* Update a record in the MAINTAINERS database for Intel pin control drivers
The following is an automated git shortlog grouped by driver:
MAINTAINERS:
- Update Intel pin control to Supported
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Merge tag 'intel-pinctrl-v5.19-3' of gitolite.kernel.org:pub/scm/linux/kernel/git/pinctrl/intel into fixes
intel-pinctrl for v5.19-3
* Update a record in the MAINTAINERS database for Intel pin control drivers
The following is an automated git shortlog grouped by driver:
MAINTAINERS:
- Update Intel pin control to Supported
A customer reported a request_socket leak in a Calico cloud environment. We
found that a BPF program was doing a socket lookup with takes a refcnt on
the socket and that it was finding the request_socket but returning the parent
LISTEN socket via sk_to_full_sk() without decrementing the child request socket
1st, resulting in request_sock slab object leak. This patch retains the
existing behaviour of returning full socks to the caller but it also decrements
the child request_socket if one is present before doing so to prevent the leak.
Thanks to Curtis Taylor for all the help in diagnosing and testing this. And
thanks to Antoine Tenart for the reproducer and patch input.
v2 of this patch contains, refactor as per Daniel Borkmann's suggestions to
validate RCU flags on the listen socket so that it balances with bpf_sk_release()
and update comments as per Martin KaFai Lau's suggestion. One small change to
Daniels suggestion, put "sk = sk2" under "if (sk2 != sk)" to avoid an extra
instruction.
Fixes: f7355a6c04 ("bpf: Check sk_fullsock() before returning from bpf_sk_lookup()")
Fixes: edbf8c01de ("bpf: add skc_lookup_tcp helper")
Co-developed-by: Antoine Tenart <atenart@kernel.org>
Signed-off-by: Antoine Tenart <atenart@kernel.org>
Signed-off-by: Jon Maxwell <jmaxwell37@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Tested-by: Curtis Taylor <cutaylor-pub@yahoo.com>
Cc: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/56d6f898-bde0-bb25-3427-12a330b29fb8@iogearbox.net
Link: https://lore.kernel.org/bpf/20220615011540.813025-1-jmaxwell37@gmail.com
The other NAND pins on Port C use the "nand0" function name.
"nand0" also matches all of the other Allwinner SoCs.
Fixes: 4730f33f0d ("pinctrl: sunxi: add allwinner A83T PIO controller support")
Signed-off-by: Samuel Holland <samuel@sholland.org>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Link: https://lore.kernel.org/r/20220526024956.49500-1-samuel@sholland.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
pdesc could be null but still dereference pdesc->name and it will lead to
a null pointer access. So we move a null check before dereference.
Signed-off-by: Haowen Bai <baihaowen@meizu.com>
Link: https://lore.kernel.org/r/1650508019-22554-1-git-send-email-baihaowen@meizu.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Toke now maintains ath9k so update DT bindings as well.
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Acked-by: Toke Høiland-Jørgensen <toke@toke.dk>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220610133640.10810-1-kvalo@kernel.org
Instead of printing an error message, kvm_stat script fails when we
restrict statistics to a guest by its name and there are multiple guests
with such name:
# kvm_stat -g my_vm
Traceback (most recent call last):
File "/usr/bin/kvm_stat", line 1819, in <module>
main()
File "/usr/bin/kvm_stat", line 1779, in main
options = get_options()
File "/usr/bin/kvm_stat", line 1718, in get_options
options = argparser.parse_args()
File "/usr/lib64/python3.10/argparse.py", line 1825, in parse_args
args, argv = self.parse_known_args(args, namespace)
File "/usr/lib64/python3.10/argparse.py", line 1858, in parse_known_args
namespace, args = self._parse_known_args(args, namespace)
File "/usr/lib64/python3.10/argparse.py", line 2067, in _parse_known_args
start_index = consume_optional(start_index)
File "/usr/lib64/python3.10/argparse.py", line 2007, in consume_optional
take_action(action, args, option_string)
File "/usr/lib64/python3.10/argparse.py", line 1935, in take_action
action(self, namespace, argument_values, option_string)
File "/usr/bin/kvm_stat", line 1649, in __call__
' to specify the desired pid'.format(" ".join(pids)))
TypeError: sequence item 0: expected str instance, int found
To avoid this, it's needed to convert pids int values to strings before
pass them to join().
Signed-off-by: Dmitry Klochkov <kdmitry556@gmail.com>
Message-Id: <20220614121141.160689-1-kdmitry556@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The skb_recv_datagram() in ax25_recvmsg() will hold lock_sock
and block until it receives a packet from the remote. If the client
doesn`t connect to server and calls read() directly, it will not
receive any packets forever. As a result, the deadlock will happen.
The fail log caused by deadlock is shown below:
[ 369.606973] INFO: task ax25_deadlock:157 blocked for more than 245 seconds.
[ 369.608919] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 369.613058] Call Trace:
[ 369.613315] <TASK>
[ 369.614072] __schedule+0x2f9/0xb20
[ 369.615029] schedule+0x49/0xb0
[ 369.615734] __lock_sock+0x92/0x100
[ 369.616763] ? destroy_sched_domains_rcu+0x20/0x20
[ 369.617941] lock_sock_nested+0x6e/0x70
[ 369.618809] ax25_bind+0xaa/0x210
[ 369.619736] __sys_bind+0xca/0xf0
[ 369.620039] ? do_futex+0xae/0x1b0
[ 369.620387] ? __x64_sys_futex+0x7c/0x1c0
[ 369.620601] ? fpregs_assert_state_consistent+0x19/0x40
[ 369.620613] __x64_sys_bind+0x11/0x20
[ 369.621791] do_syscall_64+0x3b/0x90
[ 369.622423] entry_SYSCALL_64_after_hwframe+0x46/0xb0
[ 369.623319] RIP: 0033:0x7f43c8aa8af7
[ 369.624301] RSP: 002b:00007f43c8197ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000031
[ 369.625756] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f43c8aa8af7
[ 369.626724] RDX: 0000000000000010 RSI: 000055768e2021d0 RDI: 0000000000000005
[ 369.628569] RBP: 00007f43c8197f00 R08: 0000000000000011 R09: 00007f43c8198700
[ 369.630208] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff845e6afe
[ 369.632240] R13: 00007fff845e6aff R14: 00007f43c8197fc0 R15: 00007f43c8198700
This patch replaces skb_recv_datagram() with an open-coded variant of it
releasing the socket lock before the __skb_wait_for_more_packets() call
and re-acquiring it after such call in order that other functions that
need socket lock could be executed.
what's more, the socket lock will be released only when recvmsg() will
block and that should produce nicer overall behavior.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Suggested-by: Thomas Osterried <thomas@osterried.de>
Signed-off-by: Duoming Zhou <duoming@zju.edu.cn>
Reported-by: Thomas Habets <thomas@@habets.se>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We don't really know the state of req->extra{1,2] fields in
__io_fill_cqe_req(), if an opcode handler is not aware of CQE32 option,
it never sets them up properly. Track the state of those fields with a
request flag.
Fixes: 76c68fbf1a ("io_uring: enable CQE32")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/4b3e5be512fbf4debec7270fd485b8a3b014d464.1655287457.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
The only user of io_req_complete32()-like functions is cmd
requests. Instead of keeping the whole complete32 family, remove them
and provide the extras in already added for inline completions
req->extra{1,2}. When fill_cqe_res() finds CQE32 option enabled
it'll use those fields to fill a 32B cqe.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/af1319eb661b1f9a0abceb51cbbf72b8002e019d.1655287457.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
We want just one function that will handle both normal cqes and 32B
cqes. Combine __io_fill_cqe_req() and __io_fill_cqe_req32(). It's still
not entirely correct yet, but saves us from cases when we fill an CQE of
a wrong size.
Fixes: 76c68fbf1a ("io_uring: enable CQE32")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/8085c5b2f74141520f60decd45334f87e389b718.1655287457.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
The extra byte inserted by usbnet.c when
(length % dev->maxpacket == 0) is causing problems to device.
This patch sets FLAG_SEND_ZLP to avoid this.
Tested with: 0b95:1790 ASIX Electronics Corp. AX88179 Gigabit Ethernet
Problems observed:
======================================================================
1) Using ssh/sshfs. The remote sshd daemon can abort with the message:
"message authentication code incorrect"
This happens because the tcp message sent is corrupted during the
USB "Bulk out". The device calculate the tcp checksum and send a
valid tcp message to the remote sshd. Then the encryption detects
the error and aborts.
2) NETDEV WATCHDOG: ... (ax88179_178a): transmit queue 0 timed out
3) Stop normal work without any log message.
The "Bulk in" continue receiving packets normally.
The host sends "Bulk out" and the device responds with -ECONNRESET.
(The netusb.c code tx_complete ignore -ECONNRESET)
Under normal conditions these errors take days to happen and in
intense usage take hours.
A test with ping gives packet loss, showing that something is wrong:
ping -4 -s 462 {destination} # 462 = 512 - 42 - 8
Not all packets fail.
My guess is that the device tries to find another packet starting
at the extra byte and will fail or not depending on the next
bytes (old buffer content).
======================================================================
Signed-off-by: Jose Alonso <joalonsof@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2022-06-14
This series contains updates to ice driver only.
Michal fixes incorrect Tx timestamp offset calculation for E822 devices.
Roman enforces required VLAN filtering settings for double VLAN mode.
Przemyslaw fixes memory corruption issues with VFs by ensuring
queues are disabled in the error path of VF queue configuration and to
disabled VFs during reset.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Maintainers of the directory Documentation/devicetree/bindings/net
are also the maintainers of the corresponding directory
include/dt-bindings/net.
Add the file entry for include/dt-bindings/net to the appropriate
section in MAINTAINERS.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Link: https://lore.kernel.org/r/20220613121826.11484-1-lukas.bulwahn@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
It turned out that Lenovo shipped two completely different products
with the very same PCI SSID, where both require different quirks;
namely, Lenovo C940 has already the fixup for its speaker
(ALC298_FIXUP_LENOVO_SPK_VOLUME) with the PCI SSID 17aa:3818, while
Yoga Duet 7 has also the very same PCI SSID but requires a different
quirk, ALC287_FIXUP_YOGA7_14TIL_SPEAKERS.
Fortunately, both are with different codecs (C940 with ALC298 and Duet
7 with ALC287), hence we can apply different fixes by checking the
codec ID. This patch implements that special fixup function.
For easier handling, the internal function for applying a specific
fixup entry is exported as __snd_hda_apply_fixup(), so that it can be
called from the codec driver. The rest is simply calling it with a
different fixup ID depending on the codec ID.
Reported-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: nikitashvets@flyium.com
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/5ca147d1-3a2d-60c6-c491-8aa844183222@redhat.com
Link: https://lore.kernel.org/r/20220614054831.14648-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Latest drivers version requires phy-mode to be set. Otherwise we will
use "NA" mode and the switch driver will invalidate this port mode.
Fixes: 65ac79e181 ("net: dsa: microchip: add the phylink get_caps")
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://lore.kernel.org/r/20220610081621.584393-1-o.rempel@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Decrement the refcount of the parent dentry's fid after walking
each path component during a full path walk for a lookup. Failure to do
so can lead to fids that are not clunked until the filesystem is
unmounted, as indicated by this warning:
9pnet: found fid 3 not clunked
The improper refcounting after walking resulted in open(2) returning
-EIO on any directories underneath the mount point when using the virtio
transport. When using the fd transport, there's no apparent issue until
the filesytem is unmounted and the warning above is emitted to the logs.
In some cases, the user may not yet be attached to the filesystem and a
new root fid, associated with the user, is created and attached to the
root dentry before the full path walk is performed. Increment the new
root fid's refcount to two in that situation so that it can be safely
decremented to one after it is used for the walk operation. The new fid
will still be attached to the root dentry when
v9fs_fid_lookup_with_uid() returns so a final refcount of one is
correct/expected.
Link: https://lkml.kernel.org/r/20220527000003.355812-2-tyhicks@linux.microsoft.com
Link: https://lkml.kernel.org/r/20220612085330.1451496-4-asmadeus@codewreck.org
Fixes: 6636b6dcc3 ("9p: add refcount to p9_fid struct")
Cc: stable@vger.kernel.org
Signed-off-by: Tyler Hicks <tyhicks@linux.microsoft.com>
Reviewed-by: Christian Schoenebeck <linux_oss@crudebyte.com>
[Dominique: fix clunking fid multiple times discussed in second link]
Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>
we check for protocol version later than required, after a fid has
been obtained. Just move the version check earlier.
Link: https://lkml.kernel.org/r/20220612085330.1451496-3-asmadeus@codewreck.org
Fixes: 6636b6dcc3 ("9p: add refcount to p9_fid struct")
Cc: stable@vger.kernel.org
Reviewed-by: Tyler Hicks <tyhicks@linux.microsoft.com>
Reviewed-by: Christian Schoenebeck <linux_oss@crudebyte.com>
Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>
We need to release directory fid if we fail halfway through open
This fixes fid leaking with xfstests generic 531
Link: https://lkml.kernel.org/r/20220612085330.1451496-2-asmadeus@codewreck.org
Fixes: 6636b6dcc3 ("9p: add refcount to p9_fid struct")
Cc: stable@vger.kernel.org
Reported-by: Tyler Hicks <tyhicks@linux.microsoft.com>
Reviewed-by: Tyler Hicks <tyhicks@linux.microsoft.com>
Reviewed-by: Christian Schoenebeck <linux_oss@crudebyte.com>
Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>
'bgmac' is part of a managed resource allocated with bgmac_alloc(). It
should not be freed explicitly.
Remove the erroneous kfree() from the .remove() function.
Fixes: 34a5102c32 ("net: bgmac: allocate struct bgmac just once & don't copy it")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/a026153108dd21239036a032b95c25b5cece253b.1655153616.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The result from ->get_cd() may be incorrect as the card detect debouncing
isn't managed correctly. Let's fix it.
Signed-off-by: Chevron Li<chevron.li@bayhubtech.com>
Fixes: 7d44061704 ("mmc: sdhci-pci-o2micro: Fix O2 Host data read/write DLL Lock phase shift issue")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20220602132543.596-1-chevron.li@bayhubtech.com
[Ulf: Updated the commit message]
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The clsk are prepared, enabled, then disabled. So if an error occurs after
the disable step, they are still prepared.
Add an error handling path to unprepare the clks in such a case, as already
done in the .remove function.
Fixes: 8b4fc246c3 ("i2c: mediatek: Optimize master_xfer() and avoid circular locking")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Qii Wang <qii.wang@mediatek.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
The dma_map_sgtable() call (used to invalidate cache) overwrites sgt->nents
with 1, so msm_iommu_pagetable_map maps only the first physical segment.
To fix this problem use for_each_sgtable_sg(), which uses orig_nents.
Fixes: b145c6e65e ("drm/msm: Add support to create a local pagetable")
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Link: https://lore.kernel.org/r/20220613221019.11399-1-jonathan@marek.ca
Signed-off-by: Rob Clark <robdclark@chromium.org>
Commit e81fb4198e ("netfs: Further cleanups after struct netfs_inode
wrapper introduced") changed the argument types and names, and actually
updated the comment too (although that was thanks to David Howells, not
me: my original patch only changed the code).
But the comment fixup didn't go quite far enough, and didn't change the
argument name in the comment, resulting in
include/linux/netfs.h:314: warning: Function parameter or member 'ctx' not described in 'netfs_inode_init'
include/linux/netfs.h:314: warning: Excess function parameter 'inode' description in 'netfs_inode_init'
during htmldoc generation.
Fixes: e81fb4198e ("netfs: Further cleanups after struct netfs_inode wrapper introduced")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Unlike GCC clang uses a single compiler image to support multiple target
architectures meaning that we can't simply rely on CROSS_COMPILE to select
the output architecture. Instead we must pass --target to the compiler to
tell it what to output, kselftest was not doing this so cross compilation
of kselftest using clang resulted in kselftest being built for the host
architecture.
More work is required to fix tests using custom rules but this gets the
bulk of things building.
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
[Why]
For OLED eDP the Display Manager uses max_cll value as a limit
for brightness control.
max_cll defines the content light luminance for individual pixel.
Whereas max_fall defines frame-average level luminance.
The user may not observe the difference in brightness in between
max_fall and max_cll.
That negatively impacts the user experience.
[How]
Use max_fall value instead of max_cll as a limit for brightness control.
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Roman Li <roman.li@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
The commit below changed the TTM manager size unit from pages to
bytes, but failed to adjust the corresponding calculations in
amdgpu_ioctl.
Fixes: dfa714b88e ("drm/amdgpu: remove GTT accounting v2")
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1930
Bug: https://gitlab.freedesktop.org/mesa/mesa/-/issues/6642
Tested-by: Martin Roukala <martin.roukala@mupuf.org>
Tested-by: Mike Lothian <mike@fireburn.co.uk>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Michel Dänzer <mdaenzer@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 5.18.x
This partially reverts a7c41b4687
Even though IORING_CLOSE_FD_AND_FILE_SLOT might save cycles for some
users, but it tries to do two things at a time and it's not clear how to
handle errors and what to return in a single result field when one part
fails and another completes well. Kill it for now.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/837c745019b3795941eee4fcfd7de697886d645b.1655224415.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Disable VF's RX/TX queues, when VIRTCHNL_OP_CONFIG_VSI_QUEUES fail.
Not disabling them might lead to scenario, where PF driver leaves VF
queues enabled, when VF's VSI failed queue config.
In this scenario VF should not have RX/TX queues enabled. If PF failed
to set up VF's queues, VF will reset due to TX timeouts in VF driver.
Initialize iterator 'i' to -1, so if error happens prior to configuring
queues then error path code will not disable queue 0. Loop that
configures queues will is using same iterator, so error path code will
only disable queues that were configured.
Fixes: 77ca27c417 ("ice: add support for virtchnl_queue_select.[tx|rx]_queues bitmap")
Suggested-by: Slawomir Laba <slawomirx.laba@intel.com>
Signed-off-by: Przemyslaw Patynowski <przemyslawx.patynowski@intel.com>
Signed-off-by: Mateusz Palczewski <mateusz.palczewski@intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
VLAN filtering features, that is C-Tag and S-Tag, in DVM mode must be
both enabled or disabled.
In case of turning off/on only one of the features, another feature must
be turned off/on automatically with issuing an appropriate message to
the kernel log.
Fixes: 1babaf77f4 ("ice: Advertise 802.1ad VLAN filtering and offloads for PF netdev")
Signed-off-by: Roman Storozhenko <roman.storozhenko@intel.com>
Co-developed-by: Anatolii Gerasymenko <anatolii.gerasymenko@intel.com>
Signed-off-by: Anatolii Gerasymenko <anatolii.gerasymenko@intel.com>
Tested-by: Gurucharan <gurucharanx.g@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
The offset was being incorrectly calculated for E822 - that led to
collisions in choosing TX timestamp register location when more than
one port was trying to use timestamping mechanism.
In E822 one quad is being logically split between ports, so quad 0 is
having trackers for ports 0-3, quad 1 ports 4-7 etc. Each port should
have separate memory location for tracking timestamps. Due to error for
example ports 1 and 2 had been assigned to quad 0 with same offset (0),
while port 1 should have offset 0 and 1 offset 16.
Fix it by correctly calculating quad offset.
Fixes: 3a7496234d ("ice: implement basic E822 PTP support")
Signed-off-by: Michal Michalik <michal.michalik@intel.com>
Tested-by: Gurucharan <gurucharanx.g@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
* Properly reset the SVE/SME flags on vcpu load
* Fix a vgic-v2 regression regarding accessing the pending
state of a HW interrupt from userspace (and make the code
common with vgic-v3)
* Fix access to the idreg range for protected guests
* Ignore 'kvm-arm.mode=protected' when using VHE
* Return an error from kvm_arch_init_vm() on allocation failure
* A bunch of small cleanups (comments, annotations, indentation)
RISC-V:
* Typo fix in arch/riscv/kvm/vmid.c
* Remove broken reference pattern from MAINTAINERS entry
x86-64:
* Fix error in page tables with MKTME enabled
* Dirty page tracking performance test extended to running a nested
guest
* Disable APICv/AVIC in cases that it cannot implement correctly
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"While last week's pull request contained miscellaneous fixes for x86,
this one covers other architectures, selftests changes, and a bigger
series for APIC virtualization bugs that were discovered during 5.20
development. The idea is to base 5.20 development for KVM on top of
this tag.
ARM64:
- Properly reset the SVE/SME flags on vcpu load
- Fix a vgic-v2 regression regarding accessing the pending state of a
HW interrupt from userspace (and make the code common with vgic-v3)
- Fix access to the idreg range for protected guests
- Ignore 'kvm-arm.mode=protected' when using VHE
- Return an error from kvm_arch_init_vm() on allocation failure
- A bunch of small cleanups (comments, annotations, indentation)
RISC-V:
- Typo fix in arch/riscv/kvm/vmid.c
- Remove broken reference pattern from MAINTAINERS entry
x86-64:
- Fix error in page tables with MKTME enabled
- Dirty page tracking performance test extended to running a nested
guest
- Disable APICv/AVIC in cases that it cannot implement correctly"
[ This merge also fixes a misplaced end parenthesis bug introduced in
commit 3743c2f025 ("KVM: x86: inhibit APICv/AVIC on changes to APIC
ID or APIC base") pointed out by Sean Christopherson ]
Link: https://lore.kernel.org/all/20220610191813.371682-1-seanjc@google.com/
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (34 commits)
KVM: selftests: Restrict test region to 48-bit physical addresses when using nested
KVM: selftests: Add option to run dirty_log_perf_test vCPUs in L2
KVM: selftests: Clean up LIBKVM files in Makefile
KVM: selftests: Link selftests directly with lib object files
KVM: selftests: Drop unnecessary rule for STATIC_LIBS
KVM: selftests: Add a helper to check EPT/VPID capabilities
KVM: selftests: Move VMX_EPT_VPID_CAP_AD_BITS to vmx.h
KVM: selftests: Refactor nested_map() to specify target level
KVM: selftests: Drop stale function parameter comment for nested_map()
KVM: selftests: Add option to create 2M and 1G EPT mappings
KVM: selftests: Replace x86_page_size with PG_LEVEL_XX
KVM: x86: SVM: fix nested PAUSE filtering when L0 intercepts PAUSE
KVM: x86: SVM: drop preempt-safe wrappers for avic_vcpu_load/put
KVM: x86: disable preemption around the call to kvm_arch_vcpu_{un|}blocking
KVM: x86: disable preemption while updating apicv inhibition
KVM: x86: SVM: fix avic_kick_target_vcpus_fast
KVM: x86: SVM: remove avic's broken code that updated APIC ID
KVM: x86: inhibit APICv/AVIC on changes to APIC ID or APIC base
KVM: x86: document AVIC/APICv inhibit reasons
KVM: x86/mmu: Set memory encryption "value", not "mask", in shadow PDPTRs
...
Two points of potential failure in the generic transmit function are:
1. completion queue (cq) reservation failure.
2. skb allocation failure
Originally the cq reservation was performed first, followed by the skb
allocation. Commit 675716400d ("xdp: fix possible cq entry leak")
reversed the order because at the time there was no mechanism available
to undo the cq reservation which could have led to possible cq entry leaks
in the event of skb allocation failure. However if the skb allocation is
performed first and the cq reservation then fails, the xsk skb destructor
is called which blindly adds the skb address to the already full cq leading
to undefined behavior.
This commit restores the original order (cq reservation followed by skb
allocation) and uses the xskq_prod_cancel helper to undo the cq reserve
in event of skb allocation failure.
Fixes: 675716400d ("xdp: fix possible cq entry leak")
Signed-off-by: Ciara Loftus <ciara.loftus@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Magnus Karlsson <magnus.karlsson@intel.com>
Link: https://lore.kernel.org/bpf/20220614070746.8871-1-ciara.loftus@intel.com
Stale Data.
They are a class of MMIO-related weaknesses which can expose stale data
by propagating it into core fill buffers. Data which can then be leaked
using the usual speculative execution methods.
Mitigations include this set along with microcode updates and are
similar to MDS and TAA vulnerabilities: VERW now clears those buffers
too.
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Merge tag 'x86-bugs-2022-06-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 MMIO stale data fixes from Thomas Gleixner:
"Yet another hw vulnerability with a software mitigation: Processor
MMIO Stale Data.
They are a class of MMIO-related weaknesses which can expose stale
data by propagating it into core fill buffers. Data which can then be
leaked using the usual speculative execution methods.
Mitigations include this set along with microcode updates and are
similar to MDS and TAA vulnerabilities: VERW now clears those buffers
too"
* tag 'x86-bugs-2022-06-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/speculation/mmio: Print SMT warning
KVM: x86/speculation: Disable Fill buffer clear within guests
x86/speculation/mmio: Reuse SRBDS mitigation for SBDS
x86/speculation/srbds: Update SRBDS mitigation selection
x86/speculation/mmio: Add sysfs reporting for Processor MMIO Stale Data
x86/speculation/mmio: Enable CPU Fill buffer clearing on idle
x86/bugs: Group MDS, TAA & Processor MMIO Stale Data mitigations
x86/speculation/mmio: Add mitigation for Processor MMIO Stale Data
x86/speculation: Add a common function for MD_CLEAR mitigation update
x86/speculation/mmio: Enumerate Processor MMIO Stale Data bug
Documentation: Add documentation for Processor MMIO Stale Data
Both RIF and ACL flow counters use a 24-bit SW-managed counter address to
communicate which counter they want to bind.
In a number of Spectrum FW releases, binding a RIF counter is broken and
slices the counter index to 16 bits. As a result, on Spectrum-2 and above,
no more than about 410 RIF counters can be effectively used. This
translates to 205 netdevices for which L3 HW stats can be enabled. (This
does not happen on Spectrum-1, because there are fewer counters available
overall and the counter index never exceeds 16 bits.)
Binding counters to ACLs does not have this issue. Therefore reorder the
counter allocation scheme so that RIF counters come first and therefore get
lower indices that are below the 16-bit barrier.
Fixes: 98e60dce4d ("Merge branch 'mlxsw-Introduce-initial-Spectrum-2-support'")
Reported-by: Maksym Yaremchuk <maksymy@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Link: https://lore.kernel.org/r/20220613125017.2018162-1-idosch@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Commit dd8b6803bc ("exynos: drm: dsi: Attach in_bridge in MIC driver")
moved Exynos MIC attaching from DSI to MIC driver. However the method
proposed there is incomplete and cannot really work. To properly attach
it to the bridge chain, access to the respective encoder is needed. The
Exynos MIC driver always attaches to the encoder created by the Exynos
DSI driver, so grab it via available helpers for getting access to the
CRTC and encoders. This also requires to change the order of driver
component binding to let DSI to be bound before MIC.
Fixes: dd8b6803bc ("exynos: drm: dsi: Attach in_bridge in MIC driver")
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Fixed merge conflict.
Signed-off-by: Inki Dae <inki.dae@samsung.com>
The of_drm_find_bridge() does not return error pointers, it returns
NULL on error.
Fixes: dd8b6803bc ("exynos: drm: dsi: Attach in_bridge in MIC driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
The Baikal-T1 AXI bus driver correctly handles the deferred probe
situation, but still pollutes the system log with a misleading error
message. Let's fix that by using the dev_err_probe() method to print the
log message in case of the clocks/resets request errors.
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Link: https://lore.kernel.org/r/20220610104030.28399-2-Sergey.Semin@baikalelectronics.ru'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The Baikal-T1 APB bus driver correctly handles the deferred probe
situation, but still pollutes the system log with a misleading error
message. Let's fix that by using the dev_err_probe() method to print the
log message in case of the clocks/resets request errors.
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Link: https://lore.kernel.org/r/20220610104030.28399-1-Sergey.Semin@baikalelectronics.ru'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
please pull the following:
- Nicolas steps down from maintaining the BCM283x/BCM2711 (Raspberry
Pi) architecture and designates Florian to take care of that
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Merge tag 'arm-soc/for-5.19/maintainers-fixes' of https://github.com/Broadcom/stblinux into arm/fixes
This pull request contains MAINTAINERS file update for Broadcom SoCs,
please pull the following:
- Nicolas steps down from maintaining the BCM283x/BCM2711 (Raspberry
Pi) architecture and designates Florian to take care of that
* tag 'arm-soc/for-5.19/maintainers-fixes' of https://github.com/Broadcom/stblinux:
MAINTAINERS: Update BCM2711/BCM2835 maintainer
Link: https://lore.kernel.org/r/20220608093132.1465703-2-f.fainelli@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- MAINTAINERS: Add s32@nxp.com as a review group.
- dts: Pass unit name to soc node to fix a W=1 build warning.
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Merge tag 's32g2-fixes-5.19' of https://github.com/chesterlintw/linux-s32g into arm/fixes
S32G2 fixes for 5.19
- MAINTAINERS: Add s32@nxp.com as a review group.
- dts: Pass unit name to soc node to fix a W=1 build warning.
* tag 's32g2-fixes-5.19' of https://github.com/chesterlintw/linux-s32g:
MAINTAINERS: add a new reviewer for S32G
arm64: s32g2: Pass unit name to soc node
Link: https://lore.kernel.org/r/Yp9Y4nGrQ2kVKV6S@linux-8mug
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
of_find_compatible_node() returns a node pointer with refcount
incremented, we should use of_node_put() on it when done.
Add missing of_node_put() to avoid refcount leak.
Fixes: 1d22924e1c ("ARM: Add platform support for LSI AXM55xx SoC")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220601090548.47616-1-linmq006@gmail.com'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
When calling setattr_prepare() to determine the validity of the
attributes the ia_{g,u}id fields contain the value that will be written
to inode->i_{g,u}id. This is exactly the same for idmapped and
non-idmapped mounts and allows callers to pass in the values they want
to see written to inode->i_{g,u}id.
When group ownership is changed a caller whose fsuid owns the inode can
change the group of the inode to any group they are a member of. When
searching through the caller's groups we need to use the gid mapped
according to the idmapped mount otherwise we will fail to change
ownership for unprivileged users.
Consider a caller running with fsuid and fsgid 1000 using an idmapped
mount that maps id 65534 to 1000 and 65535 to 1001. Consequently, a file
owned by 65534:65535 in the filesystem will be owned by 1000:1001 in the
idmapped mount.
The caller now requests the gid of the file to be changed to 1000 going
through the idmapped mount. In the vfs we will immediately map the
requested gid to the value that will need to be written to inode->i_gid
and place it in attr->ia_gid. Since this idmapped mount maps 65534 to
1000 we place 65534 in attr->ia_gid.
When we check whether the caller is allowed to change group ownership we
first validate that their fsuid matches the inode's uid. The
inode->i_uid is 65534 which is mapped to uid 1000 in the idmapped mount.
Since the caller's fsuid is 1000 we pass the check.
We now check whether the caller is allowed to change inode->i_gid to the
requested gid by calling in_group_p(). This will compare the passed in
gid to the caller's fsgid and search the caller's additional groups.
Since we're dealing with an idmapped mount we need to pass in the gid
mapped according to the idmapped mount. This is akin to checking whether
a caller is privileged over the future group the inode is owned by. And
that needs to take the idmapped mount into account. Note, all helpers
are nops without idmapped mounts.
New regression test sent to xfstests.
Link: https://github.com/lxc/lxd/issues/10537
Link: https://lore.kernel.org/r/20220613111517.2186646-1-brauner@kernel.org
Fixes: 2f221d6f7b ("attr: handle idmapped mounts")
Cc: Seth Forshee <sforshee@digitalocean.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Aleksa Sarai <cyphar@cyphar.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: stable@vger.kernel.org # 5.15+
CC: linux-fsdevel@vger.kernel.org
Reviewed-by: Seth Forshee <sforshee@digitalocean.com>
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
Linus Walleij
Jon Maxwell
Samuel Holland
Haowen Bai
Kalle Valo
Dmitry Klochkov
Duoming Zhou
Pavel Begunkov
Jose Alonso
David S. Miller
Lukas Bulwahn
Takashi Iwai
Oleksij Rempel
Tyler Hicks
Dominique Martinet
Christophe JAILLET
Chevron Li
Jonathan Marek
Linus Torvalds
Mark Brown
Roman Li
Michel Dänzer
Przemyslaw Patynowski
Roman Storozhenko
Michal Michalik
Ciara Loftus
Petr Machata
Marek Szyprowski
Dan Carpenter
Serge Semin
Arnd Bergmann
Miaoqian Lin
Christian Brauner