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Tested both with Corsairs firmware 11.3 and 13.0 for the Corsairs MP600
and both have the issue as reported by the kernel.
nvme nvme0: missing or invalid SUBNQN field.
Signed-off-by: Claus Stovgaard <claus.stovgaard@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Some Kingston A2000 NVMe SSDs sooner or later get confused and stop
working when they use the deepest APST sleep while running Linux. The
system then crashes and one has to cold boot it to get the SSD working
again.
Kingston seems to known about this since at least mid-September 2020:
https://bbs.archlinux.org/viewtopic.php?pid=1926994#p1926994
Someone working for a German company representing Kingston to the German
press confirmed to me Kingston engineering is aware of the issue and
investigating; the person stated that to their current knowledge only
the deepest APST sleep state causes trouble. Therefore, make Linux avoid
it for now by applying the NVME_QUIRK_NO_DEEPEST_PS to this SSD.
I have two such SSDs, but it seems the problem doesn't occur with them.
I hence couldn't verify if this patch really fixes the problem, but all
the data in front of me suggests it should.
This patch can easily be reverted or improved upon if a better solution
surfaces.
FWIW, there are many reports about the issue scattered around the web;
most of the users disabled APST completely to make things work, some
just made Linux avoid the deepest sleep state:
https://bugzilla.kernel.org/show_bug.cgi?id=195039#c65
https://bugzilla.kernel.org/show_bug.cgi?id=195039#c73
https://bugzilla.kernel.org/show_bug.cgi?id=195039#c74
https://bugzilla.kernel.org/show_bug.cgi?id=195039#c78
https://bugzilla.kernel.org/show_bug.cgi?id=195039#c79
https://bugzilla.kernel.org/show_bug.cgi?id=195039#c80
https://askubuntu.com/questions/1222049/nvmekingston-a2000-sometimes-stops-giving-response-in-ubuntu-18-04dell-inspir
https://community.acer.com/en/discussion/604326/m-2-nvme-ssd-aspire-517-51g-issue-compatibility-kingston-a2000-linux-ubuntu
For the record, some data from 'nvme id-ctrl /dev/nvme0'
NVME Identify Controller:
vid : 0x2646
ssvid : 0x2646
mn : KINGSTON SA2000M81000G
fr : S5Z42105
[...]
ps 0 : mp:9.00W operational enlat:0 exlat:0 rrt:0 rrl:0
rwt:0 rwl:0 idle_power:- active_power:-
ps 1 : mp:4.60W operational enlat:0 exlat:0 rrt:1 rrl:1
rwt:1 rwl:1 idle_power:- active_power:-
ps 2 : mp:3.80W operational enlat:0 exlat:0 rrt:2 rrl:2
rwt:2 rwl:2 idle_power:- active_power:-
ps 3 : mp:0.0450W non-operational enlat:2000 exlat:2000 rrt:3 rrl:3
rwt:3 rwl:3 idle_power:- active_power:-
ps 4 : mp:0.0040W non-operational enlat:15000 exlat:15000 rrt:4 rrl:4
rwt:4 rwl:4 idle_power:- active_power:-
Cc: stable@vger.kernel.org # 4.14+
Signed-off-by: Thorsten Leemhuis <linux@leemhuis.info>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Currently we only explicitly power up the combo PHY lanes
for DP. The spec says we should do it for HDMI as well.
Cc: stable@vger.kernel.org
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210128155948.13678-3-ville.syrjala@linux.intel.com
Reviewed-by: Imre Deak <imre.deak@intel.com>
(cherry picked from commit 1e0cb7bef35f0d1aed383bf69a209df218b807c9)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Reduce the copypasta by pulling the combo PHY lane
power up stuff into a helper. We'll have a third user soon.
Cc: stable@vger.kernel.org
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210128155948.13678-2-ville.syrjala@linux.intel.com
Reviewed-by: Imre Deak <imre.deak@intel.com>
(cherry picked from commit 5cdf706fb91a6e4e6af799bb957c4d598e6a067b)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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In thunderbolt mode the PHY is owned by the thunderbolt controller.
We are not supposed to touch it. So skip the vswing programming
as well (we already skipped the other steps not applicable to TBT).
Touching this stuff could supposedly interfere with the PHY
programming done by the thunderbolt controller.
Cc: stable@vger.kernel.org
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210128155948.13678-1-ville.syrjala@linux.intel.com
Reviewed-by: Imre Deak <imre.deak@intel.com>
(cherry picked from commit f8c6b615b921d8a1bcd74870f9105e62b0bceff3)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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In case of failure in tc update skb the packet is dropped
without freeing the skb.
Fixed by freeing the skb in case failure in tc update skb.
Fixes: d6d27782864f ("net/mlx5: E-Switch, Restore chain id on miss")
Fixes: c75690972228 ("net/mlx5e: Add tc chains offload support for nic flows")
Signed-off-by: Maor Dickman <maord@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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max_opened_tc is used for stats, so that potentially non-zero stats
won't disappear when num_tc decreases. However, mlx5e_setup_tc_mqprio
fails to update it in the flow where channels are closed.
This commit fixes it. The new value of priv->channels.params.num_tc is
always checked on exit. In case of errors it will just be the old value,
and in case of success it will be the updated value.
Fixes: 05909babce53 ("net/mlx5e: Avoid reset netdev stats on configuration changes")
Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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When creation of a new rule that requires allocation of an FTE fails,
need to call to tree_put_node on the FTE in order to release its'
resource.
Fixes: cefc23554fc2 ("net/mlx5: Fix FTE cleanup")
Signed-off-by: Maor Gottlieb <maorg@nvidia.com>
Reviewed-by: Alaa Hleihel <alaa@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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The function calculation always results in a value of 0. This works
generally, but when the release all pages feature is enabled it will
result in crashes.
Fixes: 0aa128475d33 ("net/mlx5: Maintain separate page trees for ECPF and PF functions")
Signed-off-by: Daniel Jurgens <danielj@nvidia.com>
Reported-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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While addressing some warnings generated by -Warray-bounds, I found this
bug that was introduced back in 2017:
CC [M] fs/cifs/smb2pdu.o
fs/cifs/smb2pdu.c: In function ‘SMB2_negotiate’:
fs/cifs/smb2pdu.c:822:16: warning: array subscript 1 is above array bounds
of ‘__le16[1]’ {aka ‘short unsigned int[1]’} [-Warray-bounds]
822 | req->Dialects[1] = cpu_to_le16(SMB30_PROT_ID);
| ~~~~~~~~~~~~~^~~
fs/cifs/smb2pdu.c:823:16: warning: array subscript 2 is above array bounds
of ‘__le16[1]’ {aka ‘short unsigned int[1]’} [-Warray-bounds]
823 | req->Dialects[2] = cpu_to_le16(SMB302_PROT_ID);
| ~~~~~~~~~~~~~^~~
fs/cifs/smb2pdu.c:824:16: warning: array subscript 3 is above array bounds
of ‘__le16[1]’ {aka ‘short unsigned int[1]’} [-Warray-bounds]
824 | req->Dialects[3] = cpu_to_le16(SMB311_PROT_ID);
| ~~~~~~~~~~~~~^~~
fs/cifs/smb2pdu.c:816:16: warning: array subscript 1 is above array bounds
of ‘__le16[1]’ {aka ‘short unsigned int[1]’} [-Warray-bounds]
816 | req->Dialects[1] = cpu_to_le16(SMB302_PROT_ID);
| ~~~~~~~~~~~~~^~~
At the time, the size of array _Dialects_ was changed from 1 to 3 in struct
validate_negotiate_info_req, and then in 2019 it was changed from 3 to 4,
but those changes were never made in struct smb2_negotiate_req, which has
led to a 3 and a half years old out-of-bounds bug in function
SMB2_negotiate() (fs/cifs/smb2pdu.c).
Fix this by increasing the size of array _Dialects_ in struct
smb2_negotiate_req to 4.
Fixes: 9764c02fcbad ("SMB3: Add support for multidialect negotiate (SMB2.1 and later)")
Fixes: d5c7076b772a ("smb3: add smb3.1.1 to default dialect list")
Cc: stable@vger.kernel.org
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2021-02-01
This series contains updates to igc and i40e drivers.
Kai-Heng Feng fixes igc to report unknown speed and duplex during suspend
as an attempted read will cause errors.
Kevin Lo sets the default value to -IGC_ERR_NVM instead of success for
writing shadow RAM as this could miss a timeout. Also propagates the return
value for Flow Control configuration to properly pass on errors for igc.
Aleksandr reverts commit 2ad1274fa35a ("i40e: don't report link up for a VF
who hasn't enabled queues") as this can cause link flapping.
* '1GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
i40e: Revert "i40e: don't report link up for a VF who hasn't enabled queues"
igc: check return value of ret_val in igc_config_fc_after_link_up
igc: set the default return value to -IGC_ERR_NVM in igc_write_nvm_srwr
igc: Report speed and duplex as unknown when device is runtime suspended
====================
Link: https://lore.kernel.org/r/20210201214618.852831-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Signed-off-by: Vincent Bernat <vincent@bernat.ch>
Link: https://lore.kernel.org/r/20210130190518.854806-1-vincent@bernat.ch
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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UDP/IP header of UDP GROed frag_skbs are not updated even after NAT
forwarding. Only the header of head_skb from ip_finish_output_gso ->
skb_gso_segment is updated but following frag_skbs are not updated.
A call path skb_mac_gso_segment -> inet_gso_segment ->
udp4_ufo_fragment -> __udp_gso_segment -> __udp_gso_segment_list
does not try to update UDP/IP header of the segment list but copy
only the MAC header.
Update port, addr and check of each skb of the segment list in
__udp_gso_segment_list. It covers both SNAT and DNAT.
Fixes: 9fd1ff5d2ac7 (udp: Support UDP fraglist GRO/GSO.)
Signed-off-by: Dongseok Yi <dseok.yi@samsung.com>
Acked-by: Steffen Klassert <steffen.klassert@secunet.com>
Link: https://lore.kernel.org/r/1611962007-80092-1-git-send-email-dseok.yi@samsung.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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dev->hard_header_len for tunnel interface is set only when header_ops
are set too and already contains full overhead of any tunnel encapsulation.
That's why there is not need to use this overhead twice in mtu calc.
Fixes: fdafed459998 ("ip_gre: set dev->hard_header_len and dev->needed_headroom properly")
Reported-by: Slava Bacherikov <mail@slava.cc>
Signed-off-by: Vadim Fedorenko <vfedorenko@novek.ru>
Link: https://lore.kernel.org/r/1611959267-20536-1-git-send-email-vfedorenko@novek.ru
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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There are multiple similar bugs implicitly introduced by the
commit c0cfa2d8a788fcf4 ("vsock: add multi-transports support") and
commit 6a2c0962105ae8ce ("vsock: prevent transport modules unloading").
The bug pattern:
[1] vsock_sock.transport pointer is copied to a local variable,
[2] lock_sock() is called,
[3] the local variable is used.
VSOCK multi-transport support introduced the race condition:
vsock_sock.transport value may change between [1] and [2].
Let's copy vsock_sock.transport pointer to local variables after
the lock_sock() call.
Fixes: c0cfa2d8a788fcf4 ("vsock: add multi-transports support")
Signed-off-by: Alexander Popov <alex.popov@linux.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Jorgen Hansen <jhansen@vmware.com>
Link: https://lore.kernel.org/r/20210201084719.2257066-1-alex.popov@linux.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit e5f0e8f8e456 ("net: sched: introduce and use qdisc tree flush/purge helpers")
introduced qdisc tree flush/purge helpers, but erroneously used flush helper
instead of purge helper in qdisc_replace function.
This issue was found in our CI, that tests various qdisc setups by configuring
qdisc and sending data through it. Call of invalid helper sporadically leads
to corruption of vt_tree/cf_tree of hfsc_class that causes kernel oops:
Oops: 0000 [#1] SMP PTI
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.11.0-8f6859df #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.10.2-0-g5f4c7b1-prebuilt.qemu-project.org 04/01/2014
RIP: 0010:rb_insert_color+0x18/0x190
Code: c3 31 c0 c3 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 48 8b 07 48 85 c0 0f 84 05 01 00 00 48 8b 10 f6 c2 01 0f 85 34 01 00 00 <48> 8b 4a 08 49 89 d0 48 39 c1 74 7d 48 85 c9 74 32 f6 01 01 75 2d
RSP: 0018:ffffc900000b8bb0 EFLAGS: 00010246
RAX: ffff8881ef4c38b0 RBX: ffff8881d956e400 RCX: ffff8881ef4c38b0
RDX: 0000000000000000 RSI: ffff8881d956f0a8 RDI: ffff8881d956e4b0
RBP: 0000000000000000 R08: 000000d5c4e249da R09: 1600000000000000
R10: ffffc900000b8be0 R11: ffffc900000b8b28 R12: 0000000000000001
R13: 000000000000005a R14: ffff8881f0905000 R15: ffff8881f0387d00
FS: 0000000000000000(0000) GS:ffff8881f8b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000008 CR3: 00000001f4796004 CR4: 0000000000060ee0
Call Trace:
<IRQ>
init_vf.isra.19+0xec/0x250 [sch_hfsc]
hfsc_enqueue+0x245/0x300 [sch_hfsc]
? fib_rules_lookup+0x12a/0x1d0
? __dev_queue_xmit+0x4b6/0x930
? hfsc_delete_class+0x250/0x250 [sch_hfsc]
__dev_queue_xmit+0x4b6/0x930
? ip6_finish_output2+0x24d/0x590
ip6_finish_output2+0x24d/0x590
? ip6_output+0x6c/0x130
ip6_output+0x6c/0x130
? __ip6_finish_output+0x110/0x110
mld_sendpack+0x224/0x230
mld_ifc_timer_expire+0x186/0x2c0
? igmp6_group_dropped+0x200/0x200
call_timer_fn+0x2d/0x150
run_timer_softirq+0x20c/0x480
? tick_sched_do_timer+0x60/0x60
? tick_sched_timer+0x37/0x70
__do_softirq+0xf7/0x2cb
irq_exit+0xa0/0xb0
smp_apic_timer_interrupt+0x74/0x150
apic_timer_interrupt+0xf/0x20
</IRQ>
Fixes: e5f0e8f8e456 ("net: sched: introduce and use qdisc tree flush/purge helpers")
Signed-off-by: Alexander Ovechkin <ovov@yandex-team.ru>
Reported-by: Alexander Kuznetsov <wwfq@yandex-team.ru>
Acked-by: Dmitry Monakhov <dmtrmonakhov@yandex-team.ru>
Acked-by: Dmitry Yakunin <zeil@yandex-team.ru>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Link: https://lore.kernel.org/r/20210201200049.299153-1-ovov@yandex-team.ru
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Returning -EBUSY in ibmvnic_remove() does not actually hold the
removal procedure since driver core doesn't care for the return
value (see __device_release_driver() in drivers/base/dd.c
calling dev->bus->remove()) though vio_bus_remove
(in arch/powerpc/platforms/pseries/vio.c) records the
return value and passes it on. [1]
During the device removal precedure, checking for resetting
bit is dropped so that we can continue executing all the
cleanup calls in the rest of the remove function. Otherwise,
it can cause latent memory leaks and kernel crashes.
[1] https://lore.kernel.org/linuxppc-dev/20210117101242.dpwayq6wdgfdzirl@pengutronix.de/T/#m48f5befd96bc9842ece2a3ad14f4c27747206a53
Reported-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Fixes: 7d7195a026ba ("ibmvnic: Do not process device remove during device reset")
Signed-off-by: Lijun Pan <ljp@linux.ibm.com>
Link: https://lore.kernel.org/r/20210129043402.95744-1-ljp@linux.ibm.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Having multiple destination ports for a unicast address does not make
sense.
Make port_db_load_purge override existent unicast portvec instead of
adding a new port bit.
Fixes: 884729399260 ("net: dsa: mv88e6xxx: handle multiple ports in ATU")
Signed-off-by: DENG Qingfang <dqfext@gmail.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Link: https://lore.kernel.org/r/20210130134334.10243-1-dqfext@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Richard reports that the following test:
(while true; do
cat /sys/bus/nd/devices/nmem*/available_slots 2>&1 > /dev/null
done) &
while true; do
for i in $(seq 0 4); do
echo nmem$i > /sys/bus/nd/drivers/nvdimm/bind
done
for i in $(seq 0 4); do
echo nmem$i > /sys/bus/nd/drivers/nvdimm/unbind
done
done
...fails with a crash signature like:
divide error: 0000 [#1] SMP KASAN PTI
RIP: 0010:nd_label_nfree+0x134/0x1a0 [libnvdimm]
[..]
Call Trace:
available_slots_show+0x4e/0x120 [libnvdimm]
dev_attr_show+0x42/0x80
? memset+0x20/0x40
sysfs_kf_seq_show+0x218/0x410
The root cause is that available_slots_show() consults driver-data, but
fails to synchronize against device-unbind setting up a TOCTOU race to
access uninitialized memory.
Validate driver-data under the device-lock.
Fixes: 4d88a97aa9e8 ("libnvdimm, nvdimm: dimm driver and base libnvdimm device-driver infrastructure")
Cc: <stable@vger.kernel.org>
Cc: Vishal Verma <vishal.l.verma@intel.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: Coly Li <colyli@suse.com>
Reported-by: Richard Palethorpe <rpalethorpe@suse.com>
Acked-by: Richard Palethorpe <rpalethorpe@suse.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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This reverts commit 2ad1274fa35ace5c6360762ba48d33b63da2396c
VF queues were not brought up when PF was brought up after being
downed if the VF driver disabled VFs queues during PF down.
This could happen in some older or external VF driver implementations.
The problem was that PF driver used vf->queues_enabled as a condition
to decide what link-state it would send out which caused the issue.
Remove the check for vf->queues_enabled in the VF link notify.
Now VF will always be notified of the current link status.
Also remove the queues_enabled member from i40e_vf structure as it is
not used anymore. Otherwise VNF implementation was broken and caused
a link flap.
The original commit was a workaround to avoid breaking existing VFs though
it's really a fault of the VF code not the PF. The commit should be safe to
revert as all of the VFs we know of have been fixed. Also, since we now
know there is a related bug in the workaround, removing it is preferred.
Fixes: 2ad1274fa35a ("i40e: don't report link up for a VF who hasn't enabled")
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Signed-off-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Add Alder Lake mobile processor to CPU list to enumerate and enable the
split lock feature.
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Link: https://lkml.kernel.org/r/20210201190007.4031869-1-fenghua.yu@intel.com
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
"The rockship rkisp1 driver will be promoted from staging in 5.11.
While not too late, do a few uAPI changes which are needed to better
support its functionalities"
* tag 'media/v5.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
media: rockchip: rkisp1: extend uapi array sizes
media: rockchip: rkisp1: carry ip version information
media: rockchip: rkisp1: reduce number of histogram grid elements in uapi
media: rkisp1: stats: mask the hist_bins values
media: rkisp1: stats: remove a wrong cast to u8
media: rkisp1: uapi: change hist_bins array type from __u16 to __u32
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settings from the chip
Commit 81f153faacd0 ("staging: rtl8723bs: fix wireless regulatory API
misuse") moved the wiphy_apply_custom_regulatory() call to earlier in the
driver's init-sequence, so that it gets called before wiphy_register().
But at this point in time the eFuses which code the regulatory-settings
for the chip have not been read by the driver yet, causing
_rtw_reg_apply_flags() to set the IEEE80211_CHAN_DISABLED flag on *all*
channels.
On the device where I initially tested the fix, a Jumper EZpad 7 tablet,
this does not cause any problems because shortly after init the
rtw_reg_notifier() gets called fixing things up. I guess this happens
into response to receiving a (broadcast) packet with regulatory info
from the access-point ?
But on another device with a RTL8723BS wifi chip, an Acer Switch 10E
(SW3-016), the rtw_reg_notifier() never gets called. I assume that some
fuse has been set on this device to ignore regulatory info received from
access-points.
This means that on the Acer the driver is stuck in a state with all
channels disabled, leading to non working Wifi.
We cannot move the wiphy_apply_custom_regulatory() call back, because
that call must be made before the wiphy_register() call.
Instead move the entire rtw_wdev_alloc() call to after the Efuses have
been read, fixing all channels being disabled in the initial channel-map.
Fixes: 81f153faacd0 ("staging: rtl8723bs: fix wireless regulatory API misuse")
Cc: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20210201152956.370186-2-hdegoede@redhat.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Check return value from ret_val to make error check actually work.
Fixes: 4eb8080143a9 ("igc: Add setup link functionality")
Signed-off-by: Kevin Lo <kevlo@kevlo.org>
Acked-by: Sasha Neftin <sasha.neftin@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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This patch sets the default return value to -IGC_ERR_NVM in
igc_write_nvm_srwr. Without this change it wouldn't lead to a shadow RAM
write EEWR timeout.
Fixes: ab4056126813 ("igc: Add NVM support")
Signed-off-by: Kevin Lo <kevlo@kevlo.org>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Similar to commit 165ae7a8feb5 ("igb: Report speed and duplex as unknown
when device is runtime suspended"), if we try to read speed and duplex
sysfs while the device is runtime suspended, igc will complain and
stops working:
[ 123.449883] igc 0000:03:00.0 enp3s0: PCIe link lost, device now detached
[ 123.450052] BUG: kernel NULL pointer dereference, address: 0000000000000008
[ 123.450056] #PF: supervisor read access in kernel mode
[ 123.450058] #PF: error_code(0x0000) - not-present page
[ 123.450059] PGD 0 P4D 0
[ 123.450064] Oops: 0000 [#1] SMP NOPTI
[ 123.450068] CPU: 0 PID: 2525 Comm: udevadm Tainted: G U W OE 5.10.0-1002-oem #2+rkl2-Ubuntu
[ 123.450078] RIP: 0010:igc_rd32+0x1c/0x90 [igc]
[ 123.450080] Code: c0 5d c3 b8 fd ff ff ff c3 0f 1f 44 00 00 0f 1f 44 00 00 55 89 f0 48 89 e5 41 56 41 55 41 54 49 89 c4 53 48 8b 57 08 48 01 d0 <44> 8b 28 41 83 fd ff 74 0c 5b 44 89 e8 41 5c 41 5d 4
[ 123.450083] RSP: 0018:ffffb0d100d6fcc0 EFLAGS: 00010202
[ 123.450085] RAX: 0000000000000008 RBX: ffffb0d100d6fd30 RCX: 0000000000000000
[ 123.450087] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff945a12716c10
[ 123.450089] RBP: ffffb0d100d6fce0 R08: ffff945a12716550 R09: ffff945a09874000
[ 123.450090] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000008
[ 123.450092] R13: ffff945a12716000 R14: ffff945a037da280 R15: ffff945a037da290
[ 123.450094] FS: 00007f3b34c868c0(0000) GS:ffff945b89200000(0000) knlGS:0000000000000000
[ 123.450096] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 123.450098] CR2: 0000000000000008 CR3: 00000001144de006 CR4: 0000000000770ef0
[ 123.450100] PKRU: 55555554
[ 123.450101] Call Trace:
[ 123.450111] igc_ethtool_get_link_ksettings+0xd6/0x1b0 [igc]
[ 123.450118] __ethtool_get_link_ksettings+0x71/0xb0
[ 123.450123] duplex_show+0x74/0xc0
[ 123.450129] dev_attr_show+0x1d/0x40
[ 123.450134] sysfs_kf_seq_show+0xa1/0x100
[ 123.450137] kernfs_seq_show+0x27/0x30
[ 123.450142] seq_read+0xb7/0x400
[ 123.450148] ? common_file_perm+0x72/0x170
[ 123.450151] kernfs_fop_read+0x35/0x1b0
[ 123.450155] vfs_read+0xb5/0x1b0
[ 123.450157] ksys_read+0x67/0xe0
[ 123.450160] __x64_sys_read+0x1a/0x20
[ 123.450164] do_syscall_64+0x38/0x90
[ 123.450168] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 123.450170] RIP: 0033:0x7f3b351fe142
[ 123.450173] Code: c0 e9 c2 fe ff ff 50 48 8d 3d 3a ca 0a 00 e8 f5 19 02 00 0f 1f 44 00 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 0f 05 <48> 3d 00 f0 ff ff 77 56 c3 0f 1f 44 00 00 48 83 ec 28 48 89 54 24
[ 123.450174] RSP: 002b:00007fffef2ec138 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 123.450177] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3b351fe142
[ 123.450179] RDX: 0000000000001001 RSI: 00005644c047f070 RDI: 0000000000000003
[ 123.450180] RBP: 00007fffef2ec340 R08: 00005644c047f070 R09: 00007f3b352d9320
[ 123.450182] R10: 00005644c047c010 R11: 0000000000000246 R12: 00005644c047cbf0
[ 123.450184] R13: 00005644c047e6d0 R14: 0000000000000003 R15: 00007fffef2ec140
[ 123.450189] Modules linked in: rfcomm ccm cmac algif_hash algif_skcipher af_alg bnep toshiba_acpi industrialio toshiba_haps hp_accel lis3lv02d btusb btrtl btbcm btintel bluetooth ecdh_generic ecc joydev input_leds nls_iso8859_1 snd_sof_pci snd_sof_intel_byt snd_sof_intel_ipc snd_sof_intel_hda_common snd_soc_hdac_hda snd_hda_codec_hdmi snd_sof_xtensa_dsp snd_sof_intel_hda snd_sof snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_intel snd_intel_dspcfg soundwire_intel soundwire_generic_allocation soundwire_cadence snd_hda_codec snd_hda_core ath10k_pci snd_hwdep intel_rapl_msr intel_rapl_common ath10k_core soundwire_bus snd_soc_core x86_pkg_temp_thermal ath intel_powerclamp snd_compress ac97_bus snd_pcm_dmaengine mac80211 snd_pcm coretemp snd_seq_midi snd_seq_midi_event snd_rawmidi kvm_intel cfg80211 snd_seq snd_seq_device snd_timer mei_hdcp kvm libarc4 snd crct10dif_pclmul ghash_clmulni_intel aesni_intel
mei_me dell_wmi
[ 123.450266] dell_smbios soundcore sparse_keymap dcdbas crypto_simd cryptd mei dell_uart_backlight glue_helper ee1004 wmi_bmof intel_wmi_thunderbolt dell_wmi_descriptor mac_hid efi_pstore acpi_pad acpi_tad intel_cstate sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables autofs4 btrfs blake2b_generic raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear dm_mirror dm_region_hash dm_log hid_generic usbhid hid i915 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops cec crc32_pclmul rc_core drm intel_lpss_pci i2c_i801 ahci igc intel_lpss i2c_smbus idma64 xhci_pci libahci virt_dma xhci_pci_renesas wmi video pinctrl_tigerlake
[ 123.450335] CR2: 0000000000000008
[ 123.450338] ---[ end trace 9f731e38b53c35cc ]---
The more generic approach will be wrap get_link_ksettings() with begin()
and complete() callbacks, and calls runtime resume and runtime suspend
routine respectively. However, igc is like igb, runtime resume routine
uses rtnl_lock() which upper ethtool layer also uses.
So to prevent a deadlock on rtnl, take a different approach, use
pm_runtime_suspended() to avoid reading register while device is runtime
suspended.
Fixes: 8c5ad0dae93c ("igc: Add ethtool support")
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Acked-by: Sasha Neftin <sasha.neftin@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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With the new 2 step scanning process, which defers instantiating some
ACPI-devices based on their _DEP to the second step, the following may
happen:
1. During the first acpi_walk_namespace(acpi_bus_check_add) call
acpi_scan_check_dep() gets called on the Battery ACPI dev handle and
adds one or more deps for this handle to the acpi_dep_list
2. During the first acpi_bus_attach() call one or more of the suppliers of
these deps get their driver attached and
acpi_walk_dep_device_list(supplier_handle) gets called.
At this point acpi_bus_get_device(dep->consumer) get called,
but since the battery has DEPs it has not been instantiated during the
first acpi_walk_namespace(acpi_bus_check_add), so the
acpi_bus_get_device(dep->consumer) call fails.
Before this commit, acpi_walk_dep_device_list() would now continue
*without* removing the acpi_dep_data entry for this supplier,consumer
pair from the acpi_dep_list.
3. During the second acpi_walk_namespace(acpi_bus_check_add) call
an acpi_device gets instantiated for the battery and
acpi_scan_dep_init() gets called to initialize its dep_unmet val.
Before this commit, the dep_unmet count would include DEPs for
suppliers for which acpi_walk_dep_device_list(supplier_handle)
has already been called, so it will never become 0 and the
ACPI battery driver will never get attached / bind.
Fix the ACPI battery driver never binding in this scenario by making
acpi_walk_dep_device_list() always remove matching acpi_dep_data
entries independent of the acpi_bus_get_device(dep->consumer) call
succeeding or not.
Fixes: 71da201f38df ("ACPI: scan: Defer enumeration of devices with _DEP lists")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Commit 7a873e455567 ("KVM: selftests: Verify supported CR4 bits can be set
before KVM_SET_CPUID2") reveals that KVM allows to set X86_CR4_PCIDE even
when PCID support is missing:
==== Test Assertion Failure ====
x86_64/set_sregs_test.c:41: rc
pid=6956 tid=6956 - Invalid argument
1 0x000000000040177d: test_cr4_feature_bit at set_sregs_test.c:41
2 0x00000000004014fc: main at set_sregs_test.c:119
3 0x00007f2d9346d041: ?? ??:0
4 0x000000000040164d: _start at ??:?
KVM allowed unsupported CR4 bit (0x20000)
Add X86_FEATURE_PCID feature check to __cr4_reserved_bits() to make
kvm_is_valid_cr4() fail.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Message-Id: <20210201142843.108190-1-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Wanpeng Li <wanpengli@tencent.com>
Cc: kvm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Zheng Zhan Liang <zhengzhanliang@huorong.cn>
Message-Id: <20210201055310.267029-1-zhengzhanliang@huorong.cn>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Userspace that does not know about KVM_GET_MSR_FEATURE_INDEX_LIST
will generally use the default value for MSR_IA32_ARCH_CAPABILITIES.
When this happens and the host has tsx=on, it is possible to end up with
virtual machines that have HLE and RTM disabled, but TSX_CTRL available.
If the fleet is then switched to tsx=off, kvm_get_arch_capabilities()
will clear the ARCH_CAP_TSX_CTRL_MSR bit and it will not be possible to
use the tsx=off hosts as migration destinations, even though the guests
do not have TSX enabled.
To allow this migration, allow guests to write to their TSX_CTRL MSR,
while keeping the host MSR unchanged for the entire life of the guests.
This ensures that TSX remains disabled and also saves MSR reads and
writes, and it's okay to do because with tsx=off we know that guests will
not have the HLE and RTM features in their CPUID. (If userspace sets
bogus CPUID data, we do not expect HLE and RTM to work in guests anyway).
Cc: stable@vger.kernel.org
Fixes: cbbaa2727aa3 ("KVM: x86: fix presentation of TSX feature in ARCH_CAPABILITIES")
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Anj Duvnjak reports that the Kodi.tv NFS client is not able to read
video files from a v5.10.11 Linux NFS server.
The new sendpage-based TCP sendto logic was not attentive to non-
zero page_base values. nfsd_splice_read() sets that field when a
READ payload starts in the middle of a page.
The Linux NFS client rarely emits an NFS READ that is not page-
aligned. All of my testing so far has been with Linux clients, so I
missed this one.
Reported-by: A. Duvnjak <avian@extremenerds.net>
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=211471
Fixes: 4a85a6a3320b ("SUNRPC: Handle TCP socket sends with kernel_sendpage() again")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Tested-by: A. Duvnjak <avian@extremenerds.net>
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Tom reported that one of the GDB test-cases failed, and Boris bisected
it to commit:
d53d9bc0cf78 ("x86/debug: Change thread.debugreg6 to thread.virtual_dr6")
The debugging session led us to commit:
6c0aca288e72 ("x86: Ignore trap bits on single step exceptions")
It turns out that TF and data breakpoints are both traps and will be
merged, while instruction breakpoints are faults and will not be merged.
This means 6c0aca288e72 is wrong, only TF and instruction breakpoints
need to be excluded while TF and data breakpoints can be merged.
[ bp: Massage commit message. ]
Fixes: d53d9bc0cf78 ("x86/debug: Change thread.debugreg6 to thread.virtual_dr6")
Fixes: 6c0aca288e72 ("x86: Ignore trap bits on single step exceptions")
Reported-by: Tom de Vries <tdevries@suse.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: <stable@vger.kernel.org>
Link: https://lkml.kernel.org/r/YBMAbQGACujjfz%2Bi@hirez.programming.kicks-ass.net
Link: https://lkml.kernel.org/r/20210128211627.GB4348@worktop.programming.kicks-ass.net
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If the driver uses .sta_add, station entries are only uploaded after the sta
is in assoc state. Fix early station rate table updates by deferring them
until the sta has been uploaded.
Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://lore.kernel.org/r/20210201083324.3134-1-nbd@nbd.name
[use rcu_access_pointer() instead since we won't dereference here]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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For those unchecked endpoints, we don't allocate bandwidth for
them, so no need free the bandwidth, otherwise will decrease
the allocated bandwidth.
Meanwhile use xhci_dbg() instead of dev_dbg() to print logs and
rename bw_ep_list_new as bw_ep_chk_list.
Fixes: 1d69f9d901ef ("usb: xhci-mtk: fix unreleased bandwidth data")
Cc: stable <stable@vger.kernel.org>
Reviewed-and-tested-by: Ikjoon Jang <ikjn@chromium.org>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1612159064-28413-1-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Should clear the pipe running flag in usbhs_pkt_pop(). Otherwise,
we cannot use this pipe after dequeue was called while the pipe was
running.
Fixes: 8355b2b3082d ("usb: renesas_usbhs: fix the behavior of some usbhs_pkt_handle")
Reported-by: Tho Vu <tho.vu.wh@renesas.com>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/1612183640-8898-1-git-send-email-yoshihiro.shimoda.uh@renesas.com
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt into usb-linus
Mika writes:
thunderbolt: Fix for v5.11-rc7
A single fix for a possible NULL pointer dereference when adding device
links from ACPI description.
* tag 'thunderbolt-for-v5.11-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt:
thunderbolt: Fix possible NULL pointer dereference in tb_acpi_add_link()
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After refactoring, we had two variables for the same thing. Remove the
second declaration, one is enough here. Found by cppcheck.
drivers/gpio/gpiolib.c:2551:17: warning: Local variable 'ret' shadows outer variable [shadowVariable]
Fixes: d377f56f34f5 ("gpio: gpiolib: Normalize return code variable name")
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
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The implementation of sdhci_pltfm_suspend() is only available when
CONFIG_PM_SLEEP is set, which triggers a linking error:
"undefined symbol: sdhci_pltfm_suspend" when building sdhci-brcmstb.c.
Fix this by implementing the missing stubs when CONFIG_PM_SLEEP is unset.
Reported-by: Arnd Bergmann <arnd@arndb.de>
Suggested-by: Florian Fainelli <f.fainelli@gmail.com>
Fixes: 5b191dcba719 ("mmc: sdhci-brcmstb: Fix mmc timeout errors on S5 suspend")
Cc: stable@vger.kernel.org
Tested-By: Nicolas Schichan <nschichan@freeebox.fr>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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When analysing tuples fails we may loop indefinitely to retry. Let's avoid
this by using a 10s timeout and bail if not completed earlier.
Signed-off-by: Fengnan Chang <fengnanchang@gmail.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20210123033230.36442-1-fengnanchang@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Python retired in 2020, and some distributions do not provide the
'python' command any more.
As in commit 51839e29cb59 ("scripts: switch explicitly to Python 3"),
we need to use more specific 'python3' to invoke scripts even if they
are written in a way compatible with both Python 2 and 3.
This commit removes the variable 'PYTHON', and switches the existing
users to 'PYTHON3'.
BTW, PEP 394 (https://www.python.org/dev/peps/pep-0394/) is a helpful
material.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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An upcoming Dell platform is causing a NULL pointer dereference
in dell-wmi-sysman initialization. Validate that the input from
BIOS matches correct ACPI types and abort module initialization
if it fails.
Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Tested-by: Perry Yuan <perry_yuan@dell.com>
Link: https://lore.kernel.org/r/20210129172654.2326751-1-mario.limonciello@dell.com
[hdegoede@redhat.com: Drop redundant release_attributes_data() call]
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI fix from Borislav Petkov:
"A single fix from Lukas: handle boolean device properties imported
from Apple firmware correctly"
* tag 'efi-urgent-for-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi/apple-properties: Reinstate support for boolean properties
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fix from Borislav Petkov:
"A single fix for objtool to generate proper unwind info for newer
toolchains which do not generate section symbols anymore. And a
cleanup ontop.
This was originally going to go during the next merge window but
people can already trigger a build error with binutils-2.36 which
doesn't emit section symbols - something which objtool relies on - so
let's expedite it"
* tag 'x86_entry_for_v5.11_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/entry: Remove put_ret_addr_in_rdi THUNK macro argument
x86/entry: Emit a symbol for register restoring thunk
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Thomas Gleixner:
"A fix for handling advertised, but non-existent 146818 RTCs correctly.
With the recent UIP handling changes the time readout of non-existent
RTCs hangs forever as the read returns always 0xFF which means the UIP
bit is set.
Sanity check the RTC before registering by checking the RTC_VALID
register for correctness"
* tag 'timers-urgent-2021-01-31' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
rtc: mc146818: Detect and handle broken RTCs
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull single stepping fix from Thomas Gleixner:
"A single fix for the single step reporting regression caused by
getting the condition wrong when moving SYSCALL_EMU away from TIF
flags"
[ There's apparently another problem too, fix pending ]
* tag 'core-urgent-2021-01-31' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
entry: Unbreak single step reporting behaviour
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fix from Michael Ellerman:
"One fix for a bug in our soft interrupt masking, which could lead to
interrupt replaying recursing, causing spurious interrupts.
Thanks to Nicholas Piggin"
* tag 'powerpc-5.11-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/64s: prevent recursive replay_soft_interrupts causing superfluous interrupt
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fix from Wolfram Sang:
"Just one I2C driver update this time"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: mediatek: Move suspend and resume handling to NOIRQ phase
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git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds
Pull LED fixes from Pavel Machek:
"This pull is due to 'leds: trigger: fix potential deadlock with
libata' -- people find the warn annoying.
It also contains new driver and two trivial fixes"
* 'for-rc-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds:
leds: rt8515: Add Richtek RT8515 LED driver
dt-bindings: leds: Add DT binding for Richtek RT8515
leds: trigger: fix potential deadlock with libata
leds: leds-ariel: convert comma to semicolon
leds: leds-lm3533: convert comma to semicolon
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Pull NFS client fixes from Trond Myklebust:
- SUNRPC: Handle 0 length opaque XDR object data properly
- Fix a layout segment leak in pnfs_layout_process()
- pNFS/NFSv4: Update the layout barrier when we schedule a layoutreturn
- pNFS/NFSv4: Improve rejection of out-of-order layouts
- pNFS/NFSv4: Try to return invalid layout in pnfs_layout_process()
* tag 'nfs-for-5.11-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
SUNRPC: Handle 0 length opaque XDR object data properly
SUNRPC: Move simple_get_bytes and simple_get_netobj into private header
pNFS/NFSv4: Improve rejection of out-of-order layouts
pNFS/NFSv4: Update the layout barrier when we schedule a layoutreturn
pNFS/NFSv4: Try to return invalid layout in pnfs_layout_process()
pNFS/NFSv4: Fix a layout segment leak in pnfs_layout_process()
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