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Currently, it is possible that LPM is enabled while calling the set_lpm()
callback.
The current code performs a SET FEATURES command to disable DIPM if
policy < ATA_LPM_MED_POWER_WITH_DIPM, this means that it will currently
disable DIPM for policies:
ATA_LPM_UNKNOWN, ATA_LPM_MAX_POWER, ATA_LPM_MED_POWER
(but not for policy ATA_LPM_MED_POWER_WITH_DIPM).
The code called after calling the set_lpm() callback will later perform
a SET FEATURES command to enable DIPM, if
policy >= ATA_LPM_MED_POWER_WITH_DIPM.
As we can see DIPM will not be disabled before calling set_lpm() if the LPM
policy is: ATA_LPM_MED_POWER_WITH_DIPM, ATA_LPM_MIN_POWER_WITH_PARTIAL,
or ATA_LPM_MIN_POWER.
Make sure that we always disable DIPM before calling the set_lpm()
callback. This is because the set_lpm() callback is the function (for AHCI)
that sets the proper bits in PxSCTL.IPM, reflecting the support of the HBA.
PxSCTL.IPM controls the LPM states that the device is allowed to enter.
If the device tries to enter a state disabled by PxSCTL.IPM, the host will
NAK the transition.
If we do not disable DIPM before modifying PxSCTL.IPM, it is possible that
DIPM will try (and will be allowed to) enter a LPM state that the HBA does
not support (since we have not yet written PxSCTL.IPM, the HBA wasn't able
to NAK the transition).
While at it, remove the guard of host support for DIPM around the disabling
of DIPM. While it makes sense to take host support for DIPM into account
when enabling DIPM, it makes zero sense to take host support into account
when disabling DIPM.
If the host does not support DIPM, that is an even bigger reason why DIPM
should be disabled on the device side.
Signed-off-by: Niklas Cassel <cassel@kernel.org>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
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Rename the no_dipm variable to host_has_dipm, by inverting the
expression, and and also having a clearer name.
No functional change.
Signed-off-by: Niklas Cassel <cassel@kernel.org>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
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Rename the hipm and dipm variables to have a clearer name.
Also fold in the usage of no_dipm, as that is required in order to give
the dipm variable a more descriptive name.
No functional change.
Signed-off-by: Niklas Cassel <cassel@kernel.org>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
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link->lpm_policy is initialized to ATA_LPM_UNKNOWN in ata_eh_reset().
ata_eh_set_lpm() is then only called if
link->lpm_policy != ap->target_lpm_policy (after reset)
and then only if link->lpm_policy > ATA_LPM_MAX_POWER (before
revalidation).
This means that ata_eh_set_lpm() is currently never called with
policy == ATA_LPM_UNKNOWN.
Add a WARN_ON_ONCE so that it is more obvious from reading the code that
this function is never called with policy == ATA_LPM_UNKNOWN.
Signed-off-by: Niklas Cassel <cassel@kernel.org>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
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The comments describing which LPM policies that has DIPM enabled predates
the introduction of the LPM policies ATA_LPM_MIN_POWER_WITH_PARTIAL and
ATA_LPM_MED_POWER_WITH_DIPM. Update the DIPM comments to reflect reality.
Also remove the sentence that claims that "Order device and link
configurations such that the host always allows DIPM requests."
This comment is written before 24e0e61db3cb ("ata: libata: disallow
dev-initiated LPM transitions to unsupported states").
Even though the set_lpm() call is done before enabling DIPM, the host will
not always allow DIPM requests. For all LPM polcies where DIPM is enabled,
only DIPM requests to LPM states that are supported by the HBA will be
allowed.
Signed-off-by: Niklas Cassel <cassel@kernel.org>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
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Convert the Arasan/SPEAr Compact Flash Controller to DT schema format.
The "clock-frequency" property isn't actually used. Add a single
"clocks" entry as the Linux driver supports a single clock though the
platform still doesn't have clocks in DT.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
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Convert the Marvell Orion SATA Controller to DT schema format.
The clocks and clock-names properties were missing. The names for
phy-names were incorrect. The maximum "nr-ports" was determined from the
Linux driver.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
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Convert the Cavium Compact Flash Controller to DT schema format. It's a
straight-forward conversion.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
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Convert the APM X-Gene AHCI SATA Controller to DT schema format. It's a
straight-forward conversion.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
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Convert the ST AHCI SATA Controller to DT schema format.
The phy-names changes from "ahci_phy" to "sata-phy" with the inclusion
of ahci-common.yaml. That's an ABI change, but the Linux driver at least
ignores the names. The binding uses "ports-implemented" property, so
including ahci-common.yaml is required.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
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Convert the TI DM816 AHCI SATA Controller to DT schema format. It's a
straight-forward conversion.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
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Commit affccb16c117 ("ata: ahci: print the lpm policy on boot") added a
lpm-pol print during boot, which shows the LPM policy used by each port.
While the LPM policy is usually determined by the Kconfig
CONFIG_SATA_MOBILE_LPM_POLICY, the Kconfig value is overridden e.g. if
firmware has marked the port as hotplug capable / external.
Commit f97106b10d9a ("ata: ahci: Add debug print for external port") did
add a debug print to show if LPM was disabled because firmware has marked
the port as external, however, because devices having broken LPM (even
though they claim to support it) is more common than one would have hoped,
print "ext" during boot if firmware has marked the port is external.
This will make it easier to debug certain LPM issues, e.g. if firmware has
enabled/marked only some of the ports as hotplug capable / external.
Before (port marked as external by firmware):
ata1: SATA max UDMA/133 abar m4096@0xfebd3000 port 0xfebd3100 irq 57 lpm-pol 0
After (port marked as external by firmware):
ata1: SATA max UDMA/133 abar m4096@0xfebd3000 port 0xfebd3100 irq 57 lpm-pol 0 ext
Signed-off-by: Niklas Cassel <cassel@kernel.org>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
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The Rockchip RK3576 has two SATA controllers. They work the same as the
RK3568 SATA controllers, having the same number of clocks and ports.
Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Niklas Cassel <cassel@kernel.org>
Link: https://lore.kernel.org/r/20250424-rk3576-sata-v1-1-23ee89c939fe@collabora.com
Signed-off-by: Niklas Cassel <cassel@kernel.org>
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For ATA PASS-THROUGH + fixed format sense data + NCQ autosense
the INFORMATION sense data field is being written twice:
- 1st write: (redundant)
scsi_set_sense_information() sets the INFORMATION field to ATA LBA.
This is incorrect for ATA PASS-THROUGH.
- 2nd write: (correct)
ata_scsi_set_passthru_sense_fields() sets the INFORMATION field
to ATA ERROR/STATUS/DEVICE/COUNT(7:0) as per SAT spec.
There is no user-visible issue because second write overwrites
the incorrect data from the first write.
This patch eliminates the reduntant write by moving the INFORMATION
sense data field population logic to ata_scsi_qc_complete().
Signed-off-by: Igor Pylypiv <ipylypiv@google.com>
Reviewed-by: Niklas Cassel <cassel@kernel.org>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
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There are spelling mistakes in arrays test_parttern1 and test_parttern2.
Fix them.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
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The BIT() macro is commonly used in the kernel.
Make use of it when converting a tag, fetched from the Successful NCQ
Commands log or the NCQ Command Error log, to a bit field.
This makes the code easier to read.
Suggested-by: Igor Pylypiv <ipylypiv@google.com>
Signed-off-by: Niklas Cassel <cassel@kernel.org>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Igor Pylypiv <ipylypiv@google.com>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
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While the SENSE DATA VALID field in the ACS-6 specification is 47 bits,
we are currently only fetching 32 bits, because these are the only bits
that we care about (these bits represent the tags (which can be 0-31)).
Thus, replace the existing logic with a simple get_unaligned_le32().
While at it, change the type of sense_valid to u32.
Signed-off-by: Niklas Cassel <cassel@kernel.org>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Igor Pylypiv <ipylypiv@google.com>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
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Use dev_dbg_once() instead of open-coding the once functionality.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
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I had left the warning around but as a non-fatal error to get my gcc-15
builds going, but fixed up some of the most annoying warning cases so
that it wouldn't be *too* verbose.
Because I like the _concept_ of the warning, even if I detested the
implementation to shut it up.
It turns out the implementation to shut it up is even more broken than I
thought, and my "shut up most of the warnings" patch just caused fatal
errors on gcc-14 instead.
I had tested with clang, but when I upgrade my development environment,
I try to do it on all machines because I hate having different systems
to maintain, and hadn't realized that gcc-14 now had issues.
The ACPI case is literally why I wanted to have a *type* that doesn't
trigger the warning (see commit d5d45a7f2619: "gcc-15: make
'unterminated string initialization' just a warning"), instead of
marking individual places as "__nonstring".
But gcc-14 doesn't like that __nonstring location that shut gcc-15 up,
because it's on an array of char arrays, not on one single array:
drivers/acpi/tables.c:399:1: error: 'nonstring' attribute ignored on objects of type 'const char[][4]' [-Werror=attributes]
399 | static const char table_sigs[][ACPI_NAMESEG_SIZE] __initconst __nonstring = {
| ^~~~~~
and my attempts to nest it properly with a type had failed, because of
how gcc doesn't like marking the types as having attributes, only
symbols.
There may be some trick to it, but I was already annoyed by the bad
attribute design, now I'm just entirely fed up with it.
I wish gcc had a proper way to say "this type is a *byte* array, not a
string".
The obvious thing would be to distinguish between "char []" and an
explicitly signed "unsigned char []" (as opposed to an implicitly
unsigned char, which is typically an architecture-specific default, but
for the kernel is universal thanks to '-funsigned-char').
But any "we can typedef a 8-bit type to not become a string just because
it's an array" model would be fine.
But "__attribute__((nonstring))" is sadly not that sane model.
Reported-by: Chris Clayton <chris2553@googlemail.com>
Fixes: 4b4bd8c50f48 ("gcc-15: acpi: sprinkle random '__nonstring' crumbles around")
Fixes: d5d45a7f2619 ("gcc-15: make 'unterminated string initialization' just a warning")
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The C sequence points are complicated things, and gcc-15 has apparently
added a warning for the case where an object is both used and modified
multiple times within the same sequence point.
That's a great warning.
Or rather, it would be a great warning, except gcc-15 seems to not
really be very exact about it, and doesn't notice that the modification
are to two entirely different members of the same object: the array
counter and the array entries.
So that seems kind of silly.
That said, the code that gcc complains about is unnecessarily
complicated, so moving the array counter update into a separate
statement seems like the most straightforward fix for these warnings:
drivers/net/wireless/intel/iwlwifi/mld/d3.c: In function ‘iwl_mld_set_netdetect_info’:
drivers/net/wireless/intel/iwlwifi/mld/d3.c:1102:66: error: operation on ‘netdetect_info->n_matches’ may be undefined [-Werror=sequence-point]
1102 | netdetect_info->matches[netdetect_info->n_matches++] = match;
| ~~~~~~~~~~~~~~~~~~~~~~~~~^~
drivers/net/wireless/intel/iwlwifi/mld/d3.c:1120:58: error: operation on ‘match->n_channels’ may be undefined [-Werror=sequence-point]
1120 | match->channels[match->n_channels++] =
| ~~~~~~~~~~~~~~~~~^~
side note: the code at that second warning is actively buggy, and only
works on little-endian machines that don't do strict alignment checks.
The code casts an array of integers into an array of unsigned long in
order to use our bitmap iterators. That happens to work fine on any
sane architecture, but it's still wrong.
This does *not* fix that more serious problem. This only splits the two
assignments into two statements and fixes the compiler warning. I need
to get rid of the new warnings in order to be able to actually do any
build testing.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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All of these cases are perfectly valid and good traditional C, but hit
by the "you're not NUL-terminating your byte array" warning.
And none of the cases want any terminating NUL character.
Mark them __nonstring to shut up gcc-15 (and in the case of the ak8974
magnetometer driver, I just removed the explicit array size and let gcc
expand the 3-byte and 6-byte arrays by one extra byte, because it was
the simpler change).
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This removes two cases of explicit NUL padding that now causes warnings
because of '-Wunterminated-string-initialization' being part of -Wextra
in gcc-15.
Gcc is being silly in this case when it says that it truncates a NUL
terminator, because in these cases there were _multiple_ NUL characters.
But we can get rid of the warning by just simplifying the two
initializers that trigger the warning for me, so this does exactly that.
I'm not sure why the power supply code did that odd
.attr_name = #_name "\0",
pattern: it was introduced in commit 2cabeaf15129 ("power: supply: core:
Cleanup power supply sysfs attribute list"), but that 'attr_name[]'
field is an explicitly sized character array in a statically initialized
variable, and a string initializer always has a terminating NUL _and_
statically initialized character arrays are zero-padded anyway, so it
really seems to be rather extraneous belt-and-suspenders.
The zero_uuid[16] initialization in drivers/md/bcache/super.c makes
perfect sense, but it isn't necessary for the same reasons, and not
worth the new gcc warning noise.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This is not great: I'd much rather introduce a typedef that is a "ACPI
name byte buffer", and use that to mark these special 4-byte ACPI names
that do not use NUL termination.
But as noted in the previous commit ("gcc-15: make 'unterminated string
initialization' just a warning") gcc doesn't actually seem to support
that notion, so instead you have to just mark every single array
declaration individually.
So this is not pretty, but this gets rid of the bulk of the annoying
warnings during an allmodconfig build for me.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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gcc-15 enabling -Wunterminated-string-initialization in -Wextra by
default was done with the best intentions, but the warning is still
quite broken.
What annoys me about the warning is that this is a very traditional AND
CORRECT way to initialize fixed byte arrays in C:
unsigned char hex[16] = "0123456789abcdef";
and we use this all over the kernel. And the warning is fine, but gcc
developers apparently never made a reasonable way to disable it. As is
(sadly) tradition with these things.
Yes, there's "__attribute__((nonstring))", and we have a macro to make
that absolutely disgusting syntax more palatable (ie the kernel syntax
for that monstrosity is just "__nonstring").
But that attribute is misdesigned. What you'd typically want to do is
tell the compiler that you are using a type that isn't a string but a
byte array, but that doesn't work at all:
warning: ‘nonstring’ attribute does not apply to types [-Wattributes]
and because of this fundamental mis-design, you then have to mark each
instance of that pattern.
This is particularly noticeable in our ACPI code, because ACPI has this
notion of a 4-byte "type name" that gets used all over, and is exactly
this kind of byte array.
This is a sad oversight, because the warning is useful, but really would
be so much better if gcc had also given a sane way to indicate that we
really just want a byte array type at a type level, not the broken "each
and every array definition" level.
So now instead of creating a nice "ACPI name" type using something like
typedef char acpi_name_t[4] __nonstring;
we have to do things like
char name[ACPI_NAMESEG_SIZE] __nonstring;
in every place that uses this concept and then happens to have the
typical initializers.
This is annoying me mainly because I think the warning _is_ a good
warning, which is why I'm not just turning it off in disgust. But it is
hampered by this bad implementation detail.
[ And obviously I'm doing this now because system upgrades for me are
something that happen in the middle of the release cycle: don't do it
before or during travel, or just before or during the busy merge
window period. ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc hotfixes from Andrew Morton:
"16 hotfixes. 2 are cc:stable and the remainder address post-6.14
issues or aren't considered necessary for -stable kernels.
All patches are basically for MM although five are alterations to
MAINTAINERS"
[ Basic counting skills are clearly not a strictly necessary requirement
for kernel maintainers. - Linus ]
* tag 'mm-hotfixes-stable-2025-04-19-21-24' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
MAINTAINERS: add section for locking of mm's and VMAs
mm: vmscan: fix kswapd exit condition in defrag_mode
mm: vmscan: restore high-cpu watermark safety in kswapd
MAINTAINERS: add Pedro as reviewer to the MEMORY MAPPING section
mm/memory: move sanity checks in do_wp_page() after mapcount vs. refcount stabilization
mm, hugetlb: increment the number of pages to be reset on HVO
writeback: fix false warning in inode_to_wb()
docs: ABI: replace mcroce@microsoft.com with new Meta address
mm/gup: fix wrongly calculated returned value in fault_in_safe_writeable()
MAINTAINERS: add memory advice section
MAINTAINERS: add mmap trace events to MEMORY MAPPING
mm: memcontrol: fix swap counter leak from offline cgroup
MAINTAINERS: add MM subsection for the page allocator
MAINTAINERS: update SLAB ALLOCATOR maintainers
fs/dax: fix folio splitting issue by resetting old folio order + _nr_pages
mm/page_alloc: fix deadlock on cpu_hotplug_lock in __accept_page()
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git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs fixes from Christian Brauner:
- Revert the hfs{plus} deprecation warning that's also included in this
pull request. The commit introducing the deprecation warning resides
rather early in this branch. So simply dropping it would've rebased
all other commits which I decided to avoid. Hence the revert in the
same branch
[ Background - the deprecation warning discussion resulted in people
stepping up, and so hfs{plus} will have a maintainer taking care of
it after all.. - Linus ]
- Switch CONFIG_SYSFS_SYCALL default to n and decouple from
CONFIG_EXPERT
- Fix an audit bug caused by changes to our kernel path lookup helpers
this cycle. Audit needs the parent path even if the dentry it tried
to look up is negative
- Ensure that the kernel path lookup helpers leave the passed in path
argument clean when they return an error. This is consistent with all
our other helpers
- Ensure that vfs_getattr_nosec() calls bdev_statx() so the relevant
information is available to kernel consumers as well
- Don't set a timer and call schedule() if the timer will expire
immediately in epoll
- Make netfs lookup tables with __nonstring
* tag 'vfs-6.15-rc3.fixes.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
Revert "hfs{plus}: add deprecation warning"
fs: move the bdex_statx call to vfs_getattr_nosec
netfs: Mark __nonstring lookup tables
eventpoll: Set epoll timeout if it's in the future
fs: ensure that *path_locked*() helpers leave passed path pristine
fs: add kern_path_locked_negative()
hfs{plus}: add deprecation warning
Kconfig: switch CONFIG_SYSFS_SYCALL default to n
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
- Address translator: fix wrong include
- ChromeOS EC tunnel: fix potential NULL pointer dereference
* tag 'i2c-for-6.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: atr: Fix wrong include
i2c: cros-ec-tunnel: defer probe if parent EC is not present
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This reverts commit ddee68c499f76ae47c011549df5be53db0057402.
There's ongoing discussion about better maintenance of at least hfsplus.
Rever the deprecation warning for now.
Signed-off-by: Christian Brauner <brauner@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fixes from Steven Rostedt:
- Initialize hash variables in ftrace subops logic
The fix that simplified the ftrace subops logic opened a path where
some variables could be used without being initialized, and done
subtly where the compiler did not catch it. Initialize those
variables to the EMPTY_HASH, which is the default hash.
- Reinitialize the hash pointers after they are freed
Some of the hash pointers in the subop logic were freed but may still
be referenced later. To prevent use-after-free bugs, initialize them
back to the EMPTY_HASH.
- Free the ftrace hashes when they are replaced
The fix that simplified the subops logic updated some hash pointers,
but left the original hash that they were pointing to where they are
no longer used. This caused a memory leak. Free the hashes that are
pointed to by the pointers when they are replaced.
- Fix size initialization of ftrace direct function hash
The ftrace direct function hash used by BPF initialized the hash size
incorrectly. It checked the size of items to a hard coded 32, which
made the hash bit size of 5. The hash size is supposed to be limited
by the bit size of the hash, as the bitmask is allowed to be greater
than 5. Rework the size check to first pass the number of elements to
fls() and then compare that to FTRACE_HASH_MAX_BITS before allocating
the hash.
- Fix format output of ftrace_graph_ent_entry event
The field depth of the ftrace_graph_ent_entry event is of size 4 but
the output showed it as unsigned long and use "%lu". Change it to
unsigned int and use "%u" in the print format that is displayed to
user space.
- Fix the trace event filter on strings
Events can be filtered on numbers or string values. The return value
checked from strncpy_from_kernel_nofault() and
strncpy_from_user_nofault() was used to determine if reading the
strings would fault or not. It would return fault if the value was
non zero, which is basically meant that it was always considering the
read as a fault.
- Add selftest to test trace event string filtering
In order to catch the breakage of the string filtering, add a self
test to make sure that it continues to work.
* tag 'trace-v6.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing: selftests: Add testing a user string to filters
tracing: Fix filter string testing
ftrace: Fix type of ftrace_graph_ent_entry.depth
ftrace: fix incorrect hash size in register_ftrace_direct()
ftrace: Free ftrace hashes after they are replaced in the subops code
ftrace: Reinitialize hash to EMPTY_HASH after freeing
ftrace: Initialize variables for ftrace_startup/shutdown_subops()
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git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd fixes from Chuck Lever:
- v6.15 libcrc clean-up makes invalid configurations possible
- Fix a potential deadlock introduced during the v6.15 merge window
* tag 'nfsd-6.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
nfsd: decrease sc_count directly if fail to queue dl_recall
nfs: add missing selections of CONFIG_CRC32
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git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux
Pull rust fixes from Miguel Ojeda:
"Toolchain and infrastructure:
- Fix missing KASAN LLVM flags on first build (and fix spurious
rebuilds) by skipping '--target'
- Fix Make < 4.3 build error by using '$(pound)'
- Fix UML build error by removing 'volatile' qualifier from io
helpers
- Fix UML build error by adding 'dma_{alloc,free}_attrs()' helpers
- Clean gendwarfksyms warnings by avoiding to export '__pfx' symbols
- Clean objtool warning by adding a new 'noreturn' function for
1.86.0
- Disable 'needless_continue' Clippy lint due to new 1.86.0 warnings
- Add missing 'ffi' crate to 'generate_rust_analyzer.py'
'pin-init' crate:
- Import a couple fixes from upstream"
* tag 'rust-fixes-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux:
rust: helpers: Add dma_alloc_attrs() and dma_free_attrs()
rust: helpers: Remove volatile qualifier from io helpers
rust: kbuild: use `pound` to support GNU Make < 4.3
objtool/rust: add one more `noreturn` Rust function for Rust 1.86.0
rust: kasan/kbuild: fix missing flags on first build
rust: disable `clippy::needless_continue`
rust: kbuild: Don't export __pfx symbols
rust: pin-init: use Markdown autolinks in Rust comments
rust: pin-init: alloc: restrict `impl ZeroableOption` for `Box` to `T: Sized`
scripts: generate_rust_analyzer: Add ffi crate
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Pull drm fixes from Dave Airlie:
"Easter rc3 pull request, fixes in all the usuals, amdgpu, xe, msm,
with some i915/ivpu/mgag200/v3d fixes, then a couple of bits in
dma-buf/gem.
Hopefully has no easter eggs in it.
dma-buf:
- Correctly decrement refcounter on errors
gem:
- Fix test for imported buffers
amdgpu:
- Cleaner shader sysfs fix
- Suspend fix
- Fix doorbell free ordering
- Video caps fix
- DML2 memory allocation optimization
- HDP fix
i915:
- Fix DP DSC configurations that require 3 DSC engines per pipe
xe:
- Fix LRC address being written too late for GuC
- Fix notifier vs folio deadlock
- Fix race betwen dma_buf unmap and vram eviction
- Fix debugfs handling PXP terminations unconditionally
msm:
- Display:
- Fix to call dpu_plane_atomic_check_pipe() for both SSPPs in
case of multi-rect
- Fix to validate plane_state pointer before using it in
dpu_plane_virtual_atomic_check()
- Fix to make sure dereferencing dpu_encoder_phys happens after
making sure it is valid in _dpu_encoder_trigger_start()
- Remove the remaining intr_tear_rd_ptr which we initialized to
-1 because NO_IRQ indices start from 0 now
- GPU:
- Fix IB_SIZE overflow
ivpu:
- Fix debugging
- Fixes to frequency
- Support firmware API 3.28.3
- Flush jobs upon reset
mgag200:
- Set vblank start to correct values
v3d:
- Fix Indirect Dispatch"
* tag 'drm-fixes-2025-04-19' of https://gitlab.freedesktop.org/drm/kernel: (26 commits)
drm/msm/a6xx+: Don't let IB_SIZE overflow
drm/xe/pxp: do not queue unneeded terminations from debugfs
drm/xe/dma_buf: stop relying on placement in unmap
drm/xe/userptr: fix notifier vs folio deadlock
drm/xe: Set LRC addresses before guc load
drm/mgag200: Fix value in <VBLKSTR> register
drm/gem: Internally test import_attach for imported objects
drm/amdgpu: Use the right function for hdp flush
drm/amd/display/dml2: use vzalloc rather than kzalloc
drm/amdgpu: Add back JPEG to video caps for carrizo and newer
drm/amdgpu: fix warning of drm_mm_clean
drm/amd: Forbid suspending into non-default suspend states
drm/amdgpu: use a dummy owner for sysfs triggered cleaner shaders v4
drm/i915/dp: Check for HAS_DSC_3ENGINES while configuring DSC slices
drm/i915/display: Add macro for checking 3 DSC engines
dma-buf/sw_sync: Decrement refcount on error in sw_sync_ioctl_get_deadline()
accel/ivpu: Add cmdq_id to job related logs
accel/ivpu: Show NPU frequency in sysfs
accel/ivpu: Fix the NPU's DPU frequency calculation
accel/ivpu: Update FW Boot API to version 3.28.3
...
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https://gitlab.freedesktop.org/drm/msm into drm-fixes
Fixes for v6.15-rc3
Display:
- Fix to call dpu_plane_atomic_check_pipe() for both SSPPs in
case of multi-rect
- Fix to validate plane_state pointer before using it in
dpu_plane_virtual_atomic_check()
- Fix to make sure dereferencing dpu_encoder_phys happens after
making sure it is valid in _dpu_encoder_trigger_start()
- Remove the remaining intr_tear_rd_ptr which we initialized
to -1 because NO_IRQ indices start from 0 now
GPU:
- Fix IB_SIZE overflow
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rob Clark <robdclark@gmail.com>
Link: https://lore.kernel.org/r/CAF6AEGtVKXEVdzUzFWmQE8JmK3nx_hp+ynOd-5j3vnfcU-sgOA@mail.gmail.com
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https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes
Driver Changes:
- Fix LRC address being written too late for GuC
- Fix notifier vs folio deadlock
- Fix race betwen dma_buf unmap and vram eviction
- Fix debugfs handling PXP terminations unconditionally
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://lore.kernel.org/r/ndinq644zenywaaycxyfqqivsb2xer4z7err3dlpalbz33jfkm@ttabzsg6wnet
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Pull smb client fixes from Steve French:
- Fix hard link lease key problem when close is deferred
- Revert the socket lockdep/refcount workarounds done in cifs.ko now
that it is fixed at the socket layer
* tag '6.15-rc2-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
Revert "smb: client: fix TCP timers deadlock after rmmod"
Revert "smb: client: Fix netns refcount imbalance causing leaks and use-after-free"
smb3 client: fix open hardlink on deferred close file error
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IB_SIZE is only b0..b19. Starting with a6xx gen3, additional fields
were added above the IB_SIZE. Accidentially setting them can cause
badness. Fix this by properly defining the CP_INDIRECT_BUFFER packet
and using the generated builder macro to ensure unintended bits are not
set.
v2: add missing type attribute for IB_BASE
v3: fix offset attribute in xml
Reported-by: Connor Abbott <cwabbott0@gmail.com>
Fixes: a83366ef19ea ("drm/msm/a6xx: add A640/A650 to gpulist")
Signed-off-by: Rob Clark <robdclark@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/643396/
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git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-current
i2c-host-fixes for v6.15-rc3
- ChromeOS EC tunnel: fix potential NULL pointer dereference
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc x86 fixes from Ingo Molnar:
- Fix hypercall detection on Xen guests
- Extend the AMD microcode loader SHA check to Zen5, to block loading
of any unreleased standalone Zen5 microcode patches
- Add new Intel CPU model number for Bartlett Lake
- Fix the workaround for AMD erratum 1054
- Fix buggy early memory acceptance between SEV-SNP guests and the EFI
stub
* tag 'x86-urgent-2025-04-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/boot/sev: Avoid shared GHCB page for early memory acceptance
x86/cpu/amd: Fix workaround for erratum 1054
x86/cpu: Add CPU model number for Bartlett Lake CPUs with Raptor Cove cores
x86/microcode/AMD: Extend the SHA check to Zen5, block loading of any unreleased standalone Zen5 microcode patches
x86/xen: Fix __xen_hypercall_setfunc()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Ingo Molnar:
"Fix a lockdep false positive in the i8253 driver"
* tag 'timers-urgent-2025-04-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/i8253: Call clockevent_i8253_disable() with interrupts disabled
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 perf event fixes from Ingo Molnar:
"Miscellaneous fixes and a hardware-enabling change:
- Fix Intel uncore PMU IIO free running counters on SPR, ICX and SNR
systems
- Fix Intel PEBS buffer overflow handling
- Fix skid in Intel PEBS sampling of user-space general purpose
registers
- Enable Panther Lake PMU support - similar to Lunar Lake"
* tag 'perf-urgent-2025-04-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/intel: Add Panther Lake support
perf/x86/intel: Allow to update user space GPRs from PEBS records
perf/x86/intel: Don't clear perf metrics overflow bit unconditionally
perf/x86/intel/uncore: Fix the scale of IIO free running counters on SPR
perf/x86/intel/uncore: Fix the scale of IIO free running counters on ICX
perf/x86/intel/uncore: Fix the scale of IIO free running counters on SNR
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc irq fixes from Ingo Molnar:
- Fix BCM2712 irqchip driver Kconfig dependencies required on the
Raspberry PI5
- Fix spurious interrupts on RZ/G3E SMARC EVK systems
- Fix crash regression on Sun/NIU hardware
- Apply MSI driver quirk for Sun Neptune chips
* tag 'irq-urgent-2025-04-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/irq-bcm2712-mip: Enable driver when ARCH_BCM2835 is enabled
irqchip/renesas-rzv2h: Prevent TINT spurious interrupt
net/niu: Niu requires MSIX ENTRY_DATA fields touch before entry reads
PCI/MSI: Add an option to write MSIX ENTRY_DATA before any reads
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc core fixes from Ingo Molnar:
"Fix a genksyms related bug, triggered by recent changes to the percpu
code, and update the .clang-format file to not include obsolete
function names"
* tag 'core-urgent-2025-04-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genksyms: Handle typeof_unqual keyword and __seg_{fs,gs} qualifiers
clang-format: Update the ForEachMacros list for v6.15-rc1
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git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull hardening fixes from Kees Cook:
- lib/prime_numbers: KUnit test should not select PRIME_NUMBERS (Geert
Uytterhoeven)
- ubsan: Fix panic from test_ubsan_out_of_bounds (Mostafa Saleh)
- ubsan: Remove 'default UBSAN' from UBSAN_INTEGER_WRAP (Nathan
Chancellor)
- string: Add load_unaligned_zeropad() code path to sized_strscpy()
(Peter Collingbourne)
- kasan: Add strscpy() test to trigger tag fault on arm64 (Vincenzo
Frascino)
- Disable GCC randstruct for COMPILE_TEST
* tag 'hardening-v6.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
lib/prime_numbers: KUnit test should not select PRIME_NUMBERS
ubsan: Fix panic from test_ubsan_out_of_bounds
lib/Kconfig.ubsan: Remove 'default UBSAN' from UBSAN_INTEGER_WRAP
hardening: Disable GCC randstruct for COMPILE_TEST
kasan: Add strscpy() test to trigger tag fault on arm64
string: Add load_unaligned_zeropad() code path to sized_strscpy()
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fix from Bartosz Golaszewski:
- check for both the new AND old (deprecated) setter callback when
changing GPIO direction to output
* tag 'gpio-fixes-for-v6.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpiolib: Allow to use setters with return value for output-only gpios
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control fixes from Rafael Wysocki:
"Add missing DVFS support flags for the Lunar Lake and Panther Lake
platforms to the int340x Intel thermal driver and fix DLVR support
for Panther Lake in it (Srinivas Pandruvada)"
* tag 'thermal-6.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: intel: int340x: Fix Panther Lake DLVR support
thermal: intel: int340x: Add missing DVFS support flags
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These are mostly cpufreq fixes, some of which address recent
regressions and some address older issues that have come to light
during the last two weeks, and a runtime PM documentation correction:
- Fix the performance-to-frequency scaling factor computation on
systems using HWP in the intel_pstate driver after a recent
incorrect update of it (Rafael Wysocki)
- Fix the usage of the CPUFREQ_NEED_UPDATE_LIMITS cpufreq driver flag
in the schedutil cpufreq governor after a recent update of it that
has caused frequency limits changes to be missed sometimes (Rafael
Wysocki)
- Address some recently discovered synchronization issues related to
frequency limits changes in the schedutil cpufreq governor and in
the cpufreq core (Rafael Wysocki)
- Fix ITMT support in the amd-pstate cpufreq driver so that it is
enabled after asym priorities have been correctly initialized for
all CPUs (K Prateek Nayak)
- Fix changing min/max limits in the amd-pstate cpufreq driver while
on the performance governor (Dhananjay Ugwekar)
- Fix a function name in the runtime PM documentation that was
previously incorrectly updated by mistake (Sakari Ailus)"
* tag 'pm-6.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: Avoid using inconsistent policy->min and policy->max
cpufreq/sched: Set need_freq_update in ignore_dl_rate_limit()
cpufreq/sched: Explicitly synchronize limits_changed flag handling
cpufreq/sched: Fix the usage of CPUFREQ_NEED_UPDATE_LIMITS
Documentation: PM: runtime: Fix a reference to pm_runtime_autosuspend()
cpufreq: intel_pstate: Fix hwp_get_cpu_scaling()
cpufreq/amd-pstate: Enable ITMT support after initializing core rankings
cpufreq/amd-pstate: Fix min_limit perf and freq updation for performance governor
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Merge a runtime PM documentation correction for 6.15-rc3.
* pm-docs:
Documentation: PM: runtime: Fix a reference to pm_runtime_autosuspend()
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- A fix for an issue where C instructions ended up in non-C builds, due
to some broken inline assembly in the KGDB breakpoint insertion code
- A fix to avoid spurious printk messages about misaligned access
performance probing
- A fix for a handful of issues with /proc/iomem's reserved region
handling
- A pair of fixes for module relocation processing
- A few build-time fixes
* tag 'riscv-for-linus-6.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: KGDB: Remove ".option norvc/.option rvc" for kgdb_compiled_break
riscv: KGDB: Do not inline arch_kgdb_breakpoint()
riscv: Avoid fortify warning in syscall_get_arguments()
riscv: Provide all alternative macros all the time
riscv: module: Allocate PLT entries for R_RISCV_PLT32
riscv: module: Fix out-of-bounds relocation access
riscv: Properly export reserved regions in /proc/iomem
riscv: Fix unaligned access info messages
riscv: Avoid fortify warning in syscall_get_arguments()
Documentation: riscv: Fix typo MIMPLID -> MIMPID
riscv: Use kvmalloc_array on relocation_hashtable
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kunit fix from Shuah Khan:
"Fixes arch sh kunit qemu_configs script sh.py to honor kunit cmdline"
* tag 'linux_kselftest-kunit-fixes-6.15-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
kunit: qemu_configs: SH: Respect kunit cmdline
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