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To prepare for removing the exposure of __msi_domain_free_irqs() provide a
post_free() callback in the MSI domain ops which can be used to solve
the problem of the only user of __msi_domain_free_irqs() in arch/powerpc.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Ashok Raj <ashok.raj@intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20221111122014.063153448@linutronix.de
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Nothing outside of the core code requires this.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Ashok Raj <ashok.raj@intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20221111122014.004725919@linutronix.de
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When a range of descriptors is freed then all of them are not associated to
a linux interrupt. Remove the filter and add a warning to the free function.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Ashok Raj <ashok.raj@intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20221111122013.888850936@linutronix.de
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When `timerqueue_getnext()` is called on an empty timer queue, it will
use `rb_entry()` on a NULL pointer, which is invalid. Fix that by using
`rb_entry_safe()` which handles NULL pointers.
This has not caused any issues so far because the offset of the `rb_node`
member in `timerqueue_node` is 0, so `rb_entry()` is essentially a no-op.
Fixes: 511885d7061e ("lib/timerqueue: Rely on rbtree semantics for next timer")
Signed-off-by: Barnabás Pőcze <pobrn@protonmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20221114195421.342929-1-pobrn@protonmail.com
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PIN_CONFIG_BIAS_PULL_DOWN and PIN_CONFIG_BIAS_PULL_UP values can
be custom or an SI unit such as ohms
Signed-off-by: Niyas Sait <niyas.sait@linaro.org>
Link: https://lore.kernel.org/r/20221115175415.650690-3-niyas.sait@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Move the declaration of 'struct trace_array' out of #ifdef
CONFIG_TRACING block, to fix the following warning when CONFIG_TRACING
is not set:
>> include/linux/trace.h:63:45: warning: 'struct trace_array' declared
inside parameter list will not be visible outside of this definition or
declaration
Link: https://lkml.kernel.org/r/20221107160556.2139463-1-shraash@google.com
Fixes: 1a77dd1c2bb5 ("scsi: tracing: Fix compile error in trace_array calls when TRACING is disabled")
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: Arun Easi <aeasi@marvell.com>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Aashish Sharma <shraash@google.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
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As noted by Michal, the blkg_iostat_set's in the lockless list
hold reference to blkg's to protect against their removal. Those
blkg's hold reference to blkcg. When a cgroup is being destroyed,
cgroup_rstat_flush() is only called at css_release_work_fn() which is
called when the blkcg reference count reaches 0. This circular dependency
will prevent blkcg from being freed until some other events cause
cgroup_rstat_flush() to be called to flush out the pending blkcg stats.
To prevent this delayed blkcg removal, add a new cgroup_rstat_css_flush()
function to flush stats for a given css and cpu and call it at the blkgs
destruction path, blkcg_destroy_blkgs(), whenever there are still some
pending stats to be flushed. This will ensure that blkcg reference
count can reach 0 ASAP.
Signed-off-by: Waiman Long <longman@redhat.com>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20221105005902.407297-4-longman@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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The fixp_sin32_rad() contains a call to BUG_ON(). If users of
fixp-arith.h have not included the bug.h prior including the fixp-arith.h
the compiler will not find the BUG_ON. Thus every user of fixp-arith.h
must also include bug.h (or roll own variant of BUG_ON()).
Include bug.h from fixp-arith.h so every user of fixp-arith.h does not
need to include the bug.h prior inclusion of fixp-arith.h
Fixes: 559addc25b00 ("[media] fixp-arith: replace sin/cos table by a better precision one")
Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Link: https://lore.kernel.org/r/Y3SgVdVey9legtX+@dc75zzyyyyyyyyyyyyydt-3.rev.dnainternet.fi
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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There are no external users of this function.
Signed-off-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20221110184501.2451620-4-kbusch@meta.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Device mappers had always been getting the default 511 dma mask, but
the underlying device might have a larger alignment requirement. Since
this value is used to determine alloweable direct-io alignment, this
needs to be a stackable limit.
Signed-off-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20221110184501.2451620-2-kbusch@meta.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Now that dm has been fixed to track of holder registrations before
add_disk, the somewhat buggy block layer code can be safely removed.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20221115141054.1051801-8-yukuai1@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Currently the way polling works on the ring buffer is broken. It will
return immediately if there's any data in the ring buffer whereas a read
will block until the watermark (defined by the tracefs buffer_percent file)
is hit.
That is, a select() or poll() will return as if there's data available,
but then the following read will block. This is broken for the way
select()s and poll()s are supposed to work.
Have the polling on the ring buffer also block the same way reads and
splice does on the ring buffer.
Link: https://lkml.kernel.org/r/20221020231427.41be3f26@gandalf.local.home
Cc: Linux Trace Kernel <linux-trace-kernel@vger.kernel.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Primiano Tucci <primiano@google.com>
Cc: stable@vger.kernel.org
Fixes: 1e0d6714aceb7 ("ring-buffer: Do not wake up a splice waiter when page is not full")
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
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Sbitmap code will need to know how many waiters were actually woken for
its batched wakeups implementation. Return the number of woken
exclusive waiters from __wake_up() to facilitate that.
Suggested-by: Jan Kara <jack@suse.cz>
Signed-off-by: Gabriel Krisman Bertazi <krisman@suse.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20221115224553.23594-3-krisman@suse.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Introduce a helper mempool_is_saturated(), which tells if the mempool is
under-filled or not. We need it to figure out whether it should be
freed right into the mempool or could be cached with top level caches.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/636aed30be8c35d78f45e244998bc6209283cccc.1667384020.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Support the kernel's nomodeset parameter for all PCI-based fbdev
drivers that use aperture helpers to remove other, hardware-agnostic
graphics drivers.
The parameter is a simple way of using the firmware-provided scanout
buffer if the hardware's native driver is broken. The same effect
could be achieved with per-driver options, but the importance of the
graphics output for many users makes a single, unified approach
worthwhile.
With nomodeset specified, the fbdev driver module will not load. This
unifies behavior with similar DRM drivers. In DRM helpers, modules
first check the nomodeset parameter before registering the PCI
driver. As fbdev has no such module helpers, we have to modify each
driver individually.
The name 'nomodeset' is slightly misleading, but has been chosen for
historical reasons. Several drivers implemented it before it became a
general option for DRM. So keeping the existing name was preferred over
introducing a new one.
v2:
* print a warning if a driver does not init (Helge)
* wrap video_firmware_drivers_only() in helper
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221111133024.9897-3-tzimmermann@suse.de
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Schedule the deferred-I/O worker instead of the damage worker after
writing to the fbdev framebuffer. The deferred-I/O worker then performs
the dirty-fb update. The fbdev emulation will initialize deferred I/O
for all drivers that require damage updates. It is therefore a valid
assumption that the deferred-I/O worker is present.
It would be possible to perform the damage handling directly from within
the write operation. But doing this could increase the overhead of the
write or interfere with a concurrently scheduled deferred-I/O worker.
Instead, scheduling the deferred-I/O worker with its regular delay of
50 ms removes load off the write operation and allows the deferred-I/O
worker to handle multiple write operations that arrived during the delay
time window.
v3:
* remove unused variable (lkp)
v2:
* keep drm_fb_helper_damage() (Daniel)
* use fb_deferred_io_schedule_flush() (Daniel)
* clarify comments (Daniel)
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20221115115819.23088-6-tzimmermann@suse.de
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user_regset_copyin_ignore() apparently cannot fail and so always returns 0.
Let's make this function return *void* instead of *int*...
Link: https://lkml.kernel.org/r/20221014212235.10770-14-s.shtylyov@omp.ru
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Cc: Brian Cain <bcain@quicinc.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: David S. Miller <davem@davemloft.net>
Cc: Dinh Nguyen <dinguyen@kernel.org>
Cc: Helge Deller <deller@gmx.de>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Jonas Bonn <jonas@southpole.se>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Rich Felker <dalias@libc.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Stafford Horne <shorne@gmail.com>
Cc: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Will Deacon <will@kernel.org>
Cc: Yoshinori Sato <ysato@users.osdn.me>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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While the specification allows devices to either deallocate data
or to actually write zeroes on any Write Zeroes command, many SSDs
only do the sensible thing and deallocate data when the DEAC bit
is specific. Set it when it is supported and the caller doesn't
explicitly opt out of deallocation.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
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Currently both io and admin commands are kept under a
coarse-granular CAP_SYS_ADMIN check, disregarding file mode completely.
$ ls -l /dev/ng*
crw-rw-rw- 1 root root 242, 0 Sep 9 19:20 /dev/ng0n1
crw------- 1 root root 242, 1 Sep 9 19:20 /dev/ng0n2
In the example above, ng0n1 appears as if it may allow unprivileged
read/write operation but it does not and behaves same as ng0n2.
This patch implements a shift from CAP_SYS_ADMIN to more fine-granular
control for io-commands.
If CAP_SYS_ADMIN is present, nothing else is checked as before.
Otherwise, following rules are in place
- any admin-cmd is not allowed
- vendor-specific and fabric commmand are not allowed
- io-commands that can write are allowed if matching FMODE_WRITE
permission is present
- io-commands that read are allowed
Add a helper nvme_cmd_allowed that implements above policy.
Change all the callers of CAP_SYS_ADMIN to go through nvme_cmd_allowed
for any decision making.
Since file open mode is counted for any approval/denial, change at
various places to keep file-mode information handy.
Signed-off-by: Kanchan Joshi <joshi.k@samsung.com>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Pull VFIO fixes from Alex Williamson:
- Fixes for potential container registration leak for drivers not
implementing a close callback, duplicate container de-registrations,
and a regression in support for bus reset on last device close from
a device set (Anthony DeRossi)
* tag 'vfio-v6.1-rc6' of https://github.com/awilliam/linux-vfio:
vfio/pci: Check the device set open count on reset
vfio: Export the device set open count
vfio: Fix container device registration life cycle
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Introduces new helper function to aid in .probe_new() refactors. In order
to use existing i2c_get_device_id() on the probe callback, the device
match table needs to be accessible in that function, which would require
bigger refactors in some drivers using the deprecated .probe callback.
This issue was discussed in more detail in the IIO mailing list.
Link: https://lore.kernel.org/all/20221023132302.911644-11-u.kleine-koenig@pengutronix.de/
Suggested-by: Nuno Sá <noname.nuno@gmail.com>
Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Suggested-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Angel Iglesias <ang.iglesiasg@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
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This registers the FFH OpRegion handler before ACPI tables are
loaded. The platform support for the same is checked via Platform-Wide
OSPM Capabilities(OSC) before registering the OpRegion handler.
It relies on the special context data passed to offset and the length.
However the interpretation of the values is platform/architecture
specific. This generic handler just passed all the information to
the platform/architecture specific callback. It also implements the
default callbacks which return as not supported.
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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With CXL security features, and CXL dynamic provisioning, global CPU
cache flushing nvdimm requirements are no longer specific to that
subsystem, even beyond the scope of security_ops. CXL will need such
semantics for features not necessarily limited to persistent memory.
The functionality this is enabling is to be able to instantaneously
secure erase potentially terabytes of memory at once and the kernel
needs to be sure that none of the data from before the erase is still
present in the cache. It is also used when unlocking a memory device
where speculative reads and firmware accesses could have cached poison
from before the device was unlocked. Lastly this facility is used when
mapping new devices, or new capacity into an established physical
address range. I.e. when the driver switches DeviceA mapping AddressX to
DeviceB mapping AddressX then any cached data from DeviceA:AddressX
needs to be invalidated.
This capability is typically only used once per-boot (for unlock), or
once per bare metal provisioning event (secure erase), like when handing
off the system to another tenant or decommissioning a device. It may
also be used for dynamic CXL region provisioning.
Users must first call cpu_cache_has_invalidate_memregion() to know
whether this functionality is available on the architecture. On x86 this
respects the constraints of when wbinvd() is tolerable. It is already
the case that wbinvd() is problematic to allow in VMs due its global
performance impact and KVM, for example, has been known to just trap and
ignore the call. With confidential computing guest execution of wbinvd()
may even trigger an exception. Given guests should not be messing with
the bare metal address map via CXL configuration changes
cpu_cache_has_invalidate_memregion() returns false in VMs.
While this global cache invalidation facility, is exported to modules,
since NVDIMM and CXL support can be built as a module, it is not for
general use. The intent is that this facility is not available outside
of specific "device-memory" use cases. To make that expectation as clear
as possible the API is scoped to a new "DEVMEM" module namespace that
only the NVDIMM and CXL subsystems are expected to import.
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: x86@kernel.org
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Tested-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Davidlohr Bueso <dave@stgolabs.net>
Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
Co-developed-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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PCI config space access from user space has traditionally been
unrestricted with writes being an understood risk for device operation.
Unfortunately, device breakage or odd behavior from config writes lacks
indicators that can leave driver writers confused when evaluating
failures. This is especially true with the new PCIe Data Object
Exchange (DOE) mailbox protocol where backdoor shenanigans from user
space through things such as vendor defined protocols may affect device
operation without complete breakage.
A prior proposal restricted read and writes completely.[1] Greg and
Bjorn pointed out that proposal is flawed for a couple of reasons.
First, lspci should always be allowed and should not interfere with any
device operation. Second, setpci is a valuable tool that is sometimes
necessary and it should not be completely restricted.[2] Finally
methods exist for full lock of device access if required.
Even though access should not be restricted it would be nice for driver
writers to be able to flag critical parts of the config space such that
interference from user space can be detected.
Introduce pci_request_config_region_exclusive() to mark exclusive config
regions. Such regions trigger a warning and kernel taint if accessed
via user space.
Create pci_warn_once() to restrict the user from spamming the log.
[1] https://lore.kernel.org/all/161663543465.1867664.5674061943008380442.stgit@dwillia2-desk3.amr.corp.intel.com/
[2] https://lore.kernel.org/all/YF8NGeGv9vYcMfTV@kroah.com/
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Suggested-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://lore.kernel.org/r/20220926215711.2893286-2-ira.weiny@intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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RAID6_USE_EMPTY_ZERO_PAGE is unused and hardcoded to 0, so let's drop it.
Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Song Liu <song@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI fixes from Ard Biesheuvel:
- Force the use of SetVirtualAddressMap() on Ampera Altra arm64
machines, which crash in SetTime() if no virtual remapping is used
This is the first time we've added an SMBIOS based quirk on arm64,
but fortunately, we can just call a EFI protocol to grab the type #1
SMBIOS record when running in the stub, so we don't need all the
machinery we have in the kernel proper to parse SMBIOS data.
- Drop a spurious warning on misaligned runtime regions when using 16k
or 64k pages on arm64
* tag 'efi-fixes-for-v6.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
arm64: efi: Fix handling of misaligned runtime regions and drop warning
arm64: efi: Force the use of SetVirtualAddressMap() on Altra machines
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A while ago Vasily reported that it is possible to set a large number of
xattrs on inodes of filesystems that make use of the simple xattr
infrastructure. This includes all kernfs-based filesystems that support
xattrs (e.g., cgroupfs and tmpfs). Both cgroupfs and tmpfs can be
mounted by unprivileged users in unprivileged containers and root in an
unprivileged container can set an unrestricted number of security.*
xattrs and privileged users can also set unlimited trusted.* xattrs. As
there are apparently users that have a fairly large number of xattrs we
should scale a bit better. Other xattrs such as user.* are restricted
for kernfs-based instances to a fairly limited number.
Using a simple linked list protected by a spinlock used for set, get,
and list operations doesn't scale well if users use a lot of xattrs even
if it's not a crazy number. There's no need to bring in the big guns
like rhashtables or rw semaphores for this. An rbtree with a rwlock, or
limited rcu semanics and seqlock is enough.
It scales within the constraints we are working in. By far the most
common operation is getting an xattr. Setting xattrs should be a
moderately rare operation. And listxattr() often only happens when
copying xattrs between files or together with the contents to a new
file. Holding a lock across listxattr() is unproblematic because it
doesn't list the values of xattrs. It can only be used to list the names
of all xattrs set on a file. And the number of xattr names that can be
listed with listxattr() is limited to XATTR_LIST_MAX aka 65536 bytes. If
a larger buffer is passed then vfs_listxattr() caps it to XATTR_LIST_MAX
and if more xattr names are found it will return -E2BIG. In short, the
maximum amount of memory that can be retrieved via listxattr() is
limited.
Of course, the API is broken as documented on xattr(7) already. In the
future we might want to address this but for now this is the world we
live in and have lived for a long time. But it does indeed mean that
once an application goes over XATTR_LIST_MAX limit of xattrs set on an
inode it isn't possible to copy the file and include its xattrs in the
copy unless the caller knows all xattrs or limits the copy of the xattrs
to important ones it knows by name (At least for tmpfs, and kernfs-based
filesystems. Other filesystems might provide ways of achieving this.).
Bonus of this port to rbtree+rwlock is that we shrink the memory
consumption for users of the simple xattr infrastructure.
Also add proper kernel documentation to all the functions.
A big thanks to Paul for his comments.
Cc: Vasily Averin <vvs@openvz.org>
Cc: "Paul E. McKenney" <paulmck@kernel.org>
Acked-by: Roman Gushchin <roman.gushchin@linux.dev>
Acked-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
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Andrii Nakryiko says:
====================
bpf 2022-11-11
We've added 11 non-merge commits during the last 8 day(s) which contain
a total of 11 files changed, 83 insertions(+), 74 deletions(-).
The main changes are:
1) Fix strncpy_from_kernel_nofault() to prevent out-of-bounds writes,
from Alban Crequy.
2) Fix for bpf_prog_test_run_skb() to prevent wrong alignment,
from Baisong Zhong.
3) Switch BPF_DISPATCHER to static_call() instead of ftrace infra, with
a small build fix on top, from Peter Zijlstra and Nathan Chancellor.
4) Fix memory leak in BPF verifier in some error cases, from Wang Yufen.
5) 32-bit compilation error fixes for BPF selftests, from Pu Lehui and
Yang Jihong.
6) Ensure even distribution of per-CPU free list elements, from Xu Kuohai.
7) Fix copy_map_value() to track special zeroed out areas properly,
from Xu Kuohai.
* https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
bpf: Fix offset calculation error in __copy_map_value and zero_map_value
bpf: Initialize same number of free nodes for each pcpu_freelist
selftests: bpf: Add a test when bpf_probe_read_kernel_str() returns EFAULT
maccess: Fix writing offset in case of fault in strncpy_from_kernel_nofault()
selftests/bpf: Fix test_progs compilation failure in 32-bit arch
selftests/bpf: Fix casting error when cross-compiling test_verifier for 32-bit platforms
bpf: Fix memory leaks in __check_func_call
bpf: Add explicit cast to 'void *' for __BPF_DISPATCHER_UPDATE()
bpf: Convert BPF_DISPATCHER to use static_call() (not ftrace)
bpf: Revert ("Fix dispatcher patchable function entry to 5 bytes nop")
bpf, test_run: Fix alignment problem in bpf_prog_test_run_skb()
====================
Link: https://lore.kernel.org/r/20221111231624.938829-1-andrii@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc hotfixes from Andrew Morton:
"22 hotfixes.
Eight are cc:stable and the remainder address issues which were
introduced post-6.0 or which aren't considered serious enough to
justify a -stable backport"
* tag 'mm-hotfixes-stable-2022-11-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (22 commits)
docs: kmsan: fix formatting of "Example report"
mm/damon/dbgfs: check if rm_contexts input is for a real context
maple_tree: don't set a new maximum on the node when not reusing nodes
maple_tree: fix depth tracking in maple_state
arch/x86/mm/hugetlbpage.c: pud_huge() returns 0 when using 2-level paging
fs: fix leaked psi pressure state
nilfs2: fix use-after-free bug of ns_writer on remount
x86/traps: avoid KMSAN bugs originating from handle_bug()
kmsan: make sure PREEMPT_RT is off
Kconfig.debug: ensure early check for KMSAN in CONFIG_KMSAN_WARN
x86/uaccess: instrument copy_from_user_nmi()
kmsan: core: kmsan_in_runtime() should return true in NMI context
mm: hugetlb_vmemmap: include missing linux/moduleparam.h
mm/shmem: use page_mapping() to detect page cache for uffd continue
mm/memremap.c: map FS_DAX device memory as decrypted
Partly revert "mm/thp: carry over dirty bit when thp splits on pmd"
nilfs2: fix deadlock in nilfs_count_free_blocks()
mm/mmap: fix memory leak in mmap_region()
hugetlbfs: don't delete error page from pagecache
maple_tree: reorganize testing to restore module testing
...
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Function __copy_map_value and zero_map_value miscalculated copy offset,
resulting in possible copy of unwanted data to user or kernel.
Fix it.
Fixes: cc48755808c6 ("bpf: Add zero_map_value to zero map value with special fields")
Fixes: 4d7d7f69f4b1 ("bpf: Adapt copy_map_value for multiple offset case")
Signed-off-by: Xu Kuohai <xukuohai@huawei.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/bpf/20221111125620.754855-1-xukuohai@huaweicloud.com
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sbitmap suffers from code complexity, as demonstrated by recent fixes,
and eventual lost wake ups on nested I/O completion. The later happens,
from what I understand, due to the non-atomic nature of the updates to
wait_cnt, which needs to be subtracted and eventually reset when equal
to zero. This two step process can eventually miss an update when a
nested completion happens to interrupt the CPU in between the wait_cnt
updates. This is very hard to fix, as shown by the recent changes to
this code.
The code complexity arises mostly from the corner cases to avoid missed
wakes in this scenario. In addition, the handling of wake_batch
recalculation plus the synchronization with sbq_queue_wake_up is
non-trivial.
This patchset implements the idea originally proposed by Jan [1], which
removes the need for the two-step updates of wait_cnt. This is done by
tracking the number of completions and wakeups in always increasing,
per-bitmap counters. Instead of having to reset the wait_cnt when it
reaches zero, we simply keep counting, and attempt to wake up N threads
in a single wait queue whenever there is enough space for a batch.
Waking up less than batch_wake shouldn't be a problem, because we
haven't changed the conditions for wake up, and the existing batch
calculation guarantees at least enough remaining completions to wake up
a batch for each queue at any time.
Performance-wise, one should expect very similar performance to the
original algorithm for the case where there is no queueing. In both the
old algorithm and this implementation, the first thing is to check
ws_active, which bails out if there is no queueing to be managed. In the
new code, we took care to avoid accounting completions and wakeups when
there is no queueing, to not pay the cost of atomic operations
unnecessarily, since it doesn't skew the numbers.
For more interesting cases, where there is queueing, we need to take
into account the cross-communication of the atomic operations. I've
been benchmarking by running parallel fio jobs against a single hctx
nullb in different hardware queue depth scenarios, and verifying both
IOPS and queueing.
Each experiment was repeated 5 times on a 20-CPU box, with 20 parallel
jobs. fio was issuing fixed-size randwrites with qd=64 against nullb,
varying only the hardware queue length per test.
queue size 2 4 8 16 32 64
6.1-rc2 1681.1K (1.6K) 2633.0K (12.7K) 6940.8K (16.3K) 8172.3K (617.5K) 8391.7K (367.1K) 8606.1K (351.2K)
patched 1721.8K (15.1K) 3016.7K (3.8K) 7543.0K (89.4K) 8132.5K (303.4K) 8324.2K (230.6K) 8401.8K (284.7K)
The following is a similar experiment, ran against a nullb with a single
bitmap shared by 20 hctx spread across 2 NUMA nodes. This has 40
parallel fio jobs operating on the same device
queue size 2 4 8 16 32 64
6.1-rc2 1081.0K (2.3K) 957.2K (1.5K) 1699.1K (5.7K) 6178.2K (124.6K) 12227.9K (37.7K) 13286.6K (92.9K)
patched 1081.8K (2.8K) 1316.5K (5.4K) 2364.4K (1.8K) 6151.4K (20.0K) 11893.6K (17.5K) 12385.6K (18.4K)
It has also survived blktests and a 12h-stress run against nullb. I also
ran the code against nvme and a scsi SSD, and I didn't observe
performance regression in those. If there are other tests you think I
should run, please let me know and I will follow up with results.
[1] https://lore.kernel.org/all/aef9de29-e9f5-259a-f8be-12d1b734e72@google.com/
Cc: Hugh Dickins <hughd@google.com>
Cc: Keith Busch <kbusch@kernel.org>
Cc: Liu Song <liusong@linux.alibaba.com>
Suggested-by: Jan Kara <jack@suse.cz>
Signed-off-by: Gabriel Krisman Bertazi <krisman@suse.de>
Link: https://lore.kernel.org/r/20221105231055.25953-1-krisman@suse.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Nobody seems to call ata_sff_busy_sleep(), so we can get rid of it...
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from netfilter, wifi, can and bpf.
Current release - new code bugs:
- can: af_can: can_exit(): add missing dev_remove_pack() of
canxl_packet
Previous releases - regressions:
- bpf, sockmap: fix the sk->sk_forward_alloc warning
- wifi: mac80211: fix general-protection-fault in
ieee80211_subif_start_xmit()
- can: af_can: fix NULL pointer dereference in can_rx_register()
- can: dev: fix skb drop check, avoid o-o-b access
- nfnetlink: fix potential dead lock in nfnetlink_rcv_msg()
Previous releases - always broken:
- bpf: fix wrong reg type conversion in release_reference()
- gso: fix panic on frag_list with mixed head alloc types
- wifi: brcmfmac: fix buffer overflow in brcmf_fweh_event_worker()
- wifi: mac80211: set TWT Information Frame Disabled bit as 1
- eth: macsec offload related fixes, make sure to clear the keys from
memory
- tun: fix memory leaks in the use of napi_get_frags
- tun: call napi_schedule_prep() to ensure we own a napi
- tcp: prohibit TCP_REPAIR_OPTIONS if data was already sent
- ipv6: addrlabel: fix infoleak when sending struct ifaddrlblmsg to
network
- tipc: fix a msg->req tlv length check
- sctp: clear out_curr if all frag chunks of current msg are pruned,
avoid list corruption
- mctp: fix an error handling path in mctp_init(), avoid leaks"
* tag 'net-6.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (101 commits)
eth: sp7021: drop free_netdev() from spl2sw_init_netdev()
MAINTAINERS: Move Vivien to CREDITS
net: macvlan: fix memory leaks of macvlan_common_newlink
ethernet: tundra: free irq when alloc ring failed in tsi108_open()
net: mv643xx_eth: disable napi when init rxq or txq failed in mv643xx_eth_open()
ethernet: s2io: disable napi when start nic failed in s2io_card_up()
net: atlantic: macsec: clear encryption keys from the stack
net: phy: mscc: macsec: clear encryption keys when freeing a flow
stmmac: dwmac-loongson: fix missing of_node_put() while module exiting
stmmac: dwmac-loongson: fix missing pci_disable_device() in loongson_dwmac_probe()
stmmac: dwmac-loongson: fix missing pci_disable_msi() while module exiting
cxgb4vf: shut down the adapter when t4vf_update_port_info() failed in cxgb4vf_open()
mctp: Fix an error handling path in mctp_init()
stmmac: intel: Update PCH PTP clock rate from 200MHz to 204.8MHz
net: cxgb3_main: disable napi when bind qsets failed in cxgb_up()
net: cpsw: disable napi in cpsw_ndo_open()
iavf: Fix VF driver counting VLAN 0 filters
ice: Fix spurious interrupt during removal of trusted VF
net/mlx5e: TC, Fix slab-out-of-bounds in parse_tc_actions
net/mlx5e: E-Switch, Fix comparing termination table instance
...
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Ampere Altra machines are reported to misbehave when the SetTime() EFI
runtime service is called after ExitBootServices() but before calling
SetVirtualAddressMap(). Given that the latter is horrid, pointless and
explicitly documented as optional by the EFI spec, we no longer invoke
it at boot if the configured size of the VA space guarantees that the
EFI runtime memory regions can remain mapped 1:1 like they are at boot
time.
On Ampere Altra machines, this results in SetTime() calls issued by the
rtc-efi driver triggering synchronous exceptions during boot. We can
now recover from those without bringing down the system entirely, due to
commit 23715a26c8d81291 ("arm64: efi: Recover from synchronous
exceptions occurring in firmware"). However, it would be better to avoid
the issue entirely, given that the firmware appears to remain in a funny
state after this.
So attempt to identify these machines based on the 'family' field in the
type #1 SMBIOS record, and call SetVirtualAddressMap() unconditionally
in that case.
Tested-by: Alexandru Elisei <alexandru.elisei@gmail.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
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The open count of a device set is the sum of the open counts of all
devices in the set. Drivers can use this value to determine whether
shared resources are in use without tracking them manually or accessing
the private open_count in vfio_device.
Signed-off-by: Anthony DeRossi <ajderossi@gmail.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Yi Liu <yi.l.liu@intel.com>
Link: https://lore.kernel.org/r/20221110014027.28780-3-ajderossi@gmail.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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When kasan is enabled for slab/slub, it may save kasan' free_meta
data in the former part of slab object data area in slab object's
free path, which works fine.
There is ongoing effort to extend slub's debug function which will
redzone the latter part of kmalloc object area, and when both of
the debug are enabled, there is possible conflict, especially when
the kmalloc object has small size, as caught by 0Day bot [1].
To solve it, slub code needs to know the in-object kasan's meta
data size. Currently, there is existing kasan_metadata_size()
which returns the kasan's metadata size inside slub's metadata
area, so extend it to also cover the in-object meta size by
adding a boolean flag 'in_object'.
There is no functional change to existing code logic.
[1]. https://lore.kernel.org/lkml/YuYm3dWwpZwH58Hu@xsang-OptiPlex-9020/
Reported-by: kernel test robot <oliver.sang@intel.com>
Suggested-by: Andrey Konovalov <andreyknvl@gmail.com>
Signed-off-by: Feng Tang <feng.tang@intel.com>
Reviewed-by: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
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Assign a big positive integer instead of an negative integer to an
u32 variable. Also remove the check for ">= 0" which doesn't make sense
for unsigned integers.
Reported-by: coverity-bot <keescook+coverity-bot@chromium.org>
Addresses-Coverity-ID: 1527139 ("Control flow issues")
Fixes: 89aed3cd5cb9 ("memory: omap-gpmc: wait pin additions")
Signed-off-by: Benedikt Niedermayr <benedikt.niedermayr@siemens.com>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Link: https://lore.kernel.org/r/20221109102454.174320-1-benedikt.niedermayr@siemens.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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It's slightly better to read when compound literal data and type
are separated by a space.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
Link: https://lore.kernel.org/r/20221109152356.39868-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The arch timer cannot wake up the Qualcomm Technologies, Inc. (QTI) SoCs
from the deeper CPUidle states. To be able to wakeup from these deeper
states, another always-on timer needs to be programmed through the so
called CONTROL_TCS.
As the RSC is part of CPU subsystem and the corresponding APSS RSC device
is attached to the cluster PM domain (through genpd), it holds the
responsibility to program the always-on timer, before entering any of these
deeper CPUidle states.
However, programming the timer requires information about the next hrtimer
wakeup for the cluster PM domain, which is currently only known by genpd.
Therefore, let's share this data through a new genpd helper function,
dev_pm_genpd_get_next_hrtimer().
Signed-off-by: Maulik Shah <quic_mkshah@quicinc.com>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
[Ulf: Reworked the code and updated the commit message]
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> # SM8450
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221018152837.619426-5-ulf.hansson@linaro.org
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git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab
Pull slab fixes from Vlastimil Babka:
"Most are small fixups as described below.
The !CONFIG_TRACING fix is a bit bigger and would normally be done in
the next merge window as part of upcoming hardening changes. But we
realized it can make the kmalloc waste tracking introduced in this
window inaccurate, so decided to go with it now.
Summary:
- Remove !CONFIG_TRACING kmalloc() wrappers intended to save a
function call, due to incompatilibity with recently introduced
wasted space tracking and planned hardening changes.
- A tracing parameter regression fix, by Kees Cook.
- Two kernel-doc warning fixups, by Lukas Bulwahn and myself
* tag 'slab-for-6.1-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab:
mm, slab: remove duplicate kernel-doc comment for ksize()
mm/slab_common: Restore passing "caller" for tracing
mm/slab: remove !CONFIG_TRACING variants of kmalloc_[node_]trace()
mm/slab_common: repair kernel-doc for __ksize()
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Consecutive zone device pages should not be merged into the same sgl
or bvec segment with other types of pages or if they belong to different
pgmaps. Otherwise getting the pgmap of a given segment is not possible
without scanning the entire segment. This helper returns true either if
both pages are not zone device pages or both pages are zone device
pages with the same pgmap.
Add a helper to determine if zone device pages are mergeable and use
this helper in page_is_mergeable().
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20221021174116.7200-5-logang@deltatee.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Add iov_iter_get_pages_flags() and iov_iter_get_pages_alloc_flags()
which take a flags argument that is passed to get_user_pages_fast().
This is so that FOLL_PCI_P2PDMA can be passed when appropriate.
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20221021174116.7200-4-logang@deltatee.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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GUP Callers that expect PCI P2PDMA pages can now set FOLL_PCI_P2PDMA to
allow obtaining P2PDMA pages. If GUP is called without the flag and a
P2PDMA page is found, it will return an error in try_grab_page() or
try_grab_folio().
The check is safe to do before taking the reference to the page in both
cases seeing the page should be protected by either the appropriate
ptl or mmap_lock; or the gup fast guarantees preventing TLB flushes.
try_grab_folio() has one call site that WARNs on failure and cannot
actually deal with the failure of this function (it seems it will
get into an infinite loop). Expand the comment there to document a
couple more conditions on why it will not fail.
FOLL_PCI_P2PDMA cannot be set if FOLL_LONGTERM is set. This is to copy
fsdax until pgmap refcounts are fixed (see the link below for more
information).
Link: https://lkml.kernel.org/r/Yy4Ot5MoOhsgYLTQ@ziepe.ca
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20221021174116.7200-3-logang@deltatee.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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In order to add checks for P2PDMA memory into try_grab_page(), expand
the error return from a bool to an int/error code. Update all the
callsites handle change in usage.
Also remove the WARN_ON_ONCE() call at the callsites seeing there
already is a WARN_ON_ONCE() inside the function if it fails.
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20221021174116.7200-2-logang@deltatee.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Provide NVMEM content to the NVRAM driver from a simple
memory resource. This is necessary to use NVRAM in a memory-
mapped flash device. Patch taken from OpenWrts development
tree.
This patch makes it possible to use memory-mapped NVRAM
on the D-Link DWL-8610AP and the D-Link DIR-890L.
Cc: Hauke Mehrtens <hauke@hauke-m.de>
Cc: linux-mips@vger.kernel.org
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: bcm-kernel-feedback-list@broadcom.com
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
[Added an export for modules potentially using the init symbol]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20221103082529.359084-1-linus.walleij@linaro.org
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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In order to allow arches to use code patching to conditionally emit the
shadow stack pushes and pops, rather than always taking the performance
hit even on CPUs that implement alternatives such as stack pointer
authentication on arm64, add a Kconfig symbol that can be set by the
arch to omit the SCS codegen itself, without otherwise affecting how
support code for SCS and compiler options (for register reservation, for
instance) are emitted.
Also, add a static key and some plumbing to omit the allocation of
shadow call stack for dynamic SCS configurations if SCS is disabled at
runtime.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Sami Tolvanen <samitolvanen@google.com>
Tested-by: Sami Tolvanen <samitolvanen@google.com>
Link: https://lore.kernel.org/r/20221027155908.1940624-3-ardb@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
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PMR735a is already supported in the RPMH regulator driver, but
there are cases where it's bundled with SMD RPM SoCs. Port it over
to qcom_smd-regulator to enable usage in such cases.
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20221109110846.45789-2-konrad.dybcio@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Provide an implementation for debug_lockdep_rcu_enabled() when
CONFIG_DEBUG_LOCK_ALLOC is not enabled. This allows code to check
if rcu lockdep debugging is available without needing an extra
check if CONFIG_DEBUG_LOCK_ALLOC is enabled.
Signed-off-by: John Ogness <john.ogness@linutronix.de>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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Along the development cycle, the testing code support for module/in-kernel
compiles was removed. Restore this functionality by moving any internal
API tests to the userspace side, as well as threading tests. Fix the
lockdep issues and add a way to reduce memory usage so the tests can
complete with KASAN + memleak detection. Make the tests work on 32 bit
hosts where possible and detect 32 bit hosts in the radix test suite.
[akpm@linux-foundation.org: fix module export]
[akpm@linux-foundation.org: fix it some more]
[liam.howlett@oracle.com: fix compile warnings on 32bit build in check_find()]
Link: https://lkml.kernel.org/r/20221107203816.1260327-1-Liam.Howlett@oracle.com
Link: https://lkml.kernel.org/r/20221028180415.3074673-1-Liam.Howlett@oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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The difference between MT8186 and other ICs is that when modifying the
output format, we need to modify the mmsys_base+0x400 register to take
effect. So when setting the dpi output format, we need to call
mtk_mmsys_ddp_dpi_fmt_config to set it to MT8186 synchronously.
Commit a071e52f75d1 ("soc: mediatek: Add mmsys func to adapt to dpi
output for MT8186") lacked some of the possible output formats and also
had a wrong bitmask.
Add the missing output formats and fix the bitmask.
While at it, also update mtk_mmsys_ddp_dpi_fmt_config() to use generic
formats, so that it is slightly easier to extend for other platforms.
Fixes: a071e52f75d1 ("soc: mediatek: Add mmsys func to adapt to dpi output for MT8186")
Signed-off-by: Xinlei Lee <xinlei.lee@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Reviewed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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