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Code sections in s390 specific kernel code which use floating point or
vector registers all come with a 520 byte stack variable to save already in
use registers, if required.
With INIT_STACK_ALL_PATTERN or INIT_STACK_ALL_ZERO enabled this variable
will always be initialized on function entry in addition to saving register
contents, which contradicts the intention (performance improvement) of such
code sections.
Therefore provide a DECLARE_KERNEL_FPU_ONSTACK() macro which provides
struct kernel_fpu variables with an __uninitialized attribute, and convert
all existing code to use this.
This way only this specific type of stack variable will not be initialized,
regardless of config options.
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20240205154844.3757121-3-hca@linux.ibm.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
With INIT_STACK_ALL_PATTERN or INIT_STACK_ALL_ZERO enabled the kernel will
be compiled with -ftrivial-auto-var-init=<...> which causes initialization
of stack variables at function entry time.
In order to avoid the performance impact that comes with this users can use
the "uninitialized" attribute to prevent such initialization.
Therefore provide the __uninitialized macro which can be used for cases
where INIT_STACK_ALL_PATTERN or INIT_STACK_ALL_ZERO is enabled, but only
selected variables should not be initialized.
Acked-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20240205154844.3757121-2-hca@linux.ibm.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Now that the driver core can properly handle constant struct bus_type,
move the matrix_bus variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Ricardo B. Marliere" <ricardo@marliere.net>
Acked-by: Halil Pasic <pasic@linux.ibm.com>
Reviewed-by: Anthony Krowiak <akrowiak@linux.ibm.com>
Reviewed-by: "Jason J. Herne" <jjherne@linux.ibm.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20240203-bus_cleanup-s390-v1-6-ac891afc7282@marliere.net
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Now that the driver core can properly handle constant struct bus_type,
move the ap_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Ricardo B. Marliere" <ricardo@marliere.net>
Reviewed-by: Harald Freudenberger <freude@linux.ibm.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20240203-bus_cleanup-s390-v1-5-ac891afc7282@marliere.net
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Now that the driver core can properly handle constant struct bus_type,
move the scm_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Ricardo B. Marliere" <ricardo@marliere.net>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20240203-bus_cleanup-s390-v1-4-ac891afc7282@marliere.net
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Now that the driver core can properly handle constant struct bus_type,
move the ccw_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Ricardo B. Marliere" <ricardo@marliere.net>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20240203-bus_cleanup-s390-v1-3-ac891afc7282@marliere.net
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Now that the driver core can properly handle constant struct bus_type,
move the css_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Ricardo B. Marliere" <ricardo@marliere.net>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20240203-bus_cleanup-s390-v1-2-ac891afc7282@marliere.net
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Now that the driver core can properly handle constant struct bus_type,
move the ccwgroup_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Ricardo B. Marliere" <ricardo@marliere.net>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20240203-bus_cleanup-s390-v1-1-ac891afc7282@marliere.net
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Now that the driver core can properly handle constant struct bus_type,
move the stp_subsys variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: "Ricardo B. Marliere" <ricardo@marliere.net>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20240204-bus_cleanup-s390_time-v1-1-d2120156982a@marliere.net
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
'-fPIC' as an option to the linker does not do what it seems like it
should. With ld.bfd, it is treated as '-f PIC', which does not make
sense based on the meaning of '-f':
-f SHLIB, --auxiliary SHLIB Auxiliary filter for shared object symbol table
When building with ld.lld (currently under review in a GitHub pull
request), it just errors out because '-f' means nothing and neither does
'-fPIC':
ld.lld: error: unknown argument '-fPIC'
'-fPIC' was blindly copied from CFLAGS when the vDSO stopped being
linked with '$(CC)', it should not be needed. Remove it to clear up the
build failure with ld.lld.
Fixes: 2b2a25845d53 ("s390/vdso: Use $(LD) instead of $(CC) to link vDSO")
Link: https://github.com/llvm/llvm-project/pull/75643
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Fangrui Song <maskray@google.com>
Link: https://lore.kernel.org/r/20240130-s390-vdso-drop-fpic-from-ldflags-v1-1-094ad104fc55@kernel.org
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
The measurement block origin address is an absolute address; therefore
add a missing virt_to_phys() translation to the cmf_activate() inline
assembly.
This doesn't fix a bug, since virtual and physical addresses are
currently identical.
Acked-by: Alexander Gordeev <agordeev@linux.ibm.com>
Acked-by: Vineeth Vijayan <vneethv@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
The address of the measurement block can be anywhere in 64 bit
absolute space. See description of the schm instruction in the
Principles of Operation.
Therefore remove the GFP_DMA flag when allocating the block.
Acked-by: Alexander Gordeev <agordeev@linux.ibm.com>
Reviewed-by: Vineeth Vijayan <vneethv@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Remove GFP_DMA flag when allocating memory to be used for CHSC control
blocks. The CHSC instruction can access memory beyond the DMA zone.
Suggested-by: Heiko Carstens <hca@linux.ibm.com>
Reviewed-by: Vineeth Vijayan <vneethv@linux.ibm.com>
Signed-off-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Stefan reported a test case fail in libc. The test runs with
randomize_va_space set to zero, i.e. disabled randomization. Additionally,
it runs the program with the dynamic loader. Looking at the failure showed
that the heap was placed right before some pages mapped from the binary.
This made memory allocation fail after a few allocations.
Normally, when address randomization is switched off and the binary is
loaded from the dynamic loader, the kernel places the binary below the
128MB top gap. So the address map would look like this:
3fff7fd1000-3fff7fd2000 r--p 00000000 5e:01 1447115 /lib/ld64.so.1
3fff7fd2000-3fff7ff2000 r-xp 00001000 5e:01 1447115 /lib/ld64.so.1
3fff7ff2000-3fff7ffc000 r--p 00021000 5e:01 1447115 /lib/ld64.so.1
3fff7ffc000-3fff7ffe000 r--p 0002a000 5e:01 1447115 /lib/ld64.so.1
3fff7ffe000-3fff8000000 rw-p 0002c000 5e:01 1447115 /lib/ld64.so.1
3fff8000000-3fff8021000 rw-p 00000000 00:00 0 [heap]
3fffffda000-3ffffffb000 rw-p 00000000 00:00 0 [stack]
3ffffffc000-3ffffffe000 r--p 00000000 00:00 0 [vvar]
3ffffffe000-40000000000 r-xp 00000000 00:00 0 [vdso]
However, commit 1f6b83e5e4d3 ("s390: avoid z13 cache aliasing") introduced
a mmap alignment mask of 8MB. With this commit, the memory map now
looks like this:
3fff7f80000-3fff7f81000 r--p 00000000 5e:01 1447115 /lib/ld64.so.1
3fff7f81000-3fff7fa1000 r-xp 00001000 5e:01 1447115 /lib/ld64.so.1
3fff7fa1000-3fff7fab000 r--p 00021000 5e:01 1447115 /lib/ld64.so.1
3fff7fab000-3fff7fad000 r--p 0002a000 5e:01 1447115 /lib/ld64.so.1
3fff7fad000-3fff7faf000 rw-p 0002c000 5e:01 1447115 /lib/ld64.so.1
3fff7faf000-3fff7fd0000 rw-p 00000000 00:00 0 [heap]
3fff7fdc000-3fff8000000 rw-p 00000000 00:00 0
3fffffda000-3ffffffb000 rw-p 00000000 00:00 0 [stack]
3ffffffc000-3ffffffe000 r--p 00000000 00:00 0 [vvar]
3ffffffe000-40000000000 r-xp 00000000 00:00 0 [vdso]
The reason for this placement is that the elf loader loads the binary to
end at mmap_base (0x3fff8000000 on s390). This would result in a start
address of 0x3fff7fd1000, but due to the alignment requirement of 8MB,
mmap chooses 0x3fff7f80000. This causes a gap between the end of the
mapped binary and mmap_base. When the next non-shared and non-file pages
are mapped, mmap searches from top to bottom and the first free space it
finds is the gap which is now present. This leaves only a few pages for
the heap. With enabled address space randomization this doesn't happen
because the binary is mapped to a completely different memory area.
Fix this by disabling the mmap alignment when address space randomization
is disabled. This is in line with what other architectures are doing.
Reported-by: Stefan Liebler <stli@linux.ibm.com>
Tested-by: Stefan Liebler <stli@linux.ibm.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Remove GFP_DMA flag when allocating memory to be used for diagnose 304.
Diagnose 304 can access memory beyond the DMA zone.
Suggested-by: Alexander Gordeev <agordeev@linux.ibm.com>
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
diag14() is currently only used by the vmur device driver. The third
parameter, called subcommand, determines the type of the first
parameter. For some subcommands the value of the first parameter is an
address to a memory buffer and needs virtual to physical address
conversion. Other subcommands interpret the first parameter is an
integer.
This doesn't fix a bug since virtual and physical addresses
are currently the same.
Suggested-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Add missing virt_to_phys() / phys_to_virt() translation to
alloc_chan_prog() and free_chan_prog().
This doesn't fix a bug since virtual and physical addresses
are currently the same.
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
The common timekeeping code steers the clock by adjusting the multiplier
value of the clock. With the current value of 1000 precision is lost
when the clock is steered with a userspace daemon. Increase the multiplier
and the shift values to increase precision.
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
paicrypt_init() return incorrect error code in case the number
of PAI crypto counters is too high. Change the return code to
-E2BIG.
Please merge with d0b0efedc7fe
Reported-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
The number of sysfs files to be exported by the PAI device drivers
depends on the hardware version level. Use the value returned by
the hardware as the maximum number of counters to be exported
in the sysfs attribute tree.
Without the fix, older machine generation export counter names
based on paiXXXX_ctrnames static array info, which can be inaccurate,
as this array could also contain newer counter names in the
future. This ensures proper pai counter sysfs attributes for
both newer generation and older generation processors.
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Acked-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
When the device driver is initialized, it checks the number of
possible counters. Should this number be too high, emit an error
and return.
Reported-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Acked-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
When the device drivers are initialized, a sysfs directory
is created. This contains many attributes which are allocated with
kzalloc(). Should it fail, the memory for the attributes already
created is freed in attr_event_free(). Its second parameter is number
of attribute elements to delete. This parameter is off by one.
When i. e. the 10th attribute fails to get created, attributes
numbered 0 to 9 should be deleted. Currently only attributes
numbered 0 to 8 are deleted.
Fixes: 39d62336f5c1 ("s390/pai: add support for cryptography counters")
Reported-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Acked-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Add missing virt_to_phys() translation to diag0c(). This doesn't fix a
bug since virtual and physical addresses are currently the same.
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Add missing virt_to_phys() translation to __hypfs_sprp_diag304().
This doesn't fix a bug since virtual and physical addresses are
currently the same.
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Fix virtual vs physical address confusion (which currently are the same).
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Fix virtual vs physical address confusion (which currently are the same).
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
It looks like all distributions will enable INIT_STACK_ALL_ZERO.
Reflect that in the default configurations.
Acked-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
CONFIG_COMPAT is disabled by default, however compat code still needs to
be compile tested. Add a compat topic configuration target which allows to
enable it easily.
Acked-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
and extent handling code.
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Merge tag 'for-linus-6.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 fixes from Ted Ts'o:
"Miscellaneous bug fixes and cleanups in ext4's multi-block allocator
and extent handling code"
* tag 'for-linus-6.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (23 commits)
ext4: make ext4_set_iomap() recognize IOMAP_DELALLOC map type
ext4: make ext4_map_blocks() distinguish delalloc only extent
ext4: add a hole extent entry in cache after punch
ext4: correct the hole length returned by ext4_map_blocks()
ext4: convert to exclusive lock while inserting delalloc extents
ext4: refactor ext4_da_map_blocks()
ext4: remove 'needed' in trace_ext4_discard_preallocations
ext4: remove unnecessary parameter "needed" in ext4_discard_preallocations
ext4: remove unused return value of ext4_mb_release_group_pa
ext4: remove unused return value of ext4_mb_release_inode_pa
ext4: remove unused return value of ext4_mb_release
ext4: remove unused ext4_allocation_context::ac_groups_considered
ext4: remove unneeded return value of ext4_mb_release_context
ext4: remove unused parameter ngroup in ext4_mb_choose_next_group_*()
ext4: remove unused return value of __mb_check_buddy
ext4: mark the group block bitmap as corrupted before reporting an error
ext4: avoid allocating blocks from corrupted group in ext4_mb_find_by_goal()
ext4: avoid allocating blocks from corrupted group in ext4_mb_try_best_found()
ext4: avoid dividing by 0 in mb_update_avg_fragment_size() when block bitmap corrupt
ext4: avoid bb_free and bb_fragments inconsistency in mb_free_blocks()
...
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Merge tag 'v6.8-rc3-smb-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
"Five smb3 client fixes, mostly multichannel related:
- four multichannel fixes including fix for channel allocation when
multiple inactive channels, fix for unneeded race in channel
deallocation, correct redundant channel scaling, and redundant
multichannel disabling scenarios
- add warning if max compound requests reached"
* tag 'v6.8-rc3-smb-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
smb: client: increase number of PDUs allowed in a compound request
cifs: failure to add channel on iface should bump up weight
cifs: do not search for channel if server is terminating
cifs: avoid redundant calls to disable multichannel
cifs: make sure that channel scaling is done only once
* Clear XFS_ATTR_INCOMPLETE filter on removing xattr from a node format
attribute fork.
* Remove conditional compilation of realtime geometry validator functions to
prevent confusing error messages from being printed on the console during the
mount operation.
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
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Merge tag 'xfs-6.8-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs fixes from Chandan Babu:
- Clear XFS_ATTR_INCOMPLETE filter on removing xattr from a node format
attribute fork
- Remove conditional compilation of realtime geometry validator
functions to prevent confusing error messages from being printed on
the console during the mount operation
* tag 'xfs-6.8-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: remove conditional building of rt geometry validator functions
xfs: reset XFS_ATTR_INCOMPLETE filter on node removal
Here are three tiny driver fixes for 6.8-rc3. They include:
- Android binder long-term bug with epoll finally being fixed
- fastrpc driver shutdown bugfix
- open-dice lockdep fix
All of these have been in linux-next this week with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are three tiny driver fixes for 6.8-rc3. They include:
- Android binder long-term bug with epoll finally being fixed
- fastrpc driver shutdown bugfix
- open-dice lockdep fix
All of these have been in linux-next this week with no reported
issues"
* tag 'char-misc-6.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
binder: signal epoll threads of self-work
misc: open-dice: Fix spurious lockdep warning
misc: fastrpc: Mark all sessions as invalid in cb_remove
Here are some small tty and serial driver fixes for 6.8-rc3 that resolve
a number of reported issues. Included in here are:
- rs485 flag definition fix that affected the user/kernel abi in -rc1
- max310x driver fixes
- 8250_pci1xxxx driver off-by-one fix
- uart_tiocmget locking race fix
All of these have been in linux-next for over a week with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty and serial driver fixes from Greg KH:
"Here are some small tty and serial driver fixes for 6.8-rc3 that
resolve a number of reported issues. Included in here are:
- rs485 flag definition fix that affected the user/kernel abi in -rc1
- max310x driver fixes
- 8250_pci1xxxx driver off-by-one fix
- uart_tiocmget locking race fix
All of these have been in linux-next for over a week with no reported
issues"
* tag 'tty-6.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: max310x: prevent infinite while() loop in port startup
serial: max310x: fail probe if clock crystal is unstable
serial: max310x: improve crystal stable clock detection
serial: max310x: set default value when reading clock ready bit
serial: core: Fix atomicity violation in uart_tiocmget
serial: 8250_pci1xxxx: fix off by one in pci1xxxx_process_read_data()
tty: serial: Fix bit order in RS485 flag definitions
Here are a bunch of small USB driver fixes for 6.8-rc3. Included in
here are:
- new usb-serial driver ids
- new dwc3 driver id added
- typec driver change revert
- ncm gadget driver endian bugfix
- xhci bugfixes for a number of reported issues
- usb hub bugfix for alternate settings
- ulpi driver debugfs memory leak fix
- chipidea driver bugfix
- usb gadget driver fixes
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB driver fixes from Greg KH:
"Here are a bunch of small USB driver fixes for 6.8-rc3. Included in
here are:
- new usb-serial driver ids
- new dwc3 driver id added
- typec driver change revert
- ncm gadget driver endian bugfix
- xhci bugfixes for a number of reported issues
- usb hub bugfix for alternate settings
- ulpi driver debugfs memory leak fix
- chipidea driver bugfix
- usb gadget driver fixes
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-6.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (24 commits)
USB: serial: option: add Fibocom FM101-GL variant
USB: serial: qcserial: add new usb-id for Dell Wireless DW5826e
USB: serial: cp210x: add ID for IMST iM871A-USB
usb: typec: tcpm: fix the PD disabled case
usb: ucsi_acpi: Quirk to ack a connector change ack cmd
usb: ucsi_acpi: Fix command completion handling
usb: ucsi: Add missing ppm_lock
usb: ulpi: Fix debugfs directory leak
Revert "usb: typec: tcpm: fix cc role at port reset"
usb: gadget: pch_udc: fix an Excess kernel-doc warning
usb: f_mass_storage: forbid async queue when shutdown happen
USB: hub: check for alternate port before enabling A_ALT_HNP_SUPPORT
usb: chipidea: core: handle power lost in workqueue
usb: dwc3: gadget: Fix NULL pointer dereference in dwc3_gadget_suspend
usb: dwc3: pci: add support for the Intel Arrow Lake-H
usb: core: Prevent null pointer dereference in update_port_device_state
xhci: handle isoc Babble and Buffer Overrun events properly
xhci: process isoc TD properly when there was a transaction error mid TD.
xhci: fix off by one check when adding a secondary interrupter.
xhci: fix possible null pointer dereference at secondary interrupter removal
...
changes
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Merge tag 'i2c-for-6.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixlet from Wolfram Sang:
"MAINTAINERS update to point people to the new tree for i2c host driver
changes"
* tag 'i2c-for-6.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
MAINTAINERS: Update i2c host drivers repository
Core:
- return of is_slave_direction() for D2D dma
Driver fixes for:
- Documentaion fixes to resolve warnings for at_hdmac driver
- bunch of fsl driver fixes for memory leaks, and useless kfree
- TI edma and k3 fixes for packet error and null pointer checks
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Merge tag 'dmaengine-fix-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine fixes from Vinod Koul:
"Core:
- fix return value of is_slave_direction() for D2D dma
Driver fixes for:
- Documentaion fixes to resolve warnings for at_hdmac driver
- bunch of fsl driver fixes for memory leaks, and useless kfree
- TI edma and k3 fixes for packet error and null pointer checks"
* tag 'dmaengine-fix-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine:
dmaengine: at_hdmac: add missing kernel-doc style description
dmaengine: fix is_slave_direction() return false when DMA_DEV_TO_DEV
dmaengine: fsl-qdma: Remove a useless devm_kfree()
dmaengine: fsl-qdma: Fix a memory leak related to the queue command DMA
dmaengine: fsl-qdma: Fix a memory leak related to the status queue DMA
dmaengine: ti: k3-udma: Report short packet errors
dmaengine: ti: edma: Add some null pointer checks to the edma_probe
dmaengine: fsl-dpaa2-qdma: Fix the size of dma pools
dmaengine: at_hdmac: fix some kernel-doc warnings
i2c host and muxes related patches will be collected.
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Merge tag 'i2c-host-fixes-6.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-current
Just a maintenance patch that updates the repository where the
i2c host and muxes related patches will be collected.
Vendor events:
- Intel Alderlake/Sapphire Rapids metric fixes, the CPU type ("cpu_atom", "cpu_core")
needs to be used as a prefix to be considered on a metric formula, detected via one
of the 'perf test' entries.
'perf test' fixes:
- Fix the creation of event selector lists on 'perf test' entries, by initializing
the sample ID flag, which is done by 'perf record', so this fix only the tests,
the common case isn't affected.
- Make 'perf list' respect debug settings (-v) to fix its 'perf test' entry.
- Fix 'perf script' test when python support isn't enabled.
- Special case 'perf script' tests on s390, where only DWARF call graphs are
supported and only on software events.
- Make 'perf daemon' signal test less racy.
Compiler warnings/errors:
- Remove needless malloc(0) call in 'perf top' that triggers -Walloc-size.
- Fix calloc() argument order to address error introduced in gcc-14.
Build:
- Make minimal shellcheck version to v0.6.0, avoiding the build to fail with older versions.
Sync kernel header copies:
- stat.h to pick STATX_MNT_ID_UNIQUE.
- msr-index.h to pick IA32_MKTME_KEYID_PARTITIONING.
- drm.h to pick DRM_IOCTL_MODE_CLOSEFB.
- unistd.h to pick {list,stat}mount, lsm_{[gs]et_self_attr,list_modules} syscall numbers.
- x86 cpufeatures to pick TDX, Zen, APIC MSR fence changes.
- x86's mem{cpy,set}_64.S used in 'perf bench'.
- Also, without tooling effects: asm-generic/unaligned.h, mount.h, fcntl.h, kvm headers.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-fixes-for-v6.8-1-2024-02-01' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools
Pull perf tools fixes from Arnaldo Carvalho de Melo:
"Vendor events:
- Intel Alderlake/Sapphire Rapids metric fixes, the CPU type
("cpu_atom", "cpu_core") needs to be used as a prefix to be
considered on a metric formula, detected via one of the 'perf test'
entries.
'perf test' fixes:
- Fix the creation of event selector lists on 'perf test' entries, by
initializing the sample ID flag, which is done by 'perf record', so
this fix affects only the tests, the common case isn't affected
- Make 'perf list' respect debug settings (-v) to fix its 'perf test'
entry
- Fix 'perf script' test when python support isn't enabled
- Special case 'perf script' tests on s390, where only DWARF call
graphs are supported and only on software events
- Make 'perf daemon' signal test less racy
Compiler warnings/errors:
- Remove needless malloc(0) call in 'perf top' that triggers
-Walloc-size
- Fix calloc() argument order to address error introduced in gcc-14
Build:
- Make minimal shellcheck version to v0.6.0, avoiding the build to
fail with older versions
Sync kernel header copies:
- stat.h to pick STATX_MNT_ID_UNIQUE
- msr-index.h to pick IA32_MKTME_KEYID_PARTITIONING
- drm.h to pick DRM_IOCTL_MODE_CLOSEFB
- unistd.h to pick {list,stat}mount,
lsm_{[gs]et_self_attr,list_modules} syscall numbers
- x86 cpufeatures to pick TDX, Zen, APIC MSR fence changes
- x86's mem{cpy,set}_64.S used in 'perf bench'
- Also, without tooling effects: asm-generic/unaligned.h, mount.h,
fcntl.h, kvm headers"
* tag 'perf-tools-fixes-for-v6.8-1-2024-02-01' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools: (21 commits)
perf tools headers: update the asm-generic/unaligned.h copy with the kernel sources
tools include UAPI: Sync linux/mount.h copy with the kernel sources
perf evlist: Fix evlist__new_default() for > 1 core PMU
tools headers: Update the copy of x86's mem{cpy,set}_64.S used in 'perf bench'
tools headers x86 cpufeatures: Sync with the kernel sources to pick TDX, Zen, APIC MSR fence changes
tools headers UAPI: Sync unistd.h to pick {list,stat}mount, lsm_{[gs]et_self_attr,list_modules} syscall numbers
perf vendor events intel: Alderlake/sapphirerapids metric fixes
tools headers UAPI: Sync kvm headers with the kernel sources
perf tools: Fix calloc() arguments to address error introduced in gcc-14
perf top: Remove needless malloc(0) call that triggers -Walloc-size
perf build: Make minimal shellcheck version to v0.6.0
tools headers UAPI: Update tools's copy of drm.h headers to pick DRM_IOCTL_MODE_CLOSEFB
perf test shell daemon: Make signal test less racy
perf test shell script: Fix test for python being disabled
perf test: Workaround debug output in list test
perf list: Add output file option
perf list: Switch error message to pr_err() to respect debug settings (-v)
perf test: Fix 'perf script' tests on s390
tools headers UAPI: Sync linux/fcntl.h with the kernel sources
tools arch x86: Sync the msr-index.h copy with the kernel sources to pick IA32_MKTME_KEYID_PARTITIONING
...
- Fix the return code for ring_buffer_poll_wait()
It was returing a -EINVAL instead of EPOLLERR.
- Zero out the tracefs_inode so that all fields are initialized.
The ti->private could have had stale data, but instead of
just initializing it to NULL, clear out the entire structure
when it is allocated.
- Fix a crash in timerlat
The hrtimer was initialized at read and not open, but is
canceled at close. If the file was opened and never read
the close will pass a NULL pointer to hrtime_cancel().
- Rewrite of eventfs.
Linus wrote a patch series to remove the dentry references in the
eventfs_inode and to use ref counting and more of proper VFS
interfaces to make it work.
- Add warning to put_ei() if ei is not set to free. That means
something is about to free it when it shouldn't.
- Restructure the eventfs_inode to make it more compact, and remove
the unused llist field.
- Remove the fsnotify*() funtions for when the inodes were being created
in the lookup code. It doesn't make sense to notify about creation
just because something is being looked up.
- The inode hard link count was not accurate. It was being updated
when a file was looked up. The inodes of directories were updating
their parent inode hard link count every time the inode was created.
That means if memory reclaim cleaned a stale directory inode and
the inode was lookup up again, it would increment the parent inode
again as well. Al Viro said to just have all eventfs directories
have a hard link count of 1. That tells user space not to trust it.
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Merge tag 'trace-v6.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing and eventfs fixes from Steven Rostedt:
- Fix the return code for ring_buffer_poll_wait()
It was returing a -EINVAL instead of EPOLLERR.
- Zero out the tracefs_inode so that all fields are initialized.
The ti->private could have had stale data, but instead of just
initializing it to NULL, clear out the entire structure when it is
allocated.
- Fix a crash in timerlat
The hrtimer was initialized at read and not open, but is canceled at
close. If the file was opened and never read the close will pass a
NULL pointer to hrtime_cancel().
- Rewrite of eventfs.
Linus wrote a patch series to remove the dentry references in the
eventfs_inode and to use ref counting and more of proper VFS
interfaces to make it work.
- Add warning to put_ei() if ei is not set to free. That means
something is about to free it when it shouldn't.
- Restructure the eventfs_inode to make it more compact, and remove the
unused llist field.
- Remove the fsnotify*() funtions for when the inodes were being
created in the lookup code. It doesn't make sense to notify about
creation just because something is being looked up.
- The inode hard link count was not accurate.
It was being updated when a file was looked up. The inodes of
directories were updating their parent inode hard link count every
time the inode was created. That means if memory reclaim cleaned a
stale directory inode and the inode was lookup up again, it would
increment the parent inode again as well. Al Viro said to just have
all eventfs directories have a hard link count of 1. That tells user
space not to trust it.
* tag 'trace-v6.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
eventfs: Keep all directory links at 1
eventfs: Remove fsnotify*() functions from lookup()
eventfs: Restructure eventfs_inode structure to be more condensed
eventfs: Warn if an eventfs_inode is freed without is_freed being set
tracing/timerlat: Move hrtimer_init to timerlat_fd open()
eventfs: Get rid of dentry pointers without refcounts
eventfs: Clean up dentry ops and add revalidate function
eventfs: Remove unused d_parent pointer field
tracefs: dentry lookup crapectomy
tracefs: Avoid using the ei->dentry pointer unnecessarily
eventfs: Initialize the tracefs inode properly
tracefs: Zero out the tracefs_inode when allocating it
ring-buffer: Clean ring_buffer_poll_wait() error return
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Merge tag 'gfs2-v6.8-rc2-revert' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull gfs2 revert from Andreas Gruenbacher:
"It turns out that the commit to use GL_NOBLOCK flag for non-blocking
lookups has several issues, and not all of them have a simple fix"
* tag 'gfs2-v6.8-rc2-revert' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
Revert "gfs2: Use GL_NOBLOCK flag for non-blocking lookups"
dma-buf:
- heaps CMA page accounting fix
virtio-gpu:
- fix segment size
xe:
- A crash fix
- A fix for an assert due to missing mem_acces ref
- Only allow a single user-fence per exec / bind.
- Some sparse warning fixes
- Two fixes for compilation failures on various odd
combinations of gcc / arch pointed out on LKML.
- Fix a fragile partial allocation pointed out on LKML.
- A sysfs ABI documentation warning fix
amdgpu:
- Fix reboot issue seen on some 7000 series dGPUs
- Fix client init order for KFD
- Misc display fixes
- USB-C fix
- DCN 3.5 fixes
- Fix issues with GPU scheduler and GPU reset
- GPU firmware loading fix
- Misc fixes
- GC 11.5 fix
- VCN 4.0.5 fix
- IH overflow fix
amdkfd:
- SVM fixes
- Trap handler fix
- Fix device permission lookup
- Properly reserve BO before validating it
nouveau:
- fence/irq lock deadlock fix (second attempt)
- gsp command size fix
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Merge tag 'drm-fixes-2024-02-03' of git://anongit.freedesktop.org/drm/drm
Pul drm fixes from Dave Airlie:
"Regular weekly fixes, mostly amdgpu and xe. One nouveau fix is a
better fix for the deadlock and also helps with a sync race we were
seeing.
dma-buf:
- heaps CMA page accounting fix
virtio-gpu:
- fix segment size
xe:
- A crash fix
- A fix for an assert due to missing mem_acces ref
- Only allow a single user-fence per exec / bind.
- Some sparse warning fixes
- Two fixes for compilation failures on various odd combinations of
gcc / arch pointed out on LKML.
- Fix a fragile partial allocation pointed out on LKML.
- A sysfs ABI documentation warning fix
amdgpu:
- Fix reboot issue seen on some 7000 series dGPUs
- Fix client init order for KFD
- Misc display fixes
- USB-C fix
- DCN 3.5 fixes
- Fix issues with GPU scheduler and GPU reset
- GPU firmware loading fix
- Misc fixes
- GC 11.5 fix
- VCN 4.0.5 fix
- IH overflow fix
amdkfd:
- SVM fixes
- Trap handler fix
- Fix device permission lookup
- Properly reserve BO before validating it
nouveau:
- fence/irq lock deadlock fix (second attempt)
- gsp command size fix
* tag 'drm-fixes-2024-02-03' of git://anongit.freedesktop.org/drm/drm: (35 commits)
nouveau: offload fence uevents work to workqueue
nouveau/gsp: use correct size for registry rpc.
drm/amdgpu/pm: Use inline function for IP version check
drm/hwmon: Fix abi doc warnings
drm/xe: Make all GuC ABI shift values unsigned
drm/xe/vm: Subclass userptr vmas
drm/xe: Use LRC prefix rather than CTX prefix in lrc desc defines
drm/xe: Don't use __user error pointers
drm/xe: Annotate mcr_[un]lock()
drm/xe: Only allow 1 ufence per exec / bind IOCTL
drm/xe: Grab mem_access when disabling C6 on skip_guc_pc platforms
drm/xe: Fix crash in trace_dma_fence_init()
drm/amdgpu: Reset IH OVERFLOW_CLEAR bit
drm/amdgpu: remove asymmetrical irq disabling in vcn 4.0.5 suspend
drm/amdgpu: drm/amdgpu: remove golden setting for gfx 11.5.0
drm/amdkfd: reserve the BO before validating it
drm/amdgpu: Fix missing error code in 'gmc_v6/7/8/9_0_hw_init()'
drm/amd/display: Fix buffer overflow in 'get_host_router_total_dp_tunnel_bw()'
drm/amd/display: Add NULL check for kzalloc in 'amdgpu_dm_atomic_commit_tail()'
drm/amd: Don't init MEC2 firmware when it fails to load
...
- a fix for the fix to deal with newer laptops which get confused by the
"GET ID" command when probing for PS/2 keyboards
- a couple of tweaks to i8042 to handle Clevo NS70PU and Lifebook U728
laptops
- a change to bcm5974 to validate that the device has appropriate
endpoints
- an addition of new product ID to xpad driver to recognize Lenovo
Legion Go controllers
- a quirk to Goodix controller to deal with extra GPIO described in ACPI
tables on some devices.
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Merge tag 'input-for-v6.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
- a fix for the fix to deal with newer laptops which get confused by
the "GET ID" command when probing for PS/2 keyboards
- a couple of tweaks to i8042 to handle Clevo NS70PU and Lifebook U728
laptops
- a change to bcm5974 to validate that the device has appropriate
endpoints
- an addition of new product ID to xpad driver to recognize Lenovo
Legion Go controllers
- a quirk to Goodix controller to deal with extra GPIO described in
ACPI tables on some devices.
* tag 'input-for-v6.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: i8042 - add Fujitsu Lifebook U728 to i8042 quirk table
Input: i8042 - fix strange behavior of touchpad on Clevo NS70PU
Input: atkbd - do not skip atkbd_deactivate() when skipping ATKBD_CMD_GETID
Input: atkbd - skip ATKBD_CMD_SETLEDS when skipping ATKBD_CMD_GETID
Input: bcm5974 - check endpoint type before starting traffic
Input: xpad - add Lenovo Legion Go controllers
Input: goodix - accept ACPI resources with gpio_count == 3 && gpio_int_idx == 0
A collection of fixes, mostly device-specific ones.
- Minor PCM core fix for name strings
- ASoC Qualcomm fixes, including DAI support extensions
- ASoC AMD platform updates
- ASoC Allwinner platform updates
- Various ASoC codec fixes for WSA, WCD, ES8326 drivers
- Various HD-audio and USB-audio fixes and quirks
- A series of fixes for Cirrus CS35L56 codecs
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Merge tag 'sound-6.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of fixes, mostly device-specific ones:
- Minor PCM core fix for name strings
- ASoC Qualcomm fixes, including DAI support extensions
- ASoC AMD platform updates
- ASoC Allwinner platform updates
- Various ASoC codec fixes for WSA, WCD, ES8326 drivers
- Various HD-audio and USB-audio fixes and quirks
- A series of fixes for Cirrus CS35L56 codecs"
* tag 'sound-6.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (63 commits)
ALSA: usb-audio: Ignore clock selector errors for single connection
ALSA: hda/realtek: Enable headset mic on Vaio VJFE-ADL
ALSA: hda: cs35l56: Remove unused test stub function
ALSA: hda: cs35l56: Firmware file must match the version of preloaded firmware
ALSA: hda: cs35l56: Fix filename string field layout
ALSA: hda: cs35l56: Fix order of searching for firmware files
ASoC: cs35l56: Allow more time for firmware to boot
ASoC: cs35l56: Load tunings for the correct speaker models
ASoC: cs35l56: Firmware file must match the version of preloaded firmware
ASoC: cs35l56: Fix misuse of wm_adsp 'part' string for silicon revision
ASoC: cs35l56: Fix for initializing ASP1 mixer registers
ALSA: hda: cs35l56: Initialize all ASP1 registers
ASoC: cs35l56: Fix default SDW TX mixer registers
ASoC: cs35l56: Fix to ensure ASP1 registers match cache
ASoC: cs35l56: Remove buggy checks from cs35l56_is_fw_reload_needed()
ASoC: cs35l56: Don't add the same register patch multiple times
ASoC: cs35l56: cs35l56_component_remove() must clean up wm_adsp
ASoC: cs35l56: cs35l56_component_remove() must clear cs35l56->component
ASoC: wm_adsp: Don't overwrite fwf_name with the default
ASoC: wm_adsp: Fix firmware file search order
...
Including:
- Make iommu_ops->default_domain work without CONFIG_IOMMU_DMA to fix
initialization of FSL-PAMU devices
- Fix for Tegra fbdev initialization failure
- Fix for a VFIO device unbinding failure on PowerPC
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Merge tag 'iommu-fixes-v6.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pul iommu fixes from Joerg Roedel:
- Make iommu_ops->default_domain work without CONFIG_IOMMU_DMA to fix
initialization of FSL-PAMU devices
- Fix for Tegra fbdev initialization failure
- Fix for a VFIO device unbinding failure on PowerPC
* tag 'iommu-fixes-v6.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
powerpc: iommu: Bring back table group release_ownership() call
drm/tegra: Do not assume that a NULL domain means no DMA IOMMU
iommu: Allow ops->default_domain to work when !CONFIG_IOMMU_DMA
