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Two new RFs were added in the code, but we forgot to
add them to the list here that enables HE TX/RX 1024
QAM less than 242 tone RU.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230816104355.ddb090c86c8c.Ic630aa579e3dc52069758d8698069480d555eefe@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add a new vendor (Razer) to PPAG approved list.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230816104355.f586a86fa644.I97408afb20bd7c46fcff8c3561ead8ed9c60b37e@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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There are occasionally bugs which cause the device to try
to use a TFD that it wasn't supposed to, and these are
very hard to diagnose. Fill all unused TFDs with a debug
command that immediately causes an error to be detected
in these cases.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230816104355.10a9af1ca91f.Ifc790d62c52b4bc9a74c9581610af498509f5759@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We need this earlier in the file next, move it up to have
an easier to read change, since this moves other things
in the diff git generates by default.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230816104355.c6d798b600bb.I9b891ee3d3dc67822a28e44941409f5b7cb637cf@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We will need this in another place soon in reclaim and init,
so add this function to the queue header file instead.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230816104355.52b6f66de219.Ic8403fd098c187fac067977808c0129d96514c91@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This is only ever initialized to zero, use a new define
for the default RX queue instead.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230816104355.e0c6fa57c162.I907bbb428cf99725f06a348c8dbce5d3dd877136@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This is a bit messy right now, there are functions for both,
but then gen1 function can actually deal with both gen1 and
gen2, due to the confusion about use_tfh/gen2 cleaned up in
the previous patch.
Fix the common paths to call the right functions and remove
handling of gen2 from the gen1 function.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230816104355.baf23841ec5c.I40702e94b25db05e82f935f14548316f8c6429b9@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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There's no reason to warn here, it's not an internal consistency
issue, we even use this to check if the device is dead, and if it
read_mem() returns an error that's either because grab NIC access
or memory allocation failed, both of which are already noisy.
Just remove the warning entirely.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230816104355.5f4e80eb63cc.Iffd88f63f95575f28e503da13b473724e3341aee@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The structure name in the docs should be given in all
lower case matching the actual C declaration.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230816104355.c06f98055dbb.Ie9267108c57edcbb913f0d0f349eac85ca39409b@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If 11ax/EHT is disabled, then we shouldn't advertise MLO
support either.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230816104355.ae4f9151440e.I6ce0b98d063d5005fd7a613454fcdb8b866a417a@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When the ifdown function in the dst_ops structure is referenced, the input
parameter 'how' is always true. In the current implementation of the
ifdown interface, ip6_dst_ifdown does not use the input parameter 'how',
xfrm6_dst_ifdown and xfrm4_dst_ifdown functions use the input parameter
'unregister'. But false judgment on 'unregister' in xfrm6_dst_ifdown and
xfrm4_dst_ifdown is false, so remove the input parameter 'how' in ifdown
function.
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20230821084104.3812233-1-shaozhengchao@huawei.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Prepare for the coming implementation by GCC and Clang of the __counted_by
attribute. Flexible array members annotated with __counted_by can have
their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS
(for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family
functions).
As found with Coccinelle[1], add __counted_by for struct cfg80211_tid_config.
[1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20230817211531.4193219-7-keescook@chromium.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Prepare for the coming implementation by GCC and Clang of the __counted_by
attribute. Flexible array members annotated with __counted_by can have
their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS
(for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family
functions).
As found with Coccinelle[1], add __counted_by for struct cfg80211_scan_request.
Additionally, since the element count member must be set before accessing
the annotated flexible array member, move its initialization earlier.
[1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20230817211531.4193219-6-keescook@chromium.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Prepare for the coming implementation by GCC and Clang of the __counted_by
attribute. Flexible array members annotated with __counted_by can have
their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS
(for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family
functions).
As found with Coccinelle[1], add __counted_by for struct cfg80211_rnr_elems.
Additionally, since the element count member must be set before accessing
the annotated flexible array member, move its initialization earlier.
[1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20230817211531.4193219-5-keescook@chromium.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Prepare for the coming implementation by GCC and Clang of the __counted_by
attribute. Flexible array members annotated with __counted_by can have
their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS
(for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family
functions).
As found with Coccinelle[1], add __counted_by for struct cfg80211_pmsr_request.
Additionally, since the element count member must be set before accessing
the annotated flexible array member, move its initialization earlier.
[1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20230817211531.4193219-4-keescook@chromium.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Prepare for the coming implementation by GCC and Clang of the __counted_by
attribute. Flexible array members annotated with __counted_by can have
their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS
(for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family
functions).
As found with Coccinelle[1], add __counted_by for struct cfg80211_mbssid_elems.
Additionally, since the element count member must be set before accessing
the annotated flexible array member, move its initialization earlier.
[1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20230817211531.4193219-3-keescook@chromium.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Prepare for the coming implementation by GCC and Clang of the __counted_by
attribute. Flexible array members annotated with __counted_by can have
their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS
(for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family
functions).
As found with Coccinelle[1], add __counted_by for struct cfg80211_cqm_config.
[1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20230817211531.4193219-2-keescook@chromium.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Prepare for the coming implementation by GCC and Clang of the __counted_by
attribute. Flexible array members annotated with __counted_by can have
their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS
(for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family
functions).
As found with Coccinelle[1], add __counted_by for struct cfg80211_acl_data.
Additionally, since the element count member must be set before accessing
the annotated flexible array member, move its initialization earlier.
[1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Justin Stitt <justinstitt@google.com>
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20230817211531.4193219-1-keescook@chromium.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This reworks the ACPI thermal driver to use a table of generic trip
point structures on top of the internal representation of trip points
and removes thermal zone callbacks that are not necessary any more
from it.
It requires some relatively small changes to be made in the thermal core
too and it is based on top of changes reworking ACPI device notification
handling that are included in this merge.
* acpi-thermal: (24 commits)
ACPI: thermal: Eliminate code duplication from acpi_thermal_notify()
ACPI: thermal: Drop unnecessary thermal zone callbacks
ACPI: thermal: Rework thermal_get_trend()
ACPI: thermal: Use trip point table to register thermal zones
thermal: core: Rework and rename __for_each_thermal_trip()
ACPI: thermal: Introduce struct acpi_thermal_trip
ACPI: thermal: Carry out trip point updates under zone lock
ACPI: thermal: Clean up acpi_thermal_register_thermal_zone()
thermal: core: Add priv pointer to struct thermal_trip
thermal: core: Introduce thermal_zone_device_exec()
thermal: core: Do not handle trip points with invalid temperature
ACPI: thermal: Drop redundant local variable from acpi_thermal_resume()
ACPI: thermal: Do not attach private data to ACPI handles
ACPI: thermal: Drop enabled flag from struct acpi_thermal_active
ACPI: thermal: Drop nocrt parameter
ACPI: thermal: Install Notify() handler directly
ACPI: NFIT: Remove unnecessary .remove callback
ACPI: NFIT: Install Notify() handler directly
ACPI: HED: Install Notify() handler directly
ACPI: battery: Install Notify() handler directly
...
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The following message shows up when compiling with W=1:
In function ‘fortify_memcpy_chk’,
inlined from ‘alx_get_ethtool_stats’ at drivers/net/ethernet/atheros/alx/ethtool.c:297:2:
./include/linux/fortify-string.h:592:4: error: call to ‘__read_overflow2_field’
declared with attribute warning: detected read beyond size of field (2nd parameter);
maybe use struct_group()? [-Werror=attribute-warning]
592 | __read_overflow2_field(q_size_field, size);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In order to get alx stats altogether, alx_get_ethtool_stats() reads
beyond hw->stats.rx_ok. Fix this warning by directly copying hw->stats,
and refactor the unnecessarily complicated BUILD_BUG_ON btw.
Signed-off-by: GONG, Ruiqi <gongruiqi1@huawei.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20230821013218.1614265-1-gongruiqi@huaweicloud.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Xen provides support for injecting interrupts to the guests via the
HYPERVISOR_dm_op() hypercall. The same is used by the Virtio based
device backend implementations, in an inefficient manner currently.
Generally, the Virtio backends are implemented to work with the Eventfd
based mechanism. In order to make such backends work with Xen, another
software layer needs to poll the Eventfds and raise an interrupt to the
guest using the Xen based mechanism. This results in an extra context
switch.
This is not a new problem in Linux though. It is present with other
hypervisors like KVM, etc. as well. The generic solution implemented in
the kernel for them is to provide an IOCTL call to pass the interrupt
details and eventfd, which lets the kernel take care of polling the
eventfd and raising of the interrupt, instead of handling this in user
space (which involves an extra context switch).
This patch adds support to inject a specific interrupt to guest using
the eventfd mechanism, by preventing the extra context switch.
Inspired by existing implementations for KVM, etc..
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/8e724ac1f50c2bc1eb8da9b3ff6166f1372570aa.1692697321.git.viresh.kumar@linaro.org
Signed-off-by: Juergen Gross <jgross@suse.com>
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The driver has OF match table, but still it uses an ID lookup table for
retrieving match data. Currently, the driver is working on the
assumption that an I2C device registered via OF will always match a
legacy I2C device ID. Extend match data support for OF tables by using
i2c_get_match_data() instead of the ID lookup for both OF/ID matches by
making similar OF/ID tables.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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gpiolib want to get completely rid of static gpiobase allocation,
so switch to dynamic allocat GPIO base, also can avoid warning
message:
[ 1.529974] gpio gpiochip0: Static allocation of GPIO base
is deprecated, use dynamic allocation.
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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During domain reset process vmd_domain_reset() clears PCI
configuration space of VMD root ports. But certain platform
has observed following errors and failed to boot.
...
DMAR: VT-d detected Invalidation Queue Error: Reason f
DMAR: VT-d detected Invalidation Time-out Error: SID ffff
DMAR: VT-d detected Invalidation Completion Error: SID ffff
DMAR: QI HEAD: UNKNOWN qw0 = 0x0, qw1 = 0x0
DMAR: QI PRIOR: UNKNOWN qw0 = 0x0, qw1 = 0x0
DMAR: Invalidation Time-out Error (ITE) cleared
The root cause is that memset_io() clears prefetchable memory base/limit
registers and prefetchable base/limit 32 bits registers sequentially.
This seems to be enabling prefetchable memory if the device disabled
prefetchable memory originally.
Here is an example (before memset_io()):
PCI configuration space for 10000:00:00.0:
86 80 30 20 06 00 10 00 04 00 04 06 00 00 01 00
00 00 00 00 00 00 00 00 00 01 01 00 00 00 00 20
00 00 00 00 01 00 01 00 ff ff ff ff 75 05 00 00
...
So, prefetchable memory is ffffffff00000000-575000fffff, which is
disabled. When memset_io() clears prefetchable base 32 bits register,
the prefetchable memory becomes 0000000000000000-575000fffff, which is
enabled and incorrect.
Here is the quote from section 7.5.1.3.9 of PCI Express Base 6.0 spec:
The Prefetchable Memory Limit register must be programmed to a smaller
value than the Prefetchable Memory Base register if there is no
prefetchable memory on the secondary side of the bridge.
This is believed to be the reason for the failure and in addition the
sequence of operation in vmd_domain_reset() is not following the PCIe
specs.
Disable the bridge window by executing a sequence of operations
borrowed from pci_disable_bridge_window() and pci_setup_bridge_io(),
that comply with the PCI specifications.
Link: https://lore.kernel.org/r/20230810215029.1177379-1-nirmal.patel@linux.intel.com
Signed-off-by: Nirmal Patel <nirmal.patel@linux.intel.com>
Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
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It is particularly important for the userns mount case (when a sensible
nr_inodes maximum may not be enforced) that tmpfs user xattrs be subject
to memory cgroup limiting. Leave temporary buffer allocations as is,
but change the persistent simple xattr allocations from GFP_KERNEL to
GFP_KERNEL_ACCOUNT. This limits kernfs's cgroupfs too, but that's good.
(I had intended to send this change earlier, but had been confused by
shmem_alloc_inode() using GFP_KERNEL, and thought a discussion would be
needed to change that too: no, I was forgetting the SLAB_ACCOUNT on that
kmem_cache, which implicitly adds __GFP_ACCOUNT to all its allocations.)
Signed-off-by: Hugh Dickins <hughd@google.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Message-Id: <f6953e5a-4183-8314-38f2-40be60998615@google.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Some cosmetic changes as well as a missing __init annotation.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
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Instead of bypassing the kernel's adaptation layer for performing EFI
runtime calls, wire up ACPI PRM handling into it. This means these calls
can no longer occur concurrently with EFI runtime calls, and will be
made from the EFI runtime workqueue. It also means any page faults
occurring during PRM handling will be identified correctly as
originating in firmware code.
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
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Avoid duplicating the EFI arch setup and teardown routine calls numerous
times in efi_call_rts(). Instead, expand the efi_call_virt_pointer()
macro into efi_call_rts(), taking the pre and post parts out of the
switch.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
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__efi_call_virt() exists as an alternative for efi_call_virt() for the
sole reason that ResetSystem() returns void, and so we cannot use a call
to it in the RHS of an assignment.
Given that there is only a single user, let's drop the macro, and expand
it into the caller. That way, the remaining macro can be tightened
somewhat in terms of type safety too.
Note that the use of typeof() on the runtime service invocation does not
result in an actual call being made, but it does require a few pointer
types to be fixed up and converted into the proper function pointer
prototypes.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
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The LBA has already called ioremap() to get it's virtual address,
which can be used for the IOSAPIC as well.
Avoid calling ioremap() again and just reuse the correct
iomem address for the IOSAPIC.
Signed-off-by: Helge Deller <deller@gmx.de>
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No need to extract upper and lower 32bit values of the 64-bit value. Use
gcc's %R1 to access lower 32-bits and %1 to access upper 32-bits
instead.
Signed-off-by: Helge Deller <deller@gmx.de>
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Signed-off-by: Helge Deller <deller@gmx.de>
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The format of the Elf64 function descriptor is defined by the ABI.
Mention the various use cases in the comment.
Signed-off-by: Helge Deller <deller@gmx.de>
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Signed-off-by: Helge Deller <deller@gmx.de>
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Signed-off-by: Helge Deller <deller@gmx.de>
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Signed-off-by: Helge Deller <deller@gmx.de>
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parisc uses a top-down layout by default that exactly fits the generic
functions, so get rid of arch specific code and use the generic version
by selecting ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT.
Note that on parisc the stack always grows up and a "unlimited stack"
simply means that the value as defined in CONFIG_STACK_MAX_DEFAULT_SIZE_MB
should be used. So RLIM_INFINITY is not an indicator to use the legacy
memory layout.
Signed-off-by: Helge Deller <deller@gmx.de>
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The lscpu command is broken since commit cab56b51ec0e ("parisc: Fix
device names in /proc/iomem") added the PA pathname to all PA
devices, includig the CPUs.
lscpu parses /proc/cpuinfo and now believes it found different CPU
types since every CPU is listed with an unique identifier (PA
pathname).
Fix this problem by simply dropping the PA pathname when listing the
CPUs in /proc/cpuinfo. There is no need to show the pathname in this
procfs file.
Fixes: cab56b51ec0e ("parisc: Fix device names in /proc/iomem")
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: <stable@vger.kernel.org> # v4.9+
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DP DSC Receiver Capabilities are exposed via DPCD 60h-6Fh.
Fix the DSC RECEIVER CAP SIZE accordingly.
Fixes: ffddc4363c28 ("drm/dp: Add DP DSC DPCD receiver capability size define and missing SHIFT")
Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
Cc: Manasi Navare <manasi.d.navare@intel.com>
Cc: <stable@vger.kernel.org> # v5.0+
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230818044436.177806-1-ankit.k.nautiyal@intel.com
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Wrap the calls to blocking_notifier_call_chain() for the line state
notifier with a helper that allows us to use fewer lines of code and
simpler syntax.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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The following lockdep warning appears during boot on a Xen dom0 system:
[ 96.388794] ======================================================
[ 96.388797] WARNING: possible circular locking dependency detected
[ 96.388799] 6.4.0-rc5-default+ #8 Tainted: G EL
[ 96.388803] ------------------------------------------------------
[ 96.388804] xenconsoled/1330 is trying to acquire lock:
[ 96.388808] ffffffff82acdd10 (xs_watch_rwsem){++++}-{3:3}, at: register_xenbus_watch+0x45/0x140
[ 96.388847]
but task is already holding lock:
[ 96.388849] ffff888100c92068 (&u->msgbuffer_mutex){+.+.}-{3:3}, at: xenbus_file_write+0x2c/0x600
[ 96.388862]
which lock already depends on the new lock.
[ 96.388864]
the existing dependency chain (in reverse order) is:
[ 96.388866]
-> #2 (&u->msgbuffer_mutex){+.+.}-{3:3}:
[ 96.388874] __mutex_lock+0x85/0xb30
[ 96.388885] xenbus_dev_queue_reply+0x48/0x2b0
[ 96.388890] xenbus_thread+0x1d7/0x950
[ 96.388897] kthread+0xe7/0x120
[ 96.388905] ret_from_fork+0x2c/0x50
[ 96.388914]
-> #1 (xs_response_mutex){+.+.}-{3:3}:
[ 96.388923] __mutex_lock+0x85/0xb30
[ 96.388930] xenbus_backend_ioctl+0x56/0x1c0
[ 96.388935] __x64_sys_ioctl+0x90/0xd0
[ 96.388942] do_syscall_64+0x5c/0x90
[ 96.388950] entry_SYSCALL_64_after_hwframe+0x72/0xdc
[ 96.388957]
-> #0 (xs_watch_rwsem){++++}-{3:3}:
[ 96.388965] __lock_acquire+0x1538/0x2260
[ 96.388972] lock_acquire+0xc6/0x2b0
[ 96.388976] down_read+0x2d/0x160
[ 96.388983] register_xenbus_watch+0x45/0x140
[ 96.388990] xenbus_file_write+0x53d/0x600
[ 96.388994] vfs_write+0xe4/0x490
[ 96.389003] ksys_write+0xb8/0xf0
[ 96.389011] do_syscall_64+0x5c/0x90
[ 96.389017] entry_SYSCALL_64_after_hwframe+0x72/0xdc
[ 96.389023]
other info that might help us debug this:
[ 96.389025] Chain exists of:
xs_watch_rwsem --> xs_response_mutex --> &u->msgbuffer_mutex
[ 96.413429] Possible unsafe locking scenario:
[ 96.413430] CPU0 CPU1
[ 96.413430] ---- ----
[ 96.413431] lock(&u->msgbuffer_mutex);
[ 96.413432] lock(xs_response_mutex);
[ 96.413433] lock(&u->msgbuffer_mutex);
[ 96.413434] rlock(xs_watch_rwsem);
[ 96.413436]
*** DEADLOCK ***
[ 96.413436] 1 lock held by xenconsoled/1330:
[ 96.413438] #0: ffff888100c92068 (&u->msgbuffer_mutex){+.+.}-{3:3}, at: xenbus_file_write+0x2c/0x600
[ 96.413446]
An ioctl call IOCTL_XENBUS_BACKEND_SETUP (record #1 in the report)
results in calling xenbus_alloc() -> xs_suspend() which introduces
ordering xs_watch_rwsem --> xs_response_mutex. The xenbus_thread()
operation (record #2) creates xs_response_mutex --> &u->msgbuffer_mutex.
An XS_WATCH write to the xenbus file then results in a complain about
the opposite lock order &u->msgbuffer_mutex --> xs_watch_rwsem.
The dependency xs_watch_rwsem --> xs_response_mutex is spurious. Avoid
it and the warning by changing the ordering in xs_suspend(), first
acquire xs_response_mutex and then xs_watch_rwsem. Reverse also the
unlocking order in xs_suspend_cancel() for consistency, but keep
xs_resume() as is because it needs to have xs_watch_rwsem unlocked only
after exiting xs suspend and re-adding all watches.
Signed-off-by: Petr Pavlu <petr.pavlu@suse.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20230607123624.15739-1-petr.pavlu@suse.com
Signed-off-by: Juergen Gross <jgross@suse.com>
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soc/arm
This pull request contains Broadcom platforms updates for 6.6, please
pull the following:
- Rob updates the Broadcom machine level code to use the correct DT
includes
* tag 'arm-soc/for-6.6/soc' of https://github.com/Broadcom/stblinux:
ARM: bcm: Drop unused includes
Link: https://lore.kernel.org/r/20230818164539.2871539-4-florian.fainelli@broadcom.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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into soc/drivers
This pull request contains Broadcom SoCs drivers changes for 6.6, please
pull the following:
- Rob updates the Broadcom SoC drivers to use the correct DT includes
* tag 'arm-soc/for-6.6/drivers' of https://github.com/Broadcom/stblinux:
soc: bcm: Explicitly include correct DT includes
Link: https://lore.kernel.org/r/20230818164539.2871539-3-florian.fainelli@broadcom.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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The tg3 driver will use kmalloc() under some conditions. Check the
frag_size and use slab_build_skb() when frag_size is 0. Silences
the warning introduced by commit ce098da1497c ("skbuff: Introduce
slab_build_skb()"):
Use slab_build_skb() instead
...
tg3_poll_work+0x638/0xf90 [tg3]
Fixes: ce098da1497c ("skbuff: Introduce slab_build_skb()")
Reported-by: Fiona Ebner <f.ebner@proxmox.com>
Closes: https://lore.kernel.org/all/1bd4cb9c-4eb8-3bdb-3e05-8689817242d1@proxmox.com
Cc: Siva Reddy Kallam <siva.kallam@broadcom.com>
Cc: Prashant Sreedharan <prashant@broadcom.com>
Cc: Michael Chan <mchan@broadcom.com>
Cc: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Link: https://lore.kernel.org/r/20230818175417.never.273-kees@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When switching from 10GBase-R/5GBase-R/USXGMII to one of the interface
modes provided by mtk-pcs-lynxi we need to make sure to always perform
a full configuration of the PHYA.
Implement pcs_disable op which resets the stored interface mode to
PHY_INTERFACE_MODE_NA to trigger a full reconfiguration once the LynxI
PCS driver had previously been deselected in favor of another PCS
driver such as the to-be-added driver for the USXGMII PCS found in
MT7988.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Link: https://lore.kernel.org/r/f23d1a60d2c9d2fb72e32dcb0eaa5f7e867a3d68.1692327891.git.daniel@makrotopia.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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https://github.com/Broadcom/stblinux into soc/dt
This pull request contains Broadcom ARM64-based Device Tree changes for
6.6, please pull the following:
- Krzysztof adds missing spaces between node names/labels
* tag 'arm-soc/for-6.6/devicetree-arm64' of https://github.com/Broadcom/stblinux:
arm64: dts: broadcom: add missing space before {
Link: https://lore.kernel.org/r/20230818164539.2871539-2-florian.fainelli@broadcom.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Before adding a port to bond, it need to be set down first. In the
lacpdu test the author set the port down specifically. But commit
a4abfa627c38 ("net: rtnetlink: Enslave device before bringing it up")
changed the operation order, the kernel will set the port down _after_
adding to bond. So all the ports will be down at last and the test failed.
In fact, the veth interfaces are already inactive when added. This
means there's no need to set them down again before adding to the bond.
Let's just remove the link down operation.
Fixes: a4abfa627c38 ("net: rtnetlink: Enslave device before bringing it up")
Reported-by: Zhengchao Shao <shaozhengchao@huawei.com>
Closes: https://lore.kernel.org/netdev/a0ef07c7-91b0-94bd-240d-944a330fcabd@huawei.com/
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://lore.kernel.org/r/20230817082459.1685972-1-liuhangbin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When cross-building the arm64 kernel with allmodconfig using GCC 9.4,
the following error occurs on multiple files under samples/ftrace/:
/tmp/ccPC1ODs.s: Assembler messages:
/tmp/ccPC1ODs.s:8: Error: selected processor does not support `bti c'
Fix this issue by replacing `bti c` with `hint 34`, which is compatible
for the older compiler.
Link: https://lore.kernel.org/linux-trace-kernel/20230820111509.1470826-1-gongruiqi@huaweicloud.com
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Florent Revest <revest@chromium.org>
Fixes: 8c3526fb86060cb5 ("arm64: ftrace: Add direct call trampoline samples support")
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: GONG, Ruiqi <gongruiqi1@huawei.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
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https://github.com/Broadcom/stblinux into soc/dt
This pull request contains Broadcom ARM-based Device Tree changes for
6.6, please pull the following:
- Arinc adds support for the Asus RT-AC3100 router based upon the
BCM47094 SoC
- Krzysztof splits interrupt properties per cell such that they are mode
readable and adds missing spaces in front of node names/labels
- Rafal updates the BCM5301X DTS to correct PCIe, SPI over GPIO
properties. He describes the Ethernet links to internal switch ports
and then updates the BCM53573 binding and Ethernet properties by
declaring the BCM53125 external switch on port 5, add Ethernet links
and
disables the second Ethernet MAC on Luxul devices.
- Dan describes the Wi-Fi regulatory mappings for Luxul devices
- Stanislav updates the bcm28155 DTS to use node labels
- Linus adds SEAMA compatible properties to MTD partitions
- Aleksey updates the Linksys EA6500 v2 to have the full 256MiB of DRAM
available
- Stefan updates a number of BCM283x nodes to confirm to DTS schema:
pinctrl, DMA controllers and PWM cells.
* tag 'arm-soc/for-6.6/devicetree' of https://github.com/Broadcom/stblinux: (23 commits)
ARM: dts: BCM5301X: Add DT for ASUS RT-AC3100
dt-bindings: arm: bcm: add bindings for ASUS RT-AC3100
ARM: dts: broadcom: split interrupts per cells
ARM: dts: BCM53573: Disable second Ethernet on Luxul devices
ARM: dts: BCM53573: Add Ethernet interfaces links
ARM: dts: BCM53573: Add BCM53125 switch port 5
ARM: dts: BCM53573: Describe BCM53125 switch ports in the main DTS
ARM: dts: BCM53573: Fix Tenda AC9 switch CPU port
ARM: dts: bcm28155-ap: use node labels
ARM: dts: bcm5301x: Add SEAMA compatibles
ARM: dts: BCM53573: Fix Ethernet info for Luxul devices
ARM: dts: BCM5301X: Extend RAM to full 256MB for Linksys EA6500 V2
dt-bindings: arm: bcm: add BCM53573 SoCs family binding
ARM: dts: BCM53573: Use updated "spi-gpio" binding properties
ARM: dts: BCM53573: Add cells sizes to PCIe node
ARM: dts: BCM53573: Drop nonexistent #usb-cells
ARM: dts: BCM53573: Drop nonexistent "default-off" LED trigger
ARM: dts: BCM5301X: Add Ethernet interfaces links
ARM: dts: BCM5301X: Add Wi-Fi regulatory mappings for Luxul devices
ARM: dts: broadcom: add missing space before {
...
Link: https://lore.kernel.org/r/20230818164539.2871539-1-florian.fainelli@broadcom.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux into soc/dt
SoCFPGA DTS updates for v6.6
- Fix dtbs_check warnings for usbphy, sram, rstmgr, memory, partitions
- Updated "stmmaceth-ocp" reset-names to "ahb" for stmmac ethernet
- Add initial support for Agilex5
* tag 'socfpga_dts_updates_for_v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux:
arm64: dts: agilex5: add initial support for Intel Agilex5 SoCFPGA
dt-bindings: clock: add Intel Agilex5 clock manager
dt-bindings: reset: add reset IDs for Agilex5
dt-bindings: intel: Add Intel Agilex5 compatible
arm64: dts: socfpga: change the reset-name of "stmmaceth-ocp" to "ahb"
arm64: dts: socfpga: n5x/stratix10: fix dtbs_check warning for partitions
arm64: dts: agilex/stratix10: Updated QSPI Flash layout for UBIFS
arm64: dts: agilex/stratix10/n5x: fix dtbs_check for rstmgr
arm64: dts: stratix10/agilex/n5x: fix dtbs_check warning for memory node
arm64: dts: socfpga: stratix10: fix dtbs_check warning for usbphy
arm64: dts: socfpga: agilex/stratix10: fix dtbs_check warnings for sram
Link: https://lore.kernel.org/r/20230819161418.931258-1-dinguyen@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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