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Due to a bug in some firmware versions, Store Data requests might not
get an event response in certain situations. As a result, the boot
process will be blocked indefinitely.
Fix this by introducing timeout handling for Store Data requests. In
case a timeout occurs, the Store Data operation is halted and no data
is retrieved from the SCLP facility.
Note: A minority of installed systems rely on Store Data result for
device auto-configuration. These systems will fail to boot in case of a
Store Data timeout and will need to be switched to manual device
configuration as workaround.
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
When a task waiting for completion of a Store Data operation is
interrupted, an attempt is made to halt this operation. If this attempt
fails due to a hardware or firmware problem, there is a chance that the
SCLP facility might store data into buffers referenced by the original
operation at a later time.
Handle this situation by not releasing the referenced data buffers if
the halt attempt fails. For current use cases, this might result in a
leak of few pages of memory in case of a rare hardware/firmware
malfunction.
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
On systems that do not support Store Data events (such as when running
as KVM guest) the following warning message appears during boot:
sclp_sd: Store Data request failed (eq=2, di=3, response=0x40f0,
flags=0x00, status=0, rc=-5)
This warning does not add any useful information since the result is
expected due to missing support for that event type.
Suppress this message by checking the associated masks of supported
events before issuing a Store Data event.
Suggested-by: Heiko Carstens <hca@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
With ARCH=s390, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/s390/char/raw3270.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/s390/char/con3270.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/s390/char/fs3270.o
Add the missing invocations of the MODULE_DESCRIPTION() macro.
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20240615-md-s390-drivers-s390-char-v1-1-d1cd23ff6476@quicinc.com
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
With ARCH=s390, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/s390/block/dcssblk.o
Add the missing invocation of the MODULE_DESCRIPTION() macro.
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20240615-md-s390-drivers-s390-block-dcssblk-v1-1-d9d19703abcb@quicinc.com
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
With ARCH=s390, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in arch/s390/mm/cmm.o
Add the missing invocation of the MODULE_DESCRIPTION() macro.
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20240615-md-s390-arch-s390-mm-v1-1-a360eed8c7c3@quicinc.com
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
With ARCH=s390, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in arch/s390/lib/test_kprobes_s390.o
WARNING: modpost: missing MODULE_DESCRIPTION() in arch/s390/lib/test_unwind.o
WARNING: modpost: missing MODULE_DESCRIPTION() in arch/s390/lib/test_modules.o
Add the missing invocations of the MODULE_DESCRIPTION() macro.
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20240615-md-s390-arch-s390-lib-v1-1-d7424b943973@quicinc.com
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
With ARCH=s390, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in arch/s390/crypto/crc32-vx_s390.o
Add the missing invocation of the MODULE_DESCRIPTION() macro.
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20240615-md-s390-arch-s390-crypto-v1-1-7120d406e7c7@quicinc.com
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
On s390, zero page's size relies on total ram pages.
Since we plan to move the accounting into __free_pages_core(),
totalram_pages may not represent the total usable pages on system
at this point when defer_init is enabled.
We can get the total usable pages from memblock directly. The size maybe
not accurate due to the alignment, but enough for the calculation.
Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
CC: Mike Rapoport (IBM) <rppt@kernel.org>
CC: David Hildenbrand <david@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/r/20240616013537.20338-1-richard.weiyang@gmail.com
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Make use of the popcnt instruction to provide optimized __arch_hweight*()
implementations. The generated code is shorter and avoids rather expensive
functions calls.
Acked-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Assign the output from get_lowcore() to a local variable,
so the code is easier to read.
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Assign the output from get_lowcore() to a local variable,
so the code is easier to read.
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Assign the output from get_lowcore() to a local variable,
so the code is easier to read.
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Assign the output from get_lowcore() to a local variable,
so the code is easier to read.
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Assign the output from get_lowcore() to a local variable,
so the code is easier to read.
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Replace all S390_lowcore usages in arch/s390/boot by get_lowcore().
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Replace all S390_lowcore usages in drivers/s390 by get_lowcore().
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Replace all S390_lowcore usages in arch/s390/ by get_lowcore().
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Add a get_lowcore() function which returns the address
of lowcore (currently always NULL). This function will
be used as a replacement of the S390_lowcore macro.
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
The PMU for PAI NNPA counters enforces the following restriction:
- No per-task context for PAI sampling event NNPA_ALL
- No multiple system-wide PAI sampling event NNPA_ALL
Both restrictions are removed. One or more per-task sampling events
are supported. Also one or more system-wide sampling events are
supported.
Acked-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
The PMU for PAI NNPA counters enforces the following restriction:
- No per-task context for PAI NNPA counters.
This restriction is removed. One or more per-task/system-wide counting
events can now be active at the same time while one system wide
sampling event is active.
Acked-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
The PMU for PAI NNPA counters enforces the following restriction:
- No system wide counting while system wide sampling is active.
This restriction is removed. One or more system wide counting events
can now be active at the same time while at most one system wide
sampling event is active.
Acked-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
The PMU for PAI crypto counters enforces the following restrictions:
- No per-task context for PAI crypto sampling event CRYPTO_ALL
- No multiple system-wide PAI crypto sampling event CRYPTO_ALL
Both restrictions are removed. One or more per-task sampling events
are supported. Also one or more system-wide sampling events are
supported.
Example for per-task context of sampling event CRYPTO_ALL:
# perf record -e pai_crypto/CRYPTO_ALL/ -- true
Example for system-wide context of sampling event CRYPTO_ALL:
# perf record -e pai_crypto/CRYPTO_ALL/ -a -- sleep 4
Acked-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
The PMU for PAI crypto counters enforces the following restriction:
- No per-task context for PAI crypto counters events.
This restriction is removed. One or more per-task/system-wide counting
events can now be active at the same time while at most one system
wide sampling event is active.
Example for per-task context of a PAI crypto counter event:
# perf stat -e pai_crypto/KM_AES_128/ -- true
Acked-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
The PMU for PAI crypto counters enforces the following restriction:
- No system wide counting while system wide sampling is active.
This restriction is removed. One or more system wide counting events
can now be active at the same time while at most one system wide
sampling event is active.
Acked-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Let's make it clearer that we are always working on folio flags and
never page flags of tail pages by converting remaining PG_arch_1 users
that modify page->flags to modify folio->flags instead.
No functional change intended, because we would always have worked with
the head page (where page->flags corresponds to folio->flags) and never
with tail pages.
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/r/20240508182955.358628-11-david@redhat.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Let's also implement HAVE_ARCH_MAKE_FOLIO_ACCESSIBLE, so we can convert
arch_make_page_accessible() to be a simple wrapper around
arch_make_folio_accessible(). Unfortunately, we cannot do that in the
header.
There are only two arch_make_page_accessible() calls remaining in gup.c.
We can now drop HAVE_ARCH_MAKE_PAGE_ACCESSIBLE completely form core-MM.
We'll handle that separately, once the s390x part landed.
Suggested-by: Matthew Wilcox <willy@infradead.org>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/r/20240508182955.358628-10-david@redhat.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Let's do the same as we did for uv_destroy_(folio|pte)() and
have the following variants:
(1) uv_convert_from_secure(): "low level" helper that operates on paddr
and does not mess with folios.
(2) uv_convert_from_secure_folio(): Consumes a folio to which we hold a
reference.
(3) uv_convert_from_secure_pte(): Consumes a PTE that holds a reference
through the mapping.
Unfortunately we need uv_convert_from_secure_pte(), because pfn_folio()
and friends are not available in pgtable.h.
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/r/20240508182955.358628-9-david@redhat.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Let's have the following variants for destroying pages:
(1) uv_destroy(): Like uv_pin_shared() and uv_convert_from_secure(),
"low level" helper that operates on paddr and doesn't mess with folios.
(2) uv_destroy_folio(): Consumes a folio to which we hold a reference.
(3) uv_destroy_pte(): Consumes a PTE that holds a reference through the
mapping.
Unfortunately we need uv_destroy_pte(), because pfn_folio() and
friends are not available in pgtable.h.
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/r/20240508182955.358628-8-david@redhat.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
It's not used outside of uv.c, so let's make it a static function.
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/r/20240508182955.358628-7-david@redhat.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
We removed the usage of PG_arch_1 for page tables in commit
a51324c430db ("s390/cmma: rework no-dat handling").
Let's update the comment in UV to reflect that.
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/r/20240508182955.358628-6-david@redhat.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Now that make_folio_secure() may only set PG_arch_1 for small folios,
let's convert relevant remaining UV code to only work on (small) folios
and simply reject large folios early. This way, we'll never end up
touching PG_arch_1 on tail pages of a large folio in UV code.
The folio_get()/folio_put() for functions that are documented to already
hold a folio reference look weird; likely they are required to make
concurrent gmap_make_secure() back off because the caller might only hold
an implicit reference due to the page mapping. So leave that alone for now.
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/r/20240508182955.358628-5-david@redhat.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
While s390x makes sure to never have PMD-mapped THP in processes that use
KVM -- by remapping them using PTEs in
thp_split_walk_pmd_entry()->split_huge_pmd() -- there is still the
possibility of having PTE-mapped THPs (large folios) mapped into guest
memory.
This would happen if user space allocates memory before calling
KVM_CREATE_VM (which would call s390_enable_sie()). With upstream QEMU,
this currently doesn't happen, because guest memory is setup and
conditionally preallocated after KVM_CREATE_VM.
Could it happen with shmem/file-backed memory when another process
allocated memory in the pagecache? Likely, although currently not a
common setup.
Trying to split any PTE-mapped large folios sounds like the right and
future-proof thing to do here. So let's call split_folio() and handle the
return values accordingly.
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/r/20240508182955.358628-4-david@redhat.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Let's factor out handling of LRU cache draining and convert the if-else
chain to a switch-case.
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/r/20240508182955.358628-3-david@redhat.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
folio_wait_writeback() requires that no spinlocks are held and that
a folio reference is held, as documented. After we dropped the PTL, the
folio could get freed concurrently. So grab a temporary reference.
Fixes: 214d9bbcd3a6 ("s390/mm: provide memory management functions for protected KVM guests")
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/r/20240508182955.358628-2-david@redhat.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
- Add a quirk for three different devices that have shown issues with
LPM (link power management). These devices appear to not implement LPM
properly, since we see command timeouts when enabling LPM. The quirk
disables LPM for these problematic devices. (Me)
- Do not apply the Intel PCS quirk on Alder Lake. The quirk is not needed
and was originally added by mistake when LPM support was enabled for
this AHCI controller. Enabling the quirk when not needed causes the
the controller to not be able to detect the connected devices on some
platforms.
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Merge tag 'ata-6.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata fixes from Niklas Cassel:
- Add a quirk for three different devices that have shown issues with
LPM (link power management). These devices appear to not implement
LPM properly, since we see command timeouts when enabling LPM. The
quirk disables LPM for these problematic devices. (Me)
- Do not apply the Intel PCS quirk on Alder Lake. The quirk is not
needed and was originally added by mistake when LPM support was
enabled for this AHCI controller. Enabling the quirk when not needed
causes the the controller to not be able to detect the connected
devices on some platforms.
* tag 'ata-6.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
ata: libata-core: Add ATA_HORKAGE_NOLPM for Apacer AS340
ata: libata-core: Add ATA_HORKAGE_NOLPM for AMD Radeon S3 SSD
ata: libata-core: Add ATA_HORKAGE_NOLPM for Crucial CT240BX500SSD1
ata: ahci: Do not apply Intel PCS quirk on Intel Alder Lake
- Fix topology parsing regression on older CPUs in the
new AMD/Hygon parser
- Fix boot crash on odd Intel Quark and similar CPUs that
do not fill out cpuinfo_x86::x86_clflush_size and zero out
cpuinfo_x86::x86_cache_alignment as a result. Provide
32 bytes as a general fallback value.
- Fix topology enumeration on certain rare CPUs where the
BIOS locks certain CPUID leaves and the kernel unlocked
them late, which broke with the new topology parsing code.
Factor out this unlocking logic and move it earlier
in the parsing sequence.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2024-06-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
"Miscellaneous topology parsing fixes:
- Fix topology parsing regression on older CPUs in the new AMD/Hygon
parser
- Fix boot crash on odd Intel Quark and similar CPUs that do not fill
out cpuinfo_x86::x86_clflush_size and zero out
cpuinfo_x86::x86_cache_alignment as a result.
Provide 32 bytes as a general fallback value.
- Fix topology enumeration on certain rare CPUs where the BIOS locks
certain CPUID leaves and the kernel unlocked them late, which broke
with the new topology parsing code. Factor out this unlocking logic
and move it earlier in the parsing sequence"
* tag 'x86-urgent-2024-06-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/topology/intel: Unlock CPUID before evaluating anything
x86/cpu: Provide default cache line size if not enumerated
x86/topology/amd: Evaluate SMT in CPUID leaf 0x8000001e only on family 0x17 and greater
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-urgent-2024-06-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fix from Ingo Molnar:
"Export a symbol to make life easier for instrumentation/debugging"
* tag 'sched-urgent-2024-06-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/x86: Export 'percpu arch_freq_scale'
- Enforce full ordering for ATOMIC operations with BPF_FETCH.
- Fix uaccess build errors seen with GCC 13/14.
- Fix build errors on ppc32 due to ARCH_HAS_KERNEL_FPU_SUPPORT.
- Drop error message from lparcfg guest name lookup.
Thanks to: Christophe Leroy, Guenter Roeck, Nathan Lynch, Naveen N Rao, Puranjay
Mohan, Samuel Holland.
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Merge tag 'powerpc-6.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Enforce full ordering for ATOMIC operations with BPF_FETCH
- Fix uaccess build errors seen with GCC 13/14
- Fix build errors on ppc32 due to ARCH_HAS_KERNEL_FPU_SUPPORT
- Drop error message from lparcfg guest name lookup
Thanks to Christophe Leroy, Guenter Roeck, Nathan Lynch, Naveen N Rao,
Puranjay Mohan, and Samuel Holland.
* tag 'powerpc-6.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc: Limit ARCH_HAS_KERNEL_FPU_SUPPORT to PPC64
powerpc/uaccess: Use YZ asm constraint for ld
powerpc/uaccess: Fix build errors seen with GCC 13/14
powerpc/pseries/lparcfg: drop error message from guest name lookup
powerpc/bpf: enforce full ordering for ATOMIC operations with BPF_FETCH
After merging a commit 1fffe7a34c89 ("script: modpost: emit a warning when
the description is missing"), MODULE_DESCRIPTOR seems to be mandatory for
kernel modules. In FireWire subsystem, the most of practical kernel modules
have the field, while KUnit test modules do not. A single patch is applied
to fix them.
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Merge tag 'firewire-fixes-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull firewire fix from Takashi Sakamoto:
"After merging a commit 1fffe7a34c89 ("script: modpost: emit a warning
when the description is missing"), MODULE_DESCRIPTOR seems to be
mandatory for kernel modules. In FireWire subsystem, the most of
practical kernel modules have the field, while KUnit test modules do
not. A single patch is applied to fix them"
* tag 'firewire-fixes-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
firewire: add missing MODULE_DESCRIPTION() to test modules
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Merge tag '6.10-rc1-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
"Two small smb3 fixes:
- Fix socket creation with sfu mount option (spotted by test generic/423)
- Minor cleanup: fix missing description in two files"
* tag '6.10-rc1-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: fix creating sockets when using sfu mount options
fs: smb: common: add missing MODULE_DESCRIPTION() macros
* Fix a livelock by dropping an xfarray sortinfo folio when an error is
encountered.
* During extended attribute operations, Initialize transaction reservation
computation based on attribute operation code.
* Relax symbolic link's ondisk verification code to allow symbolic links
with short remote targets.
* Prevent soft lockups when unmapping file ranges and also during remapping
blocks during a reflink operation.
* Fix compilation warnings when XFS is built with W=1 option.
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
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Merge tag 'xfs-6.10-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs fixes from Chandan Babu:
- Fix a livelock by dropping an xfarray sortinfo folio when an error
is encountered
- During extended attribute operations, Initialize transaction
reservation computation based on attribute operation code
- Relax symbolic link's ondisk verification code to allow symbolic
links with short remote targets
- Prevent soft lockups when unmapping file ranges and also during
remapping blocks during a reflink operation
- Fix compilation warnings when XFS is built with W=1 option
* tag 'xfs-6.10-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: Add cond_resched to block unmap range and reflink remap path
xfs: don't open-code u64_to_user_ptr
xfs: allow symlinks with short remote targets
xfs: fix xfs_init_attr_trans not handling explicit operation codes
xfs: drop xfarray sortinfo folio on error
xfs: Stop using __maybe_unused in xfs_alloc.c
xfs: Clear W=1 warning in xfs_iwalk_run_callbacks()
Here is a single revert for a much-reported regression in 6.10-rc1 when
it comes to a few older architectures. Turns out that the VT ioctls
don't work the same across all cpu types because of some old
compatibility requrements for stuff like alpha and powerpc. So revert
the change that attempted to have them use the _IO() macros and go back
to the known-working values instead.
This has NOT been in linux-next but has had many reports that it fixes
the issue with 6.10-rc1.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty fix from Greg KH:
"Here is a single revert for a much-reported regression in 6.10-rc1
when it comes to a few older architectures.
Turns out that the VT ioctls don't work the same across all cpu types
because of some old compatibility requrements for stuff like alpha and
powerpc. So revert the change that attempted to have them use the
_IO() macros and go back to the known-working values instead.
This has NOT been in linux-next but has had many reports that it fixes
the issue with 6.10-rc1"
* tag 'tty-6.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
Revert "VT: Use macros to define ioctls"
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Merge tag 'landlock-6.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux
Pull landlock fix from Mickaël Salaün:
"This fixes a wrong path walk triggered by syzkaller"
* tag 'landlock-6.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux:
selftests/landlock: Add layout1.refer_mount_root
landlock: Fix d_parent walk
