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Similar to charge_behaviour, charge_types is an enum option where
reading the property shows the supported values, with the active value
surrounded by brackets. To be able to use it with a power_supply
extension a bitmask with the supported charge_Types values has to be
added to power_supply_ext.
Signed-off-by: Jelle van der Waa <jvanderwaa@redhat.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20250414131840.382756-2-jvanderwaa@redhat.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth
Luiz Augusto von Dentz says:
====================
bluetooth pull request for net:
- btmtksdio: Check function enabled before doing close
- btmtksdio: Do close if SDIO card removed without close
- btusb: avoid NULL pointer dereference in skb_dequeue()
- btintel_pcie: Avoid redundant buffer allocation
- btintel_pcie: Add additional to checks to clear TX/RX paths
- hci_conn: Fix not setting conn_timeout for Broadcast Receiver
- hci_conn: Fix not setting timeout for BIG Create Sync
* tag 'for-net-2025-04-25' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth:
Bluetooth: L2CAP: copy RX timestamp to new fragments
Bluetooth: btintel_pcie: Add additional to checks to clear TX/RX paths
Bluetooth: btmtksdio: Do close if SDIO card removed without close
Bluetooth: btmtksdio: Check function enabled before doing close
Bluetooth: btusb: avoid NULL pointer dereference in skb_dequeue()
Bluetooth: btintel_pcie: Avoid redundant buffer allocation
Bluetooth: hci_conn: Fix not setting timeout for BIG Create Sync
Bluetooth: hci_conn: Fix not setting conn_timeout for Broadcast Receiver
====================
Link: https://patch.msgid.link/20250425192412.1578759-1-luiz.dentz@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The phy-upstream enum is already defined in the ethtool.h UAPI header
and used by the ethtool userspace tool. However, the ethtool spec does
not reference it, causing YNL to auto-generate a duplicate and redundant
enum.
Fix this by updating the spec to reference the existing UAPI enum
in ethtool.h.
Signed-off-by: Kory Maincent <kory.maincent@bootlin.com>
Link: https://patch.msgid.link/20250425171419.947352-1-kory.maincent@bootlin.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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nf_tables picks a suitable set backend implementation (bitmap, hash,
rbtree..) based on the userspace requirements.
Figuring out the chosen backend requires information about the set flags
and the kernel version. Export this to userspace so nft can include this
information in '--debug=netlink' output.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The "noqueue" qdisc can either be directly attached, or get default
attached if net_device priv_flags has IFF_NO_QUEUE. In both cases, the
allocated Qdisc structure gets it's enqueue function pointer reset to
NULL by noqueue_init() via noqueue_qdisc_ops.
This is a common case for software virtual net_devices. For these devices
with no-queue, the transmission path in __dev_queue_xmit() will bypass
the qdisc layer. Directly invoking device drivers ndo_start_xmit (via
dev_hard_start_xmit). In this mode the device driver is not allowed to
ask for packets to be queued (either via returning NETDEV_TX_BUSY or
stopping the TXQ).
The simplest and most reliable way to identify this no-queue case is by
checking if enqueue == NULL.
The vrf driver currently open-codes this check (!qdisc->enqueue). While
functionally correct, this low-level detail is better encapsulated in a
dedicated helper for clarity and long-term maintainability.
To make this behavior more explicit and reusable, this patch introduce a
new helper: qdisc_txq_has_no_queue(). Helper will also be used by the
veth driver in the next patch, which introduces optional qdisc-based
backpressure.
This is a non-functional change.
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: Jesper Dangaard Brouer <hawk@kernel.org>
Link: https://patch.msgid.link/174559293172.827981.7583862632045264175.stgit@firesoul
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The 20 byte length of struct platform_device_id::name is not long enough
for many devices (especially regulators), where the string initialization
is getting truncated and missing the trailing NUL byte. This is seen
with GCC 15's -Wunterminated-string-initialization option:
drivers/regulator/hi6421v530-regulator.c:189:19: warning: initializer-string for array of 'char' truncates NUL terminator but destination lacks 'nonstring' attribute (21 chars into 20 available) [-Wunterminated-string-initialization]
189 | { .name = "hi6421v530-regulator" },
| ^~~~~~~~~~~~~~~~~~~~~~
drivers/regulator/hi6421v600-regulator.c:278:19: warning: initializer-string for array of 'char' truncates NUL terminator but destination lacks 'nonstring' attribute (21 chars into 20 available) [-Wunterminated-string-initialization]
278 | { .name = "hi6421v600-regulator" },
| ^~~~~~~~~~~~~~~~~~~~~~
drivers/regulator/lp87565-regulator.c:233:11: warning: initializer-string for array of 'char' truncates NUL terminator but destination lacks 'nonstring' attribute (21 chars into 20 available) [-Wunterminated-string-initialization]
233 | { "lp87565-q1-regulator", },
| ^~~~~~~~~~~~~~~~~~~~~~
sound/soc/fsl/imx-pcm-rpmsg.c:818:19: warning: initializer-string for array of 'char' truncates NUL terminator but destination lacks 'nonstring' attribute (21 chars into 20 available) [-Wunterminated-string-initialization]
818 | { .name = "rpmsg-micfil-channel" },
| ^~~~~~~~~~~~~~~~~~~~~~
drivers/iio/light/hid-sensor-als.c:457:25: warning: initializer-string for array of 'char' truncates NUL terminator but destination lacks 'nonstring' attribute (21 chars into 20 available) [-Wunterminated-string-initialization]
457 | .name = "HID-SENSOR-LISS-0041",
| ^~~~~~~~~~~~~~~~~~~~~~
drivers/iio/light/hid-sensor-prox.c:366:25: warning: initializer-string for array of 'char' truncates NUL terminator but destination lacks 'nonstring' attribute (21 chars into 20 available) [-Wunterminated-string-initialization]
366 | .name = "HID-SENSOR-LISS-0226",
| ^~~~~~~~~~~~~~~~~~~~~~
Increase the length to 24, slightly more than is currently being used by
the affected drivers. The string is used in '%s' format strings and via
the module code, which appears to do its own length encoding. This size
was chosen because there was already a 4 byte hole in the structure:
struct platform_device_id {
char name[20]; /* 0 20 */
/* XXX 4 bytes hole, try to pack */
kernel_ulong_t driver_data; /* 24 8 */
/* size: 32, cachelines: 1, members: 2 */
/* sum members: 28, holes: 1, sum holes: 4 */
/* last cacheline: 32 bytes */
};
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20250415231420.work.066-kees@kernel.org
Signed-off-by: Kees Cook <kees@kernel.org>
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Mention the use of __member_size() for DEFINE_FLEX variables as a hint
for getting at the compile-time size of the resulting flexible array
member.
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: https://lore.kernel.org/r/20250416172911.work.854-kees@kernel.org
Signed-off-by: Kees Cook <kees@kernel.org>
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Clarify when __builtin_dynamic_object_size() is available. All our
supported Clang versions support it. GCC 12 and later support it. Link
to documentation for both.
Acked-by: Miguel Ojeda <ojeda@kernel.org>
Link: https://lore.kernel.org/r/20250416172016.work.154-kees@kernel.org
Signed-off-by: Kees Cook <kees@kernel.org>
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Additional backmerge to avoid excessive diffstats when
sending PR.
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
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Cross-merge bpf and other fixes after downstream PRs.
No conflicts.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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The folio equivalent of memcpy_page(). It should correctly and
efficiently manage large folios:
- If one, neither or both is highmem
- If (either or both) offset+len crosses a page boundary
- If the two offsets are congruent or not
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Document the MASTER_APSS_NOC interconnect node for the SM8650
SoC system NoC.
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Acked-by: "Rob Herring (Arm)" <robh@kernel.org>
Link: https://lore.kernel.org/r/20250415-topic-sm8650-upstream-icc-apss-noc-v1-1-9e6bea3943d8@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
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ACPICA commit 48e7c4cd893270dab8d05e6d75fbf23d0fcbb267
Commit a025731aec31 ("Restructure ACPI table files") restructed the
header files and moved lots of tables that are in the ACPI specification
to actbl2.h(e.g.: APIC/MADT, PCCT, PPTT, ..etc).
This restructure made the comment stating this header file contains tables
that are not in the ACPI specification incorrect. From that commit onwards
it has remained as stale. Let us get rid of it as it might be misleading.
Link: https://github.com/acpica/acpica/commit/48e7c4cd
Reported-by: Sahil Kaushal <sahil.kaushal@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://patch.msgid.link/6168200.lOV4Wx5bFT@rjwysocki.net
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Commit 7491cdf46b5c ("cpufreq: Avoid using inconsistent policy->min and
policy->max") overlooked the fact that policy->min and policy->max were
accessed directly in cpufreq_frequency_table_target() and in the
functions called by it. Consequently, the changes made by that commit
led to problems with setting policy limits.
Address this by passing the target frequency limits to __resolve_freq()
and cpufreq_frequency_table_target() and propagating them to the
functions called by the latter.
Fixes: 7491cdf46b5c ("cpufreq: Avoid using inconsistent policy->min and policy->max")
Cc: 5.16+ <stable@vger.kernel.org> # 5.16+
Closes: https://lore.kernel.org/linux-pm/aAplED3IA_J0eZN0@linaro.org/
Reported-by: Stephan Gerhold <stephan.gerhold@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Stephan Gerhold <stephan.gerhold@linaro.org>
Reviewed-by: Lifeng Zheng <zhenglifeng1@huawei.com>
Link: https://patch.msgid.link/5896780.DvuYhMxLoT@rjwysocki.net
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Move the generic part of skcipher walk into scatterwalk, and use
it to implement memcpy_sglist.
This makes memcpy_sglist do the right thing when two distinct SG
lists contain identical subsets (e.g., the AD part of AEAD).
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add a helper to initialise crypto stack requests and use it for
ahash and acomp. Make sure that the flags field is initialised
fully in the helper to silence false-positive warnings from the
compiler.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202504250751.mdy28Ibr-lkp@intel.com/
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Use the Crypto API partial block handling.
The accelerated export format on x86/arm64 is easier to use so
switch the generic polyval algorithm to use that format instead.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add a helper to clone crypto requests and eliminate code duplication.
Use kmemdup in the helper.
Also add an fb field to crypto_tfm.
This also happens to fix the existing implementations which were
buggy.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202504230118.1CxUaUoX-lkp@intel.com/
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202504230004.c7mrY0C6-lkp@intel.com/
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Next up on our list of race windows to close is another one during
iommu_device_register() - it's now OK again for multiple instances to
run their bus_iommu_probe() in parallel, but an iommu_probe_device() can
still also race against a running bus_iommu_probe(). As Johan has
managed to prove, this has now become a lot more visible on DT platforms
wth driver_async_probe where a client driver is attempting to probe in
parallel with its IOMMU driver - although commit b46064a18810 ("iommu:
Handle race with default domain setup") resolves this from the client
driver's point of view, this isn't before of_iommu_configure() has had
the chance to attempt to "replay" a probe that the bus walk hasn't even
tried yet, and so still cause the out-of-order group allocation
behaviour that we're trying to clean up (and now warning about).
The most reliable thing to do here is to explicitly keep track of the
"iommu_device_register() is still running" state, so we can then
special-case the ops lookup for the replay path (based on dev->iommu
again) to let that think it's still waiting for the IOMMU driver to
appear at all. This still leaves the longstanding theoretical case of
iommu_bus_notifier() being triggered during bus_iommu_probe(), but it's
not so simple to defer a notifier, and nobody's ever reported that being
a visible issue, so let's quietly kick that can down the road for now...
Reported-by: Johan Hovold <johan@kernel.org>
Fixes: bcb81ac6ae3c ("iommu: Get DT/ACPI parsing into the proper probe path")
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/88d54c1b48fed8279aa47d30f3d75173685bb26a.1745516488.git.robin.murphy@arm.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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fsl_pamu is the last user of domain_alloc(), and it is using it to create
something weird that doesn't really fit into the iommu subsystem
architecture. It is a not a paging domain since it doesn't have any
map/unmap ops. It may be some special kind of identity domain.
For now just leave it as is. Wrap it's definition in CONFIG_FSL_PAMU to
discourage any new drivers from attempting to use it.
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/5-v4-ff5fb6b03bd1+288-iommu_virtio_domains_jgg@nvidia.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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virtio-iommu has a mode where the IDENTITY domain is actually a paging
domain with an identity mapping covering some of the system address
space manually created.
To support this add a new domain_alloc_identity() op that accepts
the struct device so that virtio can allocate and fully finalize a
paging domain to return.
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/2-v4-ff5fb6b03bd1+288-iommu_virtio_domains_jgg@nvidia.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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No external drivers use these interfaces anymore. Furthermore, no existing
iommu drivers implement anything in the callbacks. Remove them to avoid
dead code.
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Tested-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Reviewed-by: Nicolin Chen <nicolinc@nvidia.com>
Link: https://lore.kernel.org/r/20250418080130.1844424-9-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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None of the drivers implement anything here anymore, remove the dead code.
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Yi Liu <yi.l.liu@intel.com>
Tested-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Link: https://lore.kernel.org/r/20250418080130.1844424-3-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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We need two patches inside linux-block tree as dependencies of the patch
which will follow this merge.
Specifically, we need:
block: fix race between set_blocksize and read paths
block: hoist block size validation code to a separate function
Signed-off-by: Carlos Maiolino <cem@kernel.org>
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Lei Chen raised an issue with CLOCK_MONOTONIC_COARSE seeing time
inconsistencies. Lei tracked down that this was being caused by the
adjustment:
tk->tkr_mono.xtime_nsec -= offset;
which is made to compensate for the unaccumulated cycles in offset when the
multiplicator is adjusted forward, so that the non-_COARSE clockids don't
see inconsistencies.
However, the _COARSE clockid getter functions use the adjusted xtime_nsec
value directly and do not compensate the negative offset via the
clocksource delta multiplied with the new multiplicator. In that case the
caller can observe time going backwards in consecutive calls.
By design, this negative adjustment should be fine, because the logic run
from timekeeping_adjust() is done after it accumulated approximately
multiplicator * interval_cycles
into xtime_nsec. The accumulated value is always larger then the
mult_adj * offset
value, which is subtracted from xtime_nsec. Both operations are done
together under the tk_core.lock, so the net change to xtime_nsec is always
always be positive.
However, do_adjtimex() calls into timekeeping_advance() as well, to
apply the NTP frequency adjustment immediately. In this case,
timekeeping_advance() does not return early when the offset is smaller
then interval_cycles. In that case there is no time accumulated into
xtime_nsec. But the subsequent call into timekeeping_adjust(), which
modifies the multiplicator, subtracts from xtime_nsec to correct for the
new multiplicator.
Here because there was no accumulation, xtime_nsec becomes smaller than
before, which opens a window up to the next accumulation, where the
_COARSE clockid getters, which don't compensate for the offset, can
observe the inconsistency.
This has been tried to be fixed by forwarding the timekeeper in the case
that adjtimex() adjusts the multiplier, which resets the offset to zero:
757b000f7b93 ("timekeeping: Fix possible inconsistencies in _COARSE clockids")
That works correctly, but unfortunately causes a regression on the
adjtimex() side. There are two issues:
1) The forwarding of the base time moves the update out of the original
period and establishes a new one.
2) The clearing of the accumulated NTP error is changing the behaviour as
well.
User-space expects that multiplier/frequency updates are in effect, when the
syscall returns, so delaying the update to the next tick is not solving the
problem either.
Commit 757b000f7b93 was reverted so that the established expectations of
user space implementations (ntpd, chronyd) are restored, but that obviously
brought the inconsistencies back.
One of the initial approaches to fix this was to establish a separate
storage for the coarse time getter nanoseconds part by calculating it from
the offset. That was dropped on the floor because not having yet another
state to maintain was simpler. But given the result of the above exercise,
this solution turns out to be the right one. Bring it back in a slightly
modified form.
Thus introduce timekeeper::coarse_nsec and store that nanoseconds part in
it, switch the time getter functions and the VDSO update to use that value.
coarse_nsec is set on operations which forward or initialize the timekeeper
and after time was accumulated during a tick. If there is no accumulation
the timestamp is unchanged.
This leaves the adjtimex() behaviour unmodified and prevents coarse time
from going backwards.
[ jstultz: Simplified the coarse_nsec calculation and kept behavior so
coarse clockids aren't adjusted on each inter-tick adjtimex
call, slightly reworked the comments and commit message ]
Fixes: da15cfdae033 ("time: Introduce CLOCK_REALTIME_COARSE")
Reported-by: Lei Chen <lei.chen@smartx.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Stultz <jstultz@google.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/all/20250419054706.2319105-1-jstultz@google.com
Closes: https://lore.kernel.org/lkml/20250310030004.3705801-1-lei.chen@smartx.com/
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We need the USB fixes in here as well, and this resolves the following
merge conflicts that were reported in linux-next:
drivers/usb/chipidea/ci_hdrc_imx.c
drivers/usb/host/xhci.h
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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SPI operations have been initially described through macros implicitly
implying the use of a single SPI SDR bus. Macros for supporting dual and
quad I/O transfers have been added on top, generally inspired by vendor
vendor naming, followed by DTR operations. Soon we might see octal
and even octal DTR operations as well (including the opcode byte).
Let's clarify what the macro really means by describing the expected bus
topology in the reset macro name.
Reviewed-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/brgl/linux into driver-core-next
Immutable tag for the driver core tree to pull from
devres: Move devm_*_action*() APIs to devres.h
devres: Add devm_is_action_added() helper
* tag 'gpiod-devm-is-action-added-for-v6.16-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
devres: Add devm_is_action_added() helper
devres: Move devm_*_action*() APIs to devres.h
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We need the tty/serial fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We need the driver core fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We need the char-misc fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Immutable tag for the driver core tree to pull from
devres: Move devm_*_action*() APIs to devres.h
devres: Add devm_is_action_added() helper
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In some code we would like to know if the action in device managed resources
was added by devm_add_action() family of calls. Introduce a helper for that.
Reviewed-by: Raag Jadav <raag.jadav@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Zijun Hu <quic_zijuhu@quicinc.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20250220162238.2738038-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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We have a newly created header linux/device/devres.h that gathers
device managed APIs, so users won't need to include entire device.h
for only these ones. Move devm_*_action*() APIs to devres.h as well.
Reviewed-by: Raag Jadav <raag.jadav@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Zijun Hu <quic_zijuhu@quicinc.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20250220162238.2738038-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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Add cpucl0 clock definitions.
CPUCL0 refers to CPU Cluster 0, which provide clock support
for the CPUs on Exynosauto V920 SoC.
Signed-off-by: Shin Son <shin.son@samsung.com>
Link: https://lore.kernel.org/r/20250423044153.1288077-2-shin.son@samsung.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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Try replacing any decomposed Unicode sequence by the corresponding
recomposed code point. Code point to glyph correspondance works best
after recomposition, and this apply mostly to single-width code points
therefore we can't preserve them in their decomposed form anyway.
Signed-off-by: Nicolas Pitre <npitre@baylibre.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20250417184849.475581-10-nico@fluxnic.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This removes the table from ucs.c and substitutes the generated tables
from ucs_width_table.h providing comprehensive ranges for double-width
and zero-width Unicode code points.
Also implements ucs_is_zero_width() to query the new zero-width table.
Signed-off-by: Nicolas Pitre <npitre@baylibre.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20250417184849.475581-7-nico@fluxnic.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Zero-width Unicode code points are causing misalignment in vertically
aligned content, disrupting the visual layout. Let's handle zero-width
code points more intelligently.
Double-width code points are stored in the screen grid followed by a white
space code point to create the expected screen layout. When a double-width
code point is followed by a zero-width code point in the console incoming
bytestream (e.g., an emoji with a presentation selector) then we may
replace the white space padding by that zero-width code point instead of
dropping it. This maximize screen content information while preserving
proper layout.
If a zero-width code point is preceded by a single-width code point then
the above trick is not possible and such zero-width code point must
be dropped.
VS16 (Variation Selector 16, U+FE0F) is special as it typically doubles
the width of the preceding single-width code point. We handle that case
by giving VS16 a width of 1 instead of 0 when that happens.
Signed-off-by: Nicolas Pitre <npitre@baylibre.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20250417184849.475581-4-nico@fluxnic.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This will make it easier to maintain. Also make it depend on
CONFIG_CONSOLE_TRANSLATIONS.
Signed-off-by: Nicolas Pitre <npitre@baylibre.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20250417184849.475581-3-nico@fluxnic.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This reverts commit 2acaf27cd7f4f32bfe8bf7335690618e2417e744.
A new version of the series was submitted, so it's easier to revert the
old one and add the new one due to the changes invovled.
Cc: Nicolas Pitre <nico@fluxnic.net>
Cc: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This reverts commit e88391f730e46d208b7fb37b02611d24137af1ef.
A new version of the series was submitted, so it's easier to revert the
old one and add the new one due to the changes invovled.
Cc: Nicolas Pitre <nico@fluxnic.net>
Cc: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This reverts commit 3a1ab63aa05b4736a7d30ae0a769385662f13def.
A new version of the series was submitted, so it's easier to revert the
old one and add the new one due to the changes invovled.
Cc: Nicolas Pitre <nico@fluxnic.net>
Cc: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This reverts commit 54af55b990eda5a6a0140a3cded8094b42c0c3b7.
A new version of the series was submitted, so it's easier to revert the
old one and add the new one due to the changes invovled.
Cc: Nicolas Pitre <nico@fluxnic.net>
Cc: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fold it into pidfd_prepare() and rename PIDFD_CLONE to PIDFD_STALE to
indicate that the passed pid might not have task linkage and no explicit
check for that should be performed.
Link: https://lore.kernel.org/20250425-work-pidfs-net-v2-3-450a19461e75@kernel.org
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Reviewed-by: David Rheinsberg <david@readahead.eu>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Add simple helpers that allow a struct pid to be pinned via a pidfs
dentry/inode. If no pidfs dentry exists a new one will be allocated for
it. A reference is taken by pidfs on @pid. The reference must be
released via pidfs_put_pid().
This will allow AF_UNIX sockets to allocate a dentry for the peer
credentials pid at the time they are recorded where we know the task is
still alive. When the task gets reaped its exit status is guaranteed to
be recorded and a pidfd can be handed out for the reaped task.
Link: https://lore.kernel.org/20250425-work-pidfs-net-v2-1-450a19461e75@kernel.org
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Reviewed-by: David Rheinsberg <david@readahead.eu>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs fixes from Christian Brauner:
- For some reason we went from zero to three maintainers for HFS/HFS+
in a matter of days. The lesson to learn from this might just be that
we need to threaten code removal more often!?
- Fix a regression introduced by enabling large folios for lage logical
block sizes. This has caused issues for noref migration with large
folios due to sleeping while in an atomic context.
New sleeping variants of pagecache lookup helpers are introduced.
These helpers take the folio lock instead of the mapping's private
spinlock. The problematic users are converted to the sleeping
variants and serialize against noref migration. Atomic users will
bail on seeing the new BH_Migrate flag.
This also shrinks the critical region of the mapping's private lock
and the new blocking callers reduce contention on the spinlock for
bdev mappings.
- Fix two bugs in do_move_mount() when with MOVE_MOUNT_BENEATH. The
first bug is using a mountpoint that is located on a mount we're not
holding a reference to. The second bug is putting the mountpoint
after we've called namespace_unlock() as it's no longer guaranteed
that it does stay a mountpoint.
- Remove a pointless call to vfs_getattr_nosec() in the devtmpfs code
just to query i_mode instead of simply querying the inode directly.
This also avoids lifetime issues for the dm code by an earlier bugfix
this cycle that moved bdev_statx() handling into vfs_getattr_nosec().
- Fix AT_FDCWD handling with getname_maybe_null() in the xattr code.
- Fix a performance regression for files when multiple callers issue a
close when it's not the last reference.
- Remove a duplicate noinline annotation from pipe_clear_nowait().
* tag 'vfs-6.15-rc4.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
fs/xattr: Fix handling of AT_FDCWD in setxattrat(2) and getxattrat(2)
MAINTAINERS: hfs/hfsplus: add myself as maintainer
splice: remove duplicate noinline from pipe_clear_nowait
devtmpfs: don't use vfs_getattr_nosec to query i_mode
fix a couple of races in MNT_TREE_BENEATH handling by do_move_mount()
fs: fall back to file_ref_put() for non-last reference
mm/migrate: fix sleep in atomic for large folios and buffer heads
fs/ext4: use sleeping version of sb_find_get_block()
fs/jbd2: use sleeping version of __find_get_block()
fs/ocfs2: use sleeping version of __find_get_block()
fs/buffer: use sleeping version of __find_get_block()
fs/buffer: introduce sleeping flavors for pagecache lookups
MAINTAINERS: add HFS/HFS+ maintainers
fs/buffer: split locking for pagecache lookups
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Pull ceph fixes from Ilya Dryomov:
"A small CephFS encryption-related fix and a dead code cleanup"
* tag 'ceph-for-6.15-rc4' of https://github.com/ceph/ceph-client:
ceph: Fix incorrect flush end position calculation
ceph: Remove osd_client deadcode
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git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull cxl fixes from Dave Jiang:
"The fixes address global persistent flush (GPF) changes and CXL
Features support changes that went in the 6.15 merge window. And also
a fix to an issue observed on CXL 1.1 platform during device
enumeration.
Summary:
- Fix using the wrong GPF DVSEC location:
- Fix caching of dport GPF DVSEC from the first endpoint
- Ensure that the GPF phase timeout is only updated once by first
endpoint
- Drop is_port parameter for cxl_gpf_get_dvsec()
- Fix the devm_* call host device for CXL fwctl setup
- Set the out_len in Set Features failure case
- Fix RCD initialization by skipping unneeded mem_en check"
* tag 'cxl-fixes-6.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl:
cxl/core/regs.c: Skip Memory Space Enable check for RCD and RCH Ports
cxl/feature: Update out_len in set feature failure case
cxl: Fix devm host device for CXL fwctl initialization
cxl/pci: Drop the parameter is_port of cxl_gpf_get_dvsec()
cxl/pci: Update Port GPF timeout only when the first EP attaching
cxl/core: Fix caching dport GPF DVSEC issue
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https://gitlab.freedesktop.org/drm/xe/kernel into drm-next
Core Changes:
Fix drm_gpusvm kernel-doc (Lucas)
Driver Changes:
- Release guc ids before cancelling work (Tejas)
- Remove a duplicated pc_start_call (Rodrigo)
- Fix an incorrect assert in previous userptr fixes (Thomas)
- Remove gen11 assertions and prefixes (Lucas)
- Drop sentinels from arg to xe_rtp_process_to_src (Lucas)
- Temporarily disable D3Cold on BMG (Rodrigo)
- Fix MOCS debugfs LNCF readout (Tvrtko)
- Some ring flush cleanups (Tvrtko)
- Use unsigned int for alignment in fb pinning code (Tvrtko)
- Retry and wait longer for GuC PC start (Rodrigo)
- Recognize 3DSTATE_COARSE_PIXEL in LRC dumps (Matt Roper)
- Remove reduntant check in xe_vm_create_ioctl() (Xin)
- A bunch of SRIOV updates (Michal)
- Add stats for SVM page-faults (Francois)
- Fix an UAF (Harish)
- Expose fan speed (Raag)
- Fix exporting xe buffer objects multiple times (Tomasz)
- Apply a workaround (Vinay)
- Simplify pinned bo iteration (Thomas)
- Remove an incorrect "static" keywork (Lucas)
- Add support for separate firmware files on each GT (Lucas)
- Survivability handling fixes (Lucas)
- Allow to inject error in early probe (Lucas)
- Fix unmet direct dependencies warning (Yue Haibing)
- More error injection during probe (Francois)
- Coding style fix (Maarten)
- Additional stats support (Riana)
- Add fault injection for xe_oa_alloc_regs (Nakshrtra)
- Add a BMG PCI ID (Matt Roper)
- Some SVM fixes and preliminary SVM multi-device work (Thomas)
- Switch the migrate code from drm managed to dev managed (Aradhya)
- Fix an out-of-bounds shift when invalidating TLB (Thomas)
- Ensure fixed_slice_mode gets set after ccs_mode change (Niranjana)
- Use local fence in error path of xe_migrate_clear (Matthew Brost)
- More Workarounds (Julia)
- Define sysfs_ops on all directories (Tejas)
- Set power state to D3Cold during s2idle/s3 (Badal)
- Devcoredump output fix (John)
- Avoid plain 64-bit division (Arnd Bergmann)
- Reword a debug message (John)
- Don't print a hwconfig error message when forcing execlists (Stuart)
- Restore an error code to avoid a smatch warning (Rodrigo)
- Invalidate L3 read-only cachelines for geometry streams too (Kenneth)
- Make PPHWSP size explicit in xe_gt_lrc_size() (Gustavo)
- Add GT frequency events (Vinay)
- Fix xe_pt_stage_bind_walk kerneldoc (Thomas)
- Add a workaround (Aradhya)
- Rework pinned save/restore (Matthew Auld, Matthew Brost)
- Allow non-contig VRAM kernel BO (Matthew Auld)
- Support non-contig VRAM provisioning for SRIOV (Matthew Auld)
- Allow scratch-pages for unmapped parts of page-faulting VMs. (Oak)
- Ensure XE_BO_FLAG_CPU_ADDR_MIRROR had a unique value (Matt Roper)
- Fix taking an invalid lock on wedge (Lucas)
- Configs and documentation for survivability mode (Riana)
- Remove an unused macro (Shuicheng)
- Work around a page-fault full error (Matt Brost)
- Enable a SRIOV workaround (John)
- Bump the recommended GuC version (John)
- Allow to drop VRAM resizing (Lucas)
- Don't expose privileged debugfs files if VF (Michal)
- Don't show GGTT/LMEM debugfs files under media GT (Michal)
- Adjust ring-buffer emission for maximum possible size (Tvrtko)
- Fix notifier vs folio lock deadlock (Matthew Auld)
- Stop relying on placement for dma-buf unmap Matthew Auld)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Hellstrom <thomas.hellstrom@linux.intel.com>
Link: https://lore.kernel.org/r/aADWaEFKVmxSnDLo@fedora
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BIG Create Sync requires the command to just generates a status so this
makes use of __hci_cmd_sync_status_sk to wait for
HCI_EVT_LE_BIG_SYNC_ESTABLISHED, also because of this chance it is not
longer necessary to use a custom method to serialize the process of
creating the BIG sync since the cmd_work_sync itself ensures only one
command would be pending which now awaits for
HCI_EVT_LE_BIG_SYNC_ESTABLISHED before proceeding to next connection.
Fixes: 42ecf1947135 ("Bluetooth: ISO: Do not emit LE BIG Create Sync if previous is pending")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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