guest
x86/mtrr: Support setting MTRR state for software defined MTRRs
x86/mtrr: Replace size_or_mask and size_and_mask with a much easier concept
x86/mtrr: Remove physical address size calculation
handling symbols so that tools do not get confused by the presence of
code belonging to the wrong symbol/not belonging to any symbol
- Improve csum_partial()'s performance
- Some improvements to the kcpuid tool
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Merge tag 'x86_misc_for_v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc x86 updates from Borislav Petkov:
- Remove the local symbols prefix of the get/put_user() exception
handling symbols so that tools do not get confused by the presence of
code belonging to the wrong symbol/not belonging to any symbol
- Improve csum_partial()'s performance
- Some improvements to the kcpuid tool
* tag 'x86_misc_for_v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/lib: Make get/put_user() exception handling a visible symbol
x86/csum: Fix clang -Wuninitialized in csum_partial()
x86/csum: Improve performance of `csum_partial`
tools/x86/kcpuid: Add .gitignore
tools/x86/kcpuid: Dump the correct CPUID function in error
the early loading procedure
- Cleanups
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Merge tag 'x86_microcode_for_v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 microcode loader updates from Borislav Petkov:
- Load late on both SMT threads on AMD, just like it is being done in
the early loading procedure
- Cleanups
* tag 'x86_microcode_for_v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/microcode/AMD: Load late on both threads too
x86/microcode/amd: Remove unneeded pointer arithmetic
x86/microcode/AMD: Get rid of __find_equiv_id()
brings some order to the documentation directory, declutters the top-level
directory, and makes the documentation organization more closely match that
of the source.
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Merge tag 'docs-arm-move' of git://git.lwn.net/linux
Pull arm documentation move from Jonathan Corbet:
"Move the Arm architecture documentation under Documentation/arch/.
This brings some order to the documentation directory, declutters the
top-level directory, and makes the documentation organization more
closely match that of the source"
* tag 'docs-arm-move' of git://git.lwn.net/linux:
dt-bindings: Update Documentation/arm references
docs: update some straggling Documentation/arm references
crypto: update some Arm documentation references
mips: update a reference to a moved Arm Document
arm64: Update Documentation/arm references
arm: update in-source documentation references
arm: docs: Move Arm documentation to Documentation/arch/
- Some initial page-table documentation from Linus (the other Linus)
- Regression-handling documentation improvements from Thorsten
- Addition of kerneldoc documentation for the ERR_PTR() and related
macros from James Seo
...and the usual collection of fixes and updates.
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Merge tag 'docs-6.5' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"It's been a relatively calm cycle in docsland. We do have:
- Some initial page-table documentation from Linus (the other Linus)
- Regression-handling documentation improvements from Thorsten
- Addition of kerneldoc documentation for the ERR_PTR() and related
macros from James Seo
... and the usual collection of fixes and updates"
* tag 'docs-6.5' of git://git.lwn.net/linux:
docs: consolidate storage interfaces
Documentation: update git configuration for Link: tag
Documentation: KVM: make corrections to vcpu-requests.rst
Documentation: KVM: make corrections to ppc-pv.rst
Documentation: KVM: make corrections to locking.rst
Documentation: KVM: make corrections to halt-polling.rst
Documentation: virt: correct location of haltpoll module params
Documentation/mm: Initial page table documentation
docs: crypto: async-tx-api: fix typo in struct name
docs/doc-guide: Clarify how to write tables
docs: handling-regressions: rework section about fixing procedures
docs: process: fix a typoed cross-reference
docs: submitting-patches: Discuss interleaved replies
MAINTAINERS: direct process doc changes to a dedicated ML
Documentation: core-api: Add error pointer functions to kernel-api
err.h: Add missing kerneldocs for error pointer functions
Documentation: conf.py: Add __force to c_id_attributes
docs: clarify KVM related kernel parameters' descriptions
docs: consolidate human interface subsystems
docs: admin-guide: Add information about intel_pstate active mode
This kselftest update for Linux 6.5-rc1 consists of:
- change to allow runners to override the timeout
This change is made to avoid future increases of long
timeouts
- several other spelling and cleanups
- a new subtest to video_device_test
- enhancements to test coverage in clone3 test
- other fixes to ftrace and cpufreq tests
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Merge tag 'linux-kselftest-next-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest updates from Shuah Khan:
- allow runners to override the timeout
This change is made to avoid future increases of long timeouts
- several other spelling and cleanups
- a new subtest to video_device_test
- enhancements to test coverage in clone3 test
- other fixes to ftrace and cpufreq tests
* tag 'linux-kselftest-next-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/ftace: Fix KTAP output ordering
selftests/cpufreq: Don't enable generic lock debugging options
kselftests: Sort the collections list to avoid duplicate tests
selftest: pidfd: Omit long and repeating outputs
selftests: allow runners to override the timeout
selftests/ftrace: Add new test case which checks for optimized probes
selftests/clone3: test clone3 with exit signal in flags
kselftest: vDSO: Fix accumulation of uninitialized ret when CLOCK_REALTIME is undefined
selftests: prctl: Fix spelling mistake "anonynous" -> "anonymous"
selftests: media_tests: Add new subtest to video_device_test
This KUnit update for Linux 6.5-rc1 consists of:
- kunit_add_action() API to defer a call until test exit.
- Update document to add kunit_add_action() usage notes.
- Changes to always run cleanup from a test kthread.
- Documentation updates to clarify cleanup usage
- assertions should not be used in cleanup
- Documentation update to clearly indicate that exit
functions should run even if init fails
- Several fixes and enhancements to existing tests.
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Merge tag 'linux-kselftest-kunit-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull KUnit updates from Shuah Khan:
- kunit_add_action() API to defer a call until test exit
- Update document to add kunit_add_action() usage notes
- Changes to always run cleanup from a test kthread
- Documentation updates to clarify cleanup usage (assertions should not
be used in cleanup)
- Documentation update to clearly indicate that exit functions should
run even if init fails
- Several fixes and enhancements to existing tests
* tag 'linux-kselftest-kunit-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
MAINTAINERS: Add source tree entry for kunit
Documentation: kunit: Rename references to kunit_abort()
kunit: Move kunit_abort() call out of kunit_do_failed_assertion()
kunit: Fix obsolete name in documentation headers (func->action)
Documentation: Kunit: add MODULE_LICENSE to sample code
kunit: Update kunit_print_ok_not_ok function
kunit: Fix reporting of the skipped parameterized tests
kunit/test: Add example test showing parameterized testing
Documentation: kunit: Add usage notes for kunit_add_action()
kunit: kmalloc_array: Use kunit_add_action()
kunit: executor_test: Use kunit_add_action()
kunit: Add kunit_add_action() to defer a call until test exit
kunit: example: Provide example exit functions
Documentation: kunit: Warn that exit functions run even if init fails
Documentation: kunit: Note that assertions should not be used in cleanup
kunit: Always run cleanup from a test kthread
Documentation: kunit: Modular tests should not depend on KUNIT=y
kunit: tool: undo type subscripts for subprocess.Popen
o Add stackprotector support.
o Fix RISC-V load-store instruction syntax to support 32-bit
binaries, plus fixes for generic 32-bit support.
o Fix use of s390 sys_fork().
o Add my_syscall6() for ARM.
o Support different platforms having different errno definitions.
o Fix ppoll/ppoll_time64 arguments (add the fifth argument).
o Force use of little endian on MIPS.
o Improved testing, for example, better handling of different
compilers and compiler versions, comparing nolibc behavior
to that of libc, and additional test cases.
o Improve syntax and header ordering.
o Use existing <linux/reboot.h> instead of redefining constants.
o Add syscall().
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Merge tag 'nolibc.2023.06.22a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull nolibc updates from Paul McKenney:
- Add stackprotector support
- Fix RISC-V load-store instruction syntax to support 32-bit binaries,
plus fixes for generic 32-bit support
- Fix use of s390 sys_fork()
- Add my_syscall6() for ARM
- Support different platforms having different errno definitions
- Fix ppoll/ppoll_time64 arguments (add the fifth argument)
- Force use of little endian on MIPS
- Improved testing, for example, better handling of different compilers
and compiler versions, comparing nolibc behavior to that of libc, and
additional test cases
- Improve syntax and header ordering
- Use existing <linux/reboot.h> instead of redefining constants
- Add syscall()
* tag 'nolibc.2023.06.22a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (53 commits)
selftests/nolibc: make sure gcc always use little endian on MIPS
selftests/nolibc: also count skipped and failed tests in output
selftests/nolibc: add new gettimeofday test cases
selftests/nolibc: remove gettimeofday_bad1/2 completely
selftests/nolibc: support two errnos with EXPECT_SYSER2()
tools/nolibc: open: fix up compile warning for arm
tools/nolibc: arm: add missing my_syscall6
selftests/nolibc: use INT_MAX instead of __INT_MAX__
selftests/nolibc: not include limits.h for nolibc
selftests/nolibc: fix up compile warning with glibc on x86_64
selftests/nolibc: allow specify extra arguments for qemu
selftests/nolibc: remove test gettimeofday_null
tools/nolibc: ensure fast64 integer types have 64 bits
selftests/nolibc: test_fork: fix up duplicated print
tools/nolibc: ppoll/ppoll_time64: add a missing argument
selftests/nolibc: remove the duplicated gettimeofday_bad2
selftests/nolibc: print name instead of number for EOVERFLOW
tools/nolibc: support nanoseconds in stat()
selftests/nolibc: prevent coredumps during test execution
tools/nolibc: add support for prctl()
...
Kuniyuki Iwashima says:
====================
af_unix: Followup fixes for SO_PASSPIDFD.
This series fixes 2 issues introduced by commit 5e2ff6704a27 ("scm: add
SO_PASSPIDFD and SCM_PIDFD").
The 1st patch fixes a warning in scm_pidfd_recv() reported by syzkaller.
The 2nd patch fixes a regression that bluetooth can't be built as module.
====================
Link: https://lore.kernel.org/r/20230627174314.67688-1-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Recently, our friends from bluetooth subsystem reported [1] that after
commit 5e2ff6704a27 ("scm: add SO_PASSPIDFD and SCM_PIDFD") scm_recv()
helper become unusable in kernel modules (because it uses unexported
pidfd_prepare() API).
We were aware of this issue and workarounded it in a hard way
by commit 97154bcf4d1b ("af_unix: Kconfig: make CONFIG_UNIX bool").
But recently a new functionality was added in the scope of commit
817efd3cad74 ("Bluetooth: hci_sock: Forward credentials to monitor")
and after that bluetooth can't be compiled as a kernel module.
After some discussion in [1] we decided to split scm_recv() into
two helpers, one won't support SCM_PIDFD (used for unix sockets),
and another one will be completely the same as it was before commit
5e2ff6704a27 ("scm: add SO_PASSPIDFD and SCM_PIDFD").
Link: https://lore.kernel.org/lkml/CAJqdLrpFcga4n7wxBhsFqPQiN8PKFVr6U10fKcJ9W7AcZn+o6Q@mail.gmail.com/ [1]
Fixes: 5e2ff6704a27 ("scm: add SO_PASSPIDFD and SCM_PIDFD")
Signed-off-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@canonical.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://lore.kernel.org/r/20230627174314.67688-3-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This pull contains the following branches:
doc.2023.05.10a: Documentation updates
fixes.2023.05.11a: Miscellaneous fixes, perhaps most notably:
o Remove RCU_NONIDLE(). The new visibility of most of the idle
loop to RCU has obsoleted this API.
o Make the RCU_SOFTIRQ callback-invocation time limit also apply
to the rcuc kthreads that invoke callbacks for CONFIG_PREEMPT_RT.
o Add a jiffies-based callback-invocation time limit to handle
long-running callbacks. (The local_clock() function is only
invoked once per 32 callbacks due to its high overhead.)
o Stop rcu_tasks_invoke_cbs() from using never-onlined CPUs,
which fixes a bug that can occur on systems with non-contiguous
CPU numbering.
kvfree.2023.05.10a: kvfree_rcu updates
o Eliminate the single-argument variant of k[v]free_rcu() now
that all uses have been converted to k[v]free_rcu_mightsleep().
o Add WARN_ON_ONCE() checks for k[v]free_rcu*() freeing callbacks
too soon. Yes, this is closing the barn door after the horse
has escaped, but Murphy says that there will be more horses.
nocb.2023.05.11a: Callback-offloading updates
o Fix a number of bugs involving the shrinker and lazy callbacks.
rcu-tasks.2023.05.10a: Tasks RCU updates
torture.2023.05.15a: Torture-test updates
rcu-urgent.2023.06.06a: Urgent SRCU fix (already pulled)
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Merge tag 'rcu.2023.06.22a' 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:
- Remove RCU_NONIDLE(). The new visibility of most of the idle loop
to RCU has obsoleted this API.
- Make the RCU_SOFTIRQ callback-invocation time limit also apply to
the rcuc kthreads that invoke callbacks for CONFIG_PREEMPT_RT.
- Add a jiffies-based callback-invocation time limit to handle
long-running callbacks. (The local_clock() function is only invoked
once per 32 callbacks due to its high overhead.)
- Stop rcu_tasks_invoke_cbs() from using never-onlined CPUs, which
fixes a bug that can occur on systems with non-contiguous CPU
numbering.
kvfree_rcu updates:
- Eliminate the single-argument variant of k[v]free_rcu() now that
all uses have been converted to k[v]free_rcu_mightsleep().
- Add WARN_ON_ONCE() checks for k[v]free_rcu*() freeing callbacks too
soon. Yes, this is closing the barn door after the horse has
escaped, but Murphy says that there will be more horses.
Callback-offloading updates:
- Fix a number of bugs involving the shrinker and lazy callbacks.
Tasks RCU updates
Torture-test updates"
* tag 'rcu.2023.06.22a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (32 commits)
torture: Remove duplicated argument -enable-kvm for ppc64
doc/rcutorture: Add description of rcutorture.stall_cpu_block
rcu/rcuscale: Stop kfree_scale_thread thread(s) after unloading rcuscale
rcu/rcuscale: Move rcu_scale_*() after kfree_scale_cleanup()
rcutorture: Correct name of use_softirq module parameter
locktorture: Add long_hold to adjust lock-hold delays
rcu/nocb: Make shrinker iterate only over NOCB CPUs
rcu-tasks: Stop rcu_tasks_invoke_cbs() from using never-onlined CPUs
rcu: Make rcu_cpu_starting() rely on interrupts being disabled
rcu: Mark rcu_cpu_kthread() accesses to ->rcu_cpu_has_work
rcu: Mark additional concurrent load from ->cpu_no_qs.b.exp
rcu: Employ jiffies-based backstop to callback time limit
rcu: Check callback-invocation time limit for rcuc kthreads
rcu: Remove RCU_NONIDLE()
rcu: Add more RCU files to kernel-api.rst
rcu-tasks: Clarify the cblist_init_generic() function's pr_info() output
rcu-tasks: Avoid pr_info() with spin lock in cblist_init_generic()
rcu/nocb: Recheck lazy callbacks under the ->nocb_lock from shrinker
rcu/nocb: Fix shrinker race against callback enqueuer
rcu/nocb: Protect lazy shrinker against concurrent (de-)offloading
...
It feels very unlikely that anybody would want to do a GUP in an
unmapped area under the stack pointer, but real users sometimes do some
really strange things. So add a (temporary) warning for the case where
a GUP fails and expanding the stack might have made it work.
It's trivial to do the expansion in the caller as part of getting the mm
lock in the first place - see __access_remote_vm() for ptrace, for
example - it's just that it's unnecessarily painful to do it deep in the
guts of the GUP lookup when we might have to drop and re-take the lock.
I doubt anybody actually does anything quite this strange, but let's be
proactive: adding these warnings is simple, and will make debugging it
much easier if they trigger.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This finishes the job of always holding the mmap write lock when
extending the user stack vma, and removes the 'write_locked' argument
from the vm helper functions again.
For some cases, we just avoid expanding the stack at all: drivers and
page pinning really shouldn't be extending any stacks. Let's see if any
strange users really wanted that.
It's worth noting that architectures that weren't converted to the new
lock_mm_and_find_vma() helper function are left using the legacy
"expand_stack()" function, but it has been changed to drop the mmap_lock
and take it for writing while expanding the vma. This makes it fairly
straightforward to convert the remaining architectures.
As a result of dropping and re-taking the lock, the calling conventions
for this function have also changed, since the old vma may no longer be
valid. So it will now return the new vma if successful, and NULL - and
the lock dropped - if the area could not be extended.
Tested-by: Vegard Nossum <vegard.nossum@oracle.com>
Tested-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> # ia64
Tested-by: Frank Scheiner <frank.scheiner@web.de> # ia64
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When using the felix driver (the only one which supports UC filtering
and MC filtering) as a DSA master for a random other DSA switch, one can
see the following stack trace when the downstream switch ports join a
VLAN-aware bridge:
=============================
WARNING: suspicious RCU usage
-----------------------------
net/8021q/vlan_core.c:238 suspicious rcu_dereference_protected() usage!
stack backtrace:
Workqueue: dsa_ordered dsa_slave_switchdev_event_work
Call trace:
lockdep_rcu_suspicious+0x170/0x210
vlan_for_each+0x8c/0x188
dsa_slave_sync_uc+0x128/0x178
__hw_addr_sync_dev+0x138/0x158
dsa_slave_set_rx_mode+0x58/0x70
__dev_set_rx_mode+0x88/0xa8
dev_uc_add+0x74/0xa0
dsa_port_bridge_host_fdb_add+0xec/0x180
dsa_slave_switchdev_event_work+0x7c/0x1c8
process_one_work+0x290/0x568
What it's saying is that vlan_for_each() expects rtnl_lock() context and
it's not getting it, when it's called from the DSA master's ndo_set_rx_mode().
The caller of that - dsa_slave_set_rx_mode() - is the slave DSA
interface's dsa_port_bridge_host_fdb_add() which comes from the deferred
dsa_slave_switchdev_event_work().
We went to great lengths to avoid the rtnl_lock() context in that call
path in commit 0faf890fc519 ("net: dsa: drop rtnl_lock from
dsa_slave_switchdev_event_work"), and calling rtnl_lock() is simply not
an option due to the possibility of deadlocking when calling
dsa_flush_workqueue() from the call paths that do hold rtnl_lock() -
basically all of them.
So, when the DSA master calls vlan_for_each() from its ndo_set_rx_mode(),
the state of the 8021q driver on this device is really not protected
from concurrent access by anything.
Looking at net/8021q/, I don't think that vlan_info->vid_list was
particularly designed with RCU traversal in mind, so introducing an RCU
read-side form of vlan_for_each() - vlan_for_each_rcu() - won't be so
easy, and it also wouldn't be exactly what we need anyway.
In general I believe that the solution isn't in net/8021q/ anyway;
vlan_for_each() is not cut out for this task. DSA doesn't need rtnl_lock()
to be held per se - since it's not a netdev state change that we're
blocking, but rather, just concurrent additions/removals to a VLAN list.
We don't even need sleepable context - the callback of vlan_for_each()
just schedules deferred work.
The proposed escape is to remove the dependency on vlan_for_each() and
to open-code a non-sleepable, rtnl-free alternative to that, based on
copies of the VLAN list modified from .ndo_vlan_rx_add_vid() and
.ndo_vlan_rx_kill_vid().
Fixes: 64fdc5f341db ("net: dsa: sync unicast and multicast addresses for VLAN filters too")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/20230626154402.3154454-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This reverts commit 3f5f118bb657f94641ea383c7c1b8c09a5d46ea2.
Konrad reported that desktop environment below cannot be reached after
commit 3f5f118bb657 ("af_unix: Call scm_recv() only after scm_set_cred().")
- postmarketOS (Alpine Linux w/ musl 1.2.4)
- busybox 1.36.1
- GNOME 44.1
- networkmanager 1.42.6
- openrc 0.47
Regarding to the warning of SO_PASSPIDFD, I'll post another patch to
suppress it by skipping SCM_PIDFD if scm->pid == NULL in scm_pidfd_recv().
Reported-by: Konrad Dybcio <konradybcio@kernel.org>
Link: https://lore.kernel.org/netdev/8c7f9abd-4f84-7296-2788-1e130d6304a0@kernel.org/
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Tested-by: Ido Schimmel <idosch@nvidia.com>
Tested-by: Gal Pressman <gal@nvidia.com>
Link: https://lore.kernel.org/r/20230626205837.82086-1-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Stephen reports warnings when rendering phylink kdocs as HTML:
include/linux/phylink.h:110: ERROR: Unexpected indentation.
include/linux/phylink.h:111: WARNING: Block quote ends without a blank line; unexpected unindent.
include/linux/phylink.h:614: WARNING: Inline literal start-string without end-string.
include/linux/phylink.h:644: WARNING: Inline literal start-string without end-string.
Make phylink_pcs_neg_mode() use a proper list format to fix the first
two warnings.
The last two warnings, AFAICT, come from the use of shorthand like
phylink_mode_*(). Perhaps those should be special-cased at the Sphinx
level.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Link: https://lore.kernel.org/all/20230626162908.2f149f98@canb.auug.org.au/
Link: https://lore.kernel.org/r/20230626214640.3142252-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Fix the mishandling of MSG_DONTWAIT and also reinstates the per-page
checking of the source pages (which might have come from a DIO write by
userspace) by partially reverting the changes to support MSG_SPLICE_PAGES
and doing things a little differently. In messenger_v1:
(1) The ceph_tcp_sendpage() is resurrected and the callers reverted to use
that.
(2) The callers now pass MSG_MORE unconditionally. Previously, they were
passing in MSG_MORE|MSG_SENDPAGE_NOTLAST and then degrading that to
just MSG_MORE on the last call to ->sendpage().
(3) Make ceph_tcp_sendpage() a wrapper around sendmsg() rather than
sendpage(), setting MSG_SPLICE_PAGES if sendpage_ok() returns true on
the page.
In messenger_v2:
(4) Bring back do_try_sendpage() and make the callers use that.
(5) Make do_try_sendpage() use sendmsg() for both cases and set
MSG_SPLICE_PAGES if sendpage_ok() is set.
Fixes: 40a8c17aa770 ("ceph: Use sendmsg(MSG_SPLICE_PAGES) rather than sendpage")
Fixes: fa094ccae1e7 ("ceph: Use sendmsg(MSG_SPLICE_PAGES) rather than sendpage()")
Reported-by: Ilya Dryomov <idryomov@gmail.com>
Link: https://lore.kernel.org/r/CAOi1vP9vjLfk3W+AJFeexC93jqPaPUn2dD_4NrzxwoZTbYfOnw@mail.gmail.com/
Link: https://lore.kernel.org/r/CAOi1vP_Bn918j24S94MuGyn+Gxk212btw7yWeDrRcW1U8pc_BA@mail.gmail.com/
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Xiubo Li <xiubli@redhat.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: Jens Axboe <axboe@kernel.dk>
cc: Matthew Wilcox <willy@infradead.org>
Link: https://lore.kernel.org/r/3101881.1687801973@warthog.procyon.org.uk/ # v1
Link: https://lore.kernel.org/r/3111635.1687813501@warthog.procyon.org.uk/ # v2
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Link: https://lore.kernel.org/r/3199652.1687873788@warthog.procyon.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Two deadly typos break RX and TX traffic on the VSC8502 PHY using RGMII
if phy-mode = "rgmii-id" or "rgmii-txid", and no "tx-internal-delay-ps"
override exists. The negative error code from phy_get_internal_delay()
does not get overridden with the delay deduced from the phy-mode, and
later gets committed to hardware. Also, the rx_delay gets overridden by
what should have been the tx_delay.
Fixes: dbb050d2bfc8 ("phy: mscc: Add support for RGMII delay configuration")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Harini Katakam <harini.katakam@amd.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20230627134235.3453358-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Julia Lawall says:
====================
use vmalloc_array and vcalloc
The functions vmalloc_array and vcalloc were introduced in
commit a8749a35c399 ("mm: vmalloc: introduce array allocation functions")
but are not used much yet. This series introduces uses of
these functions, to protect against multiplication overflows.
The changes were done using the following Coccinelle semantic
patch.
@initialize:ocaml@
@@
let rename alloc =
match alloc with
"vmalloc" -> "vmalloc_array"
| "vzalloc" -> "vcalloc"
| _ -> failwith "unknown"
@@
size_t e1,e2;
constant C1, C2;
expression E1, E2, COUNT, x1, x2, x3;
typedef u8;
typedef __u8;
type t = {u8,__u8,char,unsigned char};
identifier alloc = {vmalloc,vzalloc};
fresh identifier realloc = script:ocaml(alloc) { rename alloc };
@@
(
alloc(x1*x2*x3)
|
alloc(C1 * C2)
|
alloc((sizeof(t)) * (COUNT), ...)
|
- alloc((e1) * (e2))
+ realloc(e1, e2)
|
- alloc((e1) * (COUNT))
+ realloc(COUNT, e1)
|
- alloc((E1) * (E2))
+ realloc(E1, E2)
)
v2: This series uses vmalloc_array and vcalloc instead of
array_size. It also leaves a multiplication of a constant by a
sizeof as is. Two patches are thus dropped from the series.
====================
Link: https://lore.kernel.org/r/20230627144339.144478-1-Julia.Lawall@inria.fr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add RmNet support for LARA-R6 01B.
The new LARA-R6 product variant identified by the "01B" string can be
configured (by AT interface) in three different USB modes:
* Default mode (Vendor ID: 0x1546 Product ID: 0x1311) with 4 serial
interfaces
* RmNet mode (Vendor ID: 0x1546 Product ID: 0x1312) with 4 serial
interfaces and 1 RmNet virtual network interface
* CDC-ECM mode (Vendor ID: 0x1546 Product ID: 0x1313) with 4 serial
interface and 1 CDC-ECM virtual network interface
The first 4 interfaces of all the 3 configurations (default, RmNet, ECM)
are the same.
In RmNet mode LARA-R6 01B exposes the following interfaces:
If 0: Diagnostic
If 1: AT parser
If 2: AT parser
If 3: AT parset/alternative functions
If 4: RMNET interface
Signed-off-by: Davide Tronchin <davide.tronchin.94@gmail.com>
Link: https://lore.kernel.org/r/20230626125336.3127-1-davide.tronchin.94@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Our MPTCP CI and Stephen got this error:
In file included from builtin-trace.c:907:
trace/beauty/msg_flags.c: In function 'syscall_arg__scnprintf_msg_flags':
trace/beauty/msg_flags.c:28:21: error: 'MSG_SPLICE_PAGES' undeclared (first use in this function)
28 | if (flags & MSG_##n) { | ^~~~
trace/beauty/msg_flags.c:50:9: note: in expansion of macro 'P_MSG_FLAG'
50 | P_MSG_FLAG(SPLICE_PAGES);
| ^~~~~~~~~~
trace/beauty/msg_flags.c:28:21: note: each undeclared identifier is reported only once for each function it appears in
28 | if (flags & MSG_##n) { | ^~~~
trace/beauty/msg_flags.c:50:9: note: in expansion of macro 'P_MSG_FLAG'
50 | P_MSG_FLAG(SPLICE_PAGES);
| ^~~~~~~~~~
The fix is similar to what was done with MSG_FASTOPEN: the new macro is
defined if it is not defined in the system headers.
Fixes: b848b26c6672 ("net: Kill MSG_SENDPAGE_NOTLAST")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Closes: https://lore.kernel.org/r/20230626112847.2ef3d422@canb.auug.org.au/
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Link: https://lore.kernel.org/r/20230626090239.899672-1-matthieu.baerts@tessares.net
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'nf-23-06-27' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following patchset contains Netfilter fixes for net:
1) Reset shift on Boyer-Moore string match for each block,
from Jeremy Sowden.
2) Fix acccess to non-linear area in DCCP conntrack helper,
from Florian Westphal.
3) Fix kernel-doc warnings, by Randy Dunlap.
4) Bail out if expires= does not show in SIP helper message,
or make ct_sip_parse_numerical_param() tristate and report
error if expires= cannot be parsed.
5) Unbind non-anonymous set in case rule construction fails.
6) Fix underflow in chain reference counter in case set element
already exists or it cannot be created.
netfilter pull request 23-06-27
====================
Link: https://lore.kernel.org/r/20230627065304.66394-1-pablo@netfilter.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
ipvlan_queue_xmit() should return NET_XMIT_XXX, but
ipvlan_xmit_mode_l2/l3() returns rx_handler_result_t or NET_RX_XXX
in some cases. ipvlan_rcv_frame() will only return RX_HANDLER_CONSUMED
in ipvlan_xmit_mode_l2/l3() because 'local' is true. It's equal to
NET_XMIT_SUCCESS. But dev_forward_skb() can return NET_RX_SUCCESS or
NET_RX_DROP, and returning NET_RX_DROP(NET_XMIT_DROP) will increase
both ipvlan and ipvlan->phy_dev drops counter.
The skb to forward can be treated as xmitted successfully. This patch
makes ipvlan_queue_xmit() return NET_XMIT_SUCCESS for forward skb.
Fixes: 2ad7bf363841 ("ipvlan: Initial check-in of the IPVLAN driver.")
Signed-off-by: Cambda Zhu <cambda@linux.alibaba.com>
Link: https://lore.kernel.org/r/20230626093347.7492-1-cambda@linux.alibaba.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
* Improvements
- Support Pin Assignment D in getting mux state.
- Emit an uevent when EC panics so that userland programs get chance
to capture EC coredumps (LPC interface only).
- Send EC_CMD_HOST_SLEEP_EVENT to EC at the very beginning/end of
system suspend/resume so that EC can watch the duration more
accurately (LPC interface only).
* Misc
- Switch back from I2C .probe_new() to .probe().
- Use %*ph for printing hexdump of small buffers.
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Merge tag 'tag-chrome-platform-for-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
Pull chrome platform updates from Tzung-Bi Shih:
"Improvements:
- Support Pin Assignment D in getting mux state
- Emit an uevent when EC panics so that userland programs get chance
to capture EC coredumps (LPC interface only)
- Send EC_CMD_HOST_SLEEP_EVENT to EC at the very beginning/end of
system suspend/resume so that EC can watch the duration more
accurately (LPC interface only)
Misc:
- Switch back from I2C .probe_new() to .probe()
- Use %*ph for printing hexdump of small buffers"
* tag 'tag-chrome-platform-for-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
platform/chrome: cros_ec_spi: Use %*ph for printing hexdump of a small buffer
platform/chrome: Switch i2c drivers back to use .probe()
platform/chrome: cros_ec_lpc: Move host command to prepare/complete
platform/chrome: cros_ec: Report EC panic as uevent
platform/chrome: cros_typec_switch: Add Pin D support
- Add new IOCTLs to the int340x thermal driver to allow user space to
retrieve the Passive v2 thermal table (Srinivas Pandruvada).
- Add DT bindings for SM6375, MSM8226 and QCM2290 Qcom platforms (Konrad
Dybcio).
- Add DT bindings and support for QCom MSM8226 (Matti Lehtimäki).
- Add DT bindings for QCom ipq9574 (Praveenkumar I).
- Convert bcm2835 DT bindings to the yaml schema (Stefan Wahren).
- Allow selecting the bang-bang governor as default (Thierry Reding).
- Refactor and prepare the code to set the scene for RCar Gen4 (Wolfram
Sang).
- Clean up and fix the QCom tsens drivers. Add DT bindings and
calibration for the MSM8909 platform (Stephan Gerhold).
- Revert a patch introducing a wrong usage of devm_of_iomap() on the
Mediatek platform (Ricardo Cañuelo).
- Fix the clock vs reset ordering in order to conform to the
documentation on the sun8i (Christophe JAILLET).
- Prevent setting up undocumented registers, enable the only described
sensors and add the version 2.1 on the Qoriq sensor (Peng Fan).
- Add DT bindings and support for the Armada AP807 (Alex Leibovich).
- Update the mlx5 driver with the recent thermal changes (Daniel
Lezcano).
- Convert to platform remove callback returning void on STM32 (Uwe
Kleine-König).
- Add an error information printing for devm_thermal_add_hwmon_sysfs()
and remove the error from the Sun8i, Amlogic, i.MX, TI, K3, Tegra,
Qoriq, Mediateka and QCom (Yangtao Li).
- Register as hwmon sensor for the Generic ADC (Chen-Yu Tsai).
- Use the dev_err_probe() function in the QCom tsens alarm driver (Luca
Weiss).
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Merge tag 'thermal-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control updates from Rafael Wysocki:
"These extend the int340x thermal driver, add thermal DT bindings for
some Qcom platforms, add DT bindings and support for Armada AP807 and
MSM8909, allow selecting the bang-bang thermal governor as the default
one, address issues in several thermal drivers for ARM platforms and
clean up code.
Specifics:
- Add new IOCTLs to the int340x thermal driver to allow user space to
retrieve the Passive v2 thermal table (Srinivas Pandruvada)
- Add DT bindings for SM6375, MSM8226 and QCM2290 Qcom platforms
(Konrad Dybcio)
- Add DT bindings and support for QCom MSM8226 (Matti Lehtimäki)
- Add DT bindings for QCom ipq9574 (Praveenkumar I)
- Convert bcm2835 DT bindings to the yaml schema (Stefan Wahren)
- Allow selecting the bang-bang governor as default (Thierry Reding)
- Refactor and prepare the code to set the scene for RCar Gen4
(Wolfram Sang)
- Clean up and fix the QCom tsens drivers. Add DT bindings and
calibration for the MSM8909 platform (Stephan Gerhold)
- Revert a patch introducing a wrong usage of devm_of_iomap() on the
Mediatek platform (Ricardo Cañuelo)
- Fix the clock vs reset ordering in order to conform to the
documentation on the sun8i (Christophe JAILLET)
- Prevent setting up undocumented registers, enable the only
described sensors and add the version 2.1 on the Qoriq sensor (Peng
Fan)
- Add DT bindings and support for the Armada AP807 (Alex Leibovich)
- Update the mlx5 driver with the recent thermal changes (Daniel
Lezcano)
- Convert to platform remove callback returning void on STM32 (Uwe
Kleine-König)
- Add an error information printing for devm_thermal_add_hwmon_sysfs()
and remove the error from the Sun8i, Amlogic, i.MX, TI, K3, Tegra,
Qoriq, Mediateka and QCom (Yangtao Li)
- Register as hwmon sensor for the Generic ADC (Chen-Yu Tsai)
- Use the dev_err_probe() function in the QCom tsens alarm driver
(Luca Weiss)"
* tag 'thermal-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (39 commits)
thermal/drivers/qcom/temp-alarm: Use dev_err_probe
thermal/drivers/generic-adc: Register thermal zones as hwmon sensors
thermal/drivers/mediatek/lvts_thermal: Remove redundant msg in lvts_ctrl_start()
thermal/drivers/qcom: Remove redundant msg at probe time
thermal/drivers/ti-soc: Remove redundant msg in ti_thermal_expose_sensor()
thermal/drivers/qoriq: Remove redundant msg in qoriq_tmu_register_tmu_zone()
thermal/drivers/tegra: Remove redundant msg in tegra_tsensor_register_channel()
drivers/thermal/k3: Remove redundant msg in k3_bandgap_probe()
thermal/drivers/imx: Remove redundant msg in imx8mm_tmu_probe() and imx_sc_thermal_probe()
thermal/drivers/amlogic: Remove redundant msg in amlogic_thermal_probe()
thermal/drivers/sun8i: Remove redundant msg in sun8i_ths_register()
thermal/hwmon: Add error information printing for devm_thermal_add_hwmon_sysfs()
thermal/drivers/stm32: Convert to platform remove callback returning void
net/mlx5: Update the driver with the recent thermal changes
thermal/drivers/armada: Add support for AP807 thermal data
dt-bindings: armada-thermal: Add armada-ap807-thermal compatible
thermal/drivers/qoriq: Support version 2.1
thermal/drivers/qoriq: Only enable supported sensors
thermal/drivers/qoriq: No need to program site adjustment register
thermal/drivers/mediatek/lvts_thermal: Register thermal zones as hwmon sensors
...
- Introduce power capping core support for Intel TPMI (Topology Aware
Register and PM Capsule Interface) and a TPMI interface driver for
Intel RAPL (Zhang Rui, Dan Carpenter).
- Fix CONFIG_IOSF_MBI dependency in the Intel RAPL power capping
driver (Zhang Rui).
- Fix invalid initialization for pl4_supported field in the Intel RAPL
power capping driver (Sumeet Pawnikar).
- Clean up the intel_idle driver, make it work with VM guests that
cannot use the MWAIT instruction and address the case in which the
host may enter a deep idle state when the guest is idle (Arjan van
de Ven).
- Prevent cpufreq drivers that provide the ->adjust_perf() callback
without a ->fast_switch() one which is used as a fallback from the
former in some cases (Wyes Karny).
- Fix some issues related to the AMD P-state cpufreq driver (Mario
Limonciello, Wyes Karny).
- Fix the energy_performance_preference attribute handling in the
intel_pstate driver in passive mode (Tero Kristo).
- Fix the handling of pm_suspend_target_state when CONFIG_PM is unset
(Kai-Heng Feng).
- Correct spelling mistake in a comment in the hibernation code (Wang
Honghui).
- Add arch_resume_nosmt() prototype to avoid a "missing prototypes"
build warning (Arnd Bergmann).
- Restrict pm_pr_dbg() to system-wide power transitions and use it in
a few additional places (Mario Limonciello).
- Drop verification of in-params from genpd_add_device() and ensure
that all of its callers will do it (Ulf Hansson).
- Prevent possible integer overflows from occurring in
genpd_parse_state() (Nikita Zhandarovich).
- Reorder fieldls in 'struct devfreq_dev_status' to reduce its size
somewhat (Christophe JAILLET).
- Ensure that the Exynos PPMU driver is already loaded before the
Exynos Bus driver starts probing so as to avoid a possible freeze
loading of the kernel modules (Marek Szyprowski).
- Fix variable deferencing before NULL check in the mtk-cci devfreq
driver (Sukrut Bellary).
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Merge tag 'pm-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These add Intel TPMI (Topology Aware Register and PM Capsule
Interface) support to the power capping subsystem, extend the
intel_idle driver to work in VM guests where MWAIT is not available,
extend the system-wide power management diagnostics, fix bugs and
clean up code.
Specifics:
- Introduce power capping core support for Intel TPMI (Topology Aware
Register and PM Capsule Interface) and a TPMI interface driver for
Intel RAPL (Zhang Rui, Dan Carpenter)
- Fix CONFIG_IOSF_MBI dependency in the Intel RAPL power capping
driver (Zhang Rui)
- Fix invalid initialization for pl4_supported field in the Intel
RAPL power capping driver (Sumeet Pawnikar)
- Clean up the intel_idle driver, make it work with VM guests that
cannot use the MWAIT instruction and address the case in which the
host may enter a deep idle state when the guest is idle (Arjan van
de Ven)
- Prevent cpufreq drivers that provide the ->adjust_perf() callback
without a ->fast_switch() one which is used as a fallback from the
former in some cases (Wyes Karny)
- Fix some issues related to the AMD P-state cpufreq driver (Mario
Limonciello, Wyes Karny)
- Fix the energy_performance_preference attribute handling in the
intel_pstate driver in passive mode (Tero Kristo)
- Fix the handling of pm_suspend_target_state when CONFIG_PM is unset
(Kai-Heng Feng)
- Correct spelling mistake in a comment in the hibernation code (Wang
Honghui)
- Add arch_resume_nosmt() prototype to avoid a "missing prototypes"
build warning (Arnd Bergmann)
- Restrict pm_pr_dbg() to system-wide power transitions and use it in
a few additional places (Mario Limonciello)
- Drop verification of in-params from genpd_add_device() and ensure
that all of its callers will do it (Ulf Hansson)
- Prevent possible integer overflows from occurring in
genpd_parse_state() (Nikita Zhandarovich)
- Reorder fieldls in 'struct devfreq_dev_status' to reduce its size
somewhat (Christophe JAILLET)
- Ensure that the Exynos PPMU driver is already loaded before the
Exynos Bus driver starts probing so as to avoid a possible freeze
loading of the kernel modules (Marek Szyprowski)
- Fix variable deferencing before NULL check in the mtk-cci devfreq
driver (Sukrut Bellary)"
* tag 'pm-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (42 commits)
intel_idle: Add a "Long HLT" C1 state for the VM guest mode
cpufreq: intel_pstate: Fix energy_performance_preference for passive
cpufreq: amd-pstate: Add a kernel config option to set default mode
cpufreq: amd-pstate: Set a fallback policy based on preferred_profile
ACPI: CPPC: Add definition for undefined FADT preferred PM profile value
cpufreq: amd-pstate: Set default governor to schedutil
PM: domains: Move the verification of in-params from genpd_add_device()
cpufreq: amd-pstate: Make amd-pstate EPP driver name hyphenated
cpufreq: amd-pstate: Write CPPC enable bit per-socket
intel_idle: Add support for using intel_idle in a VM guest using just hlt
cpufreq: Fail driver register if it has adjust_perf without fast_switch
intel_idle: clean up the (new) state_update_enter_method function
intel_idle: refactor state->enter manipulation into its own function
platform/x86/amd: pmc: Use pm_pr_dbg() for suspend related messages
pinctrl: amd: Use pm_pr_dbg to show debugging messages
ACPI: x86: Add pm_debug_messages for LPS0 _DSM state tracking
include/linux/suspend.h: Only show pm_pr_dbg messages at suspend/resume
powercap: RAPL: Fix a NULL vs IS_ERR() bug
powercap: RAPL: Fix CONFIG_IOSF_MBI dependency
powercap: RAPL: fix invalid initialization for pl4_supported field
...
- Reduce ACPI device enumeration overhead related to devices with
dependencies (Rafael Wysocki).
- Fix the handling of Microsoft LPS0 _DSM for suspend-to-idle (Mario
Limonciello).
- Fix section mismatch warning in the ACPI suspend-to-idle code (Arnd
Bergmann).
- Drop several ACPI resource management quirks related to IRQ ovverides
on AMD "Zen" systems (Mario Limonciello).
- Modify the ACPI EC driver to make it only clear the EC GPE status
when handling the GPE (Jeremy Compostella).
- Add quirks to work around ACPI tables defects on Lenovo Yoga Book
yb1-x90f/l and Nextbook Ares 8A (Hans de Goede).
- Add ACPi backlight quirks for Dell Studio 1569, Lenovo ThinkPad X131e
(3371 AMD version) and Apple iMac11,3 and stop trying to use vendor
backlight control on relatively recent systems (Hans de Goede).
- Add pwm_lookup_table entry for second PWM on CHT/BSW devices in the
ACPI LPSS (Intel SoC) driver (Hans de Goede).
- Add nfit_intel_shutdown_status() declaration to a local header to
avoid a "missing prototypes" build warning (Arnd Bergmann).
- Clean up the ACPI thermal driver and drop some dead or otherwise
unneded code from it (Rafael Wysocki).
- Rework the handling of notifications in the ACPI button drivers so
as to allow the common notification handling code for devices to be
simplified (Rafael Wysocki).
- Make ghes_get_devices() return NULL to indicate that there are no
GHES devices so as to allow vendor-specific EDAC drivers to probe
then (Li Yang).
- Mark bert_disable() as __initdata and drop an unused function from
the APEI GHES code (Miaohe Lin).
- Make the ACPI PAD (Processor Aggregator Device) driver realize that
Zhaoxin CPUs support nonstop TSC (Tony W Wang-oc).
- Drop the certainly unnecessary and likely incorrect inclusion of
linux/arm-smccc.h from acpi_ffh.c (Sudeep Holla).
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Merge tag 'acpi-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These rework the handling of notifications in ACPI button drivers (to
enable future simplifications and cleanups), clean up the ACPI thermal
driver, update the ACPI backlight driver, add quirks working around
AML bugs on some systems, fix some assorted issues and clean up code.
Specifics:
- Reduce ACPI device enumeration overhead related to devices with
dependencies (Rafael Wysocki)
- Fix the handling of Microsoft LPS0 _DSM for suspend-to-idle (Mario
Limonciello)
- Fix section mismatch warning in the ACPI suspend-to-idle code (Arnd
Bergmann)
- Drop several ACPI resource management quirks related to IRQ
ovverides on AMD "Zen" systems (Mario Limonciello)
- Modify the ACPI EC driver to make it only clear the EC GPE status
when handling the GPE (Jeremy Compostella)
- Add quirks to work around ACPI tables defects on Lenovo Yoga Book
yb1-x90f/l and Nextbook Ares 8A (Hans de Goede)
- Add ACPi backlight quirks for Dell Studio 1569, Lenovo ThinkPad
X131e (3371 AMD version) and Apple iMac11,3 and stop trying to use
vendor backlight control on relatively recent systems (Hans de
Goede)
- Add pwm_lookup_table entry for second PWM on CHT/BSW devices in the
ACPI LPSS (Intel SoC) driver (Hans de Goede)
- Add nfit_intel_shutdown_status() declaration to a local header to
avoid a "missing prototypes" build warning (Arnd Bergmann)
- Clean up the ACPI thermal driver and drop some dead or otherwise
unneded code from it (Rafael Wysocki)
- Rework the handling of notifications in the ACPI button drivers so
as to allow the common notification handling code for devices to be
simplified (Rafael Wysocki)
- Make ghes_get_devices() return NULL to indicate that there are no
GHES devices so as to allow vendor-specific EDAC drivers to probe
then (Li Yang)
- Mark bert_disable() as __initdata and drop an unused function from
the APEI GHES code (Miaohe Lin)
- Make the ACPI PAD (Processor Aggregator Device) driver realize that
Zhaoxin CPUs support nonstop TSC (Tony W Wang-oc)
- Drop the certainly unnecessary and likely incorrect inclusion of
linux/arm-smccc.h from acpi_ffh.c (Sudeep Holla)"
* tag 'acpi-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (30 commits)
ACPI: video: Add backlight=native DMI quirk for Dell Studio 1569
ACPI: thermal: Drop struct acpi_thermal_flags
ACPI: thermal: Drop struct acpi_thermal_state
ACPI: bus: Simplify installation and removal of notify callback
ACPI: tiny-power-button: Eliminate the driver notify callback
ACPI: button: Use different notify handlers for lid and buttons
ACPI: button: Eliminate the driver notify callback
ACPI: thermal: Eliminate struct acpi_thermal_state_flags
ACPI: thermal: Move acpi_thermal_driver definition
ACPI: thermal: Move symbol definitions to one place
ACPI: thermal: Drop redundant ACPI_TRIPS_REFRESH_DEVICES symbol
ACPI: thermal: Use BIT() macro for defining flags
APEI: GHES: correctly return NULL for ghes_get_devices()
ACPI: FFH: Drop the inclusion of linux/arm-smccc.h
ACPI: PAD: mark Zhaoxin CPUs NONSTOP TSC correctly
ACPI: APEI: mark bert_disable as __initdata
ACPI: EC: Clear GPE on interrupt handling only
ACPI: video: Stop trying to use vendor backlight control on laptops from after ~2012
ACPI: x86: s2idle: Adjust Microsoft LPS0 _DSM handling sequence
ACPI: resource: Remove "Zen" specific match and quirks
...
- Support for the Armv8.9 Permission Indirection Extensions. While this
feature doesn't add new functionality, it enables future support for
Guarded Control Stacks (GCS) and Permission Overlays.
- User-space support for the Armv8.8 memcpy/memset instructions.
- arm64 perf: support the HiSilicon SoC uncore PMU, Arm CMN sysfs
identifier, support for the NXP i.MX9 SoC DDRC PMU, fixes and
cleanups.
- Removal of superfluous ISBs on context switch (following retrospective
architecture tightening).
- Decode the ISS2 register during faults for additional information to
help with debugging.
- KPTI clean-up/simplification of the trampoline exit code.
- Addressing several -Wmissing-prototype warnings.
- Kselftest improvements for signal handling and ptrace.
- Fix TPIDR2_EL0 restoring on sigreturn
- Clean-up, robustness improvements of the module allocation code.
- More sysreg conversions to the automatic register/bitfields
generation.
- CPU capabilities handling cleanup.
- Arm documentation updates: ACPI, ptdump.
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Catalin Marinas:
"Notable features are user-space support for the memcpy/memset
instructions and the permission indirection extension.
- Support for the Armv8.9 Permission Indirection Extensions. While
this feature doesn't add new functionality, it enables future
support for Guarded Control Stacks (GCS) and Permission Overlays
- User-space support for the Armv8.8 memcpy/memset instructions
- arm64 perf: support the HiSilicon SoC uncore PMU, Arm CMN sysfs
identifier, support for the NXP i.MX9 SoC DDRC PMU, fixes and
cleanups
- Removal of superfluous ISBs on context switch (following
retrospective architecture tightening)
- Decode the ISS2 register during faults for additional information
to help with debugging
- KPTI clean-up/simplification of the trampoline exit code
- Addressing several -Wmissing-prototype warnings
- Kselftest improvements for signal handling and ptrace
- Fix TPIDR2_EL0 restoring on sigreturn
- Clean-up, robustness improvements of the module allocation code
- More sysreg conversions to the automatic register/bitfields
generation
- CPU capabilities handling cleanup
- Arm documentation updates: ACPI, ptdump"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (124 commits)
kselftest/arm64: Add a test case for TPIDR2 restore
arm64/signal: Restore TPIDR2 register rather than memory state
arm64: alternatives: make clean_dcache_range_nopatch() noinstr-safe
Documentation/arm64: Add ptdump documentation
arm64: hibernate: remove WARN_ON in save_processor_state
kselftest/arm64: Log signal code and address for unexpected signals
docs: perf: Fix warning from 'make htmldocs' in hisi-pmu.rst
arm64/fpsimd: Exit streaming mode when flushing tasks
docs: perf: Add new description for HiSilicon UC PMU
drivers/perf: hisi: Add support for HiSilicon UC PMU driver
drivers/perf: hisi: Add support for HiSilicon H60PA and PAv3 PMU driver
perf: arm_cspmu: Add missing MODULE_DEVICE_TABLE
perf/arm-cmn: Add sysfs identifier
perf/arm-cmn: Revamp model detection
perf/arm_dmc620: Add cpumask
arm64: mm: fix VA-range sanity check
arm64/mm: remove now-superfluous ISBs from TTBR writes
Documentation/arm64: Update ACPI tables from BBR
Documentation/arm64: Update references in arm-acpi
Documentation/arm64: Update ARM and arch reference
...
Development updates for v6.5-rc1
- lots of build cleanups from Arnd spread throughout the arch/arm tree
- replace strlcpy() with the preferred strscpy()
- use sign_extend32() in the module linker
- drop handle_irq() machine descriptor method
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Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm
Pull ARM updates from Russell King:
- lots of build cleanups from Arnd spread throughout the arch/arm tree
- replace strlcpy() with the preferred strscpy()
- use sign_extend32() in the module linker
- drop handle_irq() machine descriptor method
* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: 9315/1: fiq: include asm/mach/irq.h for prototypes
ARM: 9314/1: tcm: move tcm_init() prototype to asm/tcm.h
ARM: 9313/1: vdso: add missing prototypes
ARM: 9312/1: vfp: include asm/neon.h in vfpmodule.c
ARM: 9311/1: decompressor: move function prototypes to misc.h
ARM: 9310/1: xip-kernel: add __inflate_kernel_data prototype
ARM: 9309/1: add missing syscall prototypes
ARM: 9308/1: move setup functions to header
ARM: 9307/1: nommu: include asm/idmap.h
ARM: 9306/1: cacheflush: avoid __flush_anon_page() missing-prototype warning
ARM: 9305/1: add clear/copy_user_highpage declarations
ARM: 9304/1: add prototype for function called only from asm
ARM: 9303/1: kprobes: avoid missing-declaration warnings
ARM: 9302/1: traps: hide unused functions on NOMMU
ARM: 9301/1: dma-mapping: hide unused dma_contiguous_early_fixup function
ARM: 9300/1: Replace all non-returning strlcpy with strscpy
ARM: 9299/1: module: use sign_extend32() to extend the signedness
ARM: 9298/1: Drop custom mdesc->handle_irq()
- Remove repeated 'the' in comments
- Remove unused current_untag_mask()
- Document urgent tip branch timing
- Clean up MSR kernel-doc notation
- Clean up paravirt_ops doc
- Update Srivatsa S. Bhat's maintained areas
- Remove unused extern declaration acpi_copy_wakeup_routine()
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Merge tag 'x86_cleanups_for_6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cleanups from Dave Hansen:
"As usual, these are all over the map. The biggest cluster is work from
Arnd to eliminate -Wmissing-prototype warnings:
- Address -Wmissing-prototype warnings
- Remove repeated 'the' in comments
- Remove unused current_untag_mask()
- Document urgent tip branch timing
- Clean up MSR kernel-doc notation
- Clean up paravirt_ops doc
- Update Srivatsa S. Bhat's maintained areas
- Remove unused extern declaration acpi_copy_wakeup_routine()"
* tag 'x86_cleanups_for_6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (22 commits)
x86/acpi: Remove unused extern declaration acpi_copy_wakeup_routine()
Documentation: virt: Clean up paravirt_ops doc
x86/mm: Remove unused current_untag_mask()
x86/mm: Remove repeated word in comments
x86/lib/msr: Clean up kernel-doc notation
x86/platform: Avoid missing-prototype warnings for OLPC
x86/mm: Add early_memremap_pgprot_adjust() prototype
x86/usercopy: Include arch_wb_cache_pmem() declaration
x86/vdso: Include vdso/processor.h
x86/mce: Add copy_mc_fragile_handle_tail() prototype
x86/fbdev: Include asm/fb.h as needed
x86/hibernate: Declare global functions in suspend.h
x86/entry: Add do_SYSENTER_32() prototype
x86/quirks: Include linux/pnp.h for arch_pnpbios_disabled()
x86/mm: Include asm/numa.h for set_highmem_pages_init()
x86: Avoid missing-prototype warnings for doublefault code
x86/fpu: Include asm/fpu/regset.h
x86: Add dummy prototype for mk_early_pgtbl_32()
x86/pci: Mark local functions as 'static'
x86/ftrace: Move prepare_ftrace_return prototype to header
...
a fatal shutdown during TDX private<=>shared conversion
- Annotate sites where VM "exit reasons" are reused as hypercall
numbers.
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Merge tag 'x86_tdx_for_6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 tdx updates from Dave Hansen:
- Fix a race window where load_unaligned_zeropad() could cause a fatal
shutdown during TDX private<=>shared conversion
The race has never been observed in practice but might allow
load_unaligned_zeropad() to catch a TDX page in the middle of its
conversion process which would lead to a fatal and unrecoverable
guest shutdown.
- Annotate sites where VM "exit reasons" are reused as hypercall
numbers.
* tag 'x86_tdx_for_6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm: Fix enc_status_change_finish_noop()
x86/tdx: Fix race between set_memory_encrypted() and load_unaligned_zeropad()
x86/mm: Allow guest.enc_status_change_prepare() to fail
x86/tdx: Wrap exit reason with hcall_func()
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Merge tag 'x86_platform_for_6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 platform updates from Dave Hansen:
"Allow CPUs in SGX/HPE Ultraviolet to start using Sub-NUMA clustering
(SNC) mode. SNC has been around outside the UV world for a while but
evidently never worked on UV systems.
SNC is rather notorious for breaking bad assumptions of a 1:1
relationship between physical sockets and NUMA nodes. The UV code was
rather prolific with these assumptions and took quite a bit of
refactoring to remove them"
* tag 'x86_platform_for_6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/platform/uv: Update UV[23] platform code for SNC
x86/platform/uv: Remove remaining BUG_ON() and BUG() calls
x86/platform/uv: UV support for sub-NUMA clustering
x86/platform/uv: Helper functions for allocating and freeing conversion tables
x86/platform/uv: When searching for minimums, start at INT_MAX not 99999
x86/platform/uv: Fix printed information in calc_mmioh_map
x86/platform/uv: Introduce helper function uv_pnode_to_socket.
x86/platform/uv: Add platform resolving #defines for misc GAM_MMIOH_REDIRECT*
and assert __x86_return_thunk's alignment so that future changes to
the symbol macros do not accidentally break them.
- Remove CONFIG_X86_FEATURE_NAMES Kconfig option as its existence is
pointless
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Merge tag 'x86_cpu_for_v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cpu updates from Borislav Petkov:
- Compute the purposeful misalignment of zen_untrain_ret automatically
and assert __x86_return_thunk's alignment so that future changes to
the symbol macros do not accidentally break them.
- Remove CONFIG_X86_FEATURE_NAMES Kconfig option as its existence is
pointless
* tag 'x86_cpu_for_v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/retbleed: Add __x86_return_thunk alignment checks
x86/cpu: Remove X86_FEATURE_NAMES
x86/Kconfig: Make X86_FEATURE_NAMES non-configurable in prompt
The gist of it all is that Intel TDX and AMD SEV-SNP confidential
computing guests define the notion of accepting memory before using it
and thus preventing a whole set of attacks against such guests like
memory replay and the like.
There are a couple of strategies of how memory should be accepted
- the current implementation does an on-demand way of accepting.
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Merge tag 'x86_cc_for_v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 confidential computing update from Borislav Petkov:
- Add support for unaccepted memory as specified in the UEFI spec v2.9.
The gist of it all is that Intel TDX and AMD SEV-SNP confidential
computing guests define the notion of accepting memory before using
it and thus preventing a whole set of attacks against such guests
like memory replay and the like.
There are a couple of strategies of how memory should be accepted -
the current implementation does an on-demand way of accepting.
* tag 'x86_cc_for_v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
virt: sevguest: Add CONFIG_CRYPTO dependency
x86/efi: Safely enable unaccepted memory in UEFI
x86/sev: Add SNP-specific unaccepted memory support
x86/sev: Use large PSC requests if applicable
x86/sev: Allow for use of the early boot GHCB for PSC requests
x86/sev: Put PSC struct on the stack in prep for unaccepted memory support
x86/sev: Fix calculation of end address based on number of pages
x86/tdx: Add unaccepted memory support
x86/tdx: Refactor try_accept_one()
x86/tdx: Make _tdx_hypercall() and __tdx_module_call() available in boot stub
efi/unaccepted: Avoid load_unaligned_zeropad() stepping into unaccepted memory
efi: Add unaccepted memory support
x86/boot/compressed: Handle unaccepted memory
efi/libstub: Implement support for unaccepted memory
efi/x86: Get full memory map in allocate_e820()
mm: Add support for unaccepted memory
Jiri Kosina
Linus Torvalds
Jakub Kicinski
Alexander Mikhalitsyn
Kuniyuki Iwashima
Moritz Fischer
Vladimir Oltean
David Howells
Julia Lawall
Davide Tronchin
Matthieu Baerts
Paolo Abeni
Cambda Zhu