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mirror of https://github.com/edk2-porting/linux-next.git synced 2025-01-07 13:13:57 +08:00
Commit Graph

1014581 Commits

Author SHA1 Message Date
Hui Wang
9ebaef0540 ALSA: hda/realtek: the bass speaker can't output sound on Yoga 9i
The Lenovo Yoga 9i has bass speaker, but the bass speaker can't work,
that is because there is an i2s amplifier on that speaker, need to
run ideapad_s740_coef() to initialize the amplifier.

And also needs to apply ALC285_FIXUP_THINKPAD_HEADSET_JACK to rename
the speaker's mixer control name, otherwise the PA can't handle them.

BugLink: http://bugs.launchpad.net/bugs/1926165
Signed-off-by: Hui Wang <hui.wang@canonical.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210522042645.14221-1-hui.wang@canonical.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-05-22 08:49:15 +02:00
Hui Wang
119b75c150 ALSA: hda/realtek: Headphone volume is controlled by Front mixer
On some ASUS and MSI machines, the audio codec is alc1220 and the
Headphone is connected to audio mixer 0xf and DAC 0x5, in theory
the Headphone volume is controlled by DAC 0x5 (Heapdhone Playback
Volume), but somehow it is controlled by DAC 0x2 (Front Playback
Volume), maybe this is a defect on the codec alc1220.

Because of this issue, the PA couldn't switch the headphone and
Lineout correctly, If we apply the quirk CLEVO_P950 to those machines,
the Lineout and Headphone will share the audio mixer 0xc and DAC 0x2,
and generate Headphone+LO mixer, then PA could handle them when
switching between them.

BugLink: https://gitlab.freedesktop.org/pipewire/pipewire/-/issues/1206
Cc: <stable@vger.kernel.org>
Signed-off-by: Hui Wang <hui.wang@canonical.com>
Link: https://lore.kernel.org/r/20210522034741.13415-1-hui.wang@canonical.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-05-22 08:48:47 +02:00
Linus Torvalds
a3969ef463 Fixes for 5.13-rc3:
- Fix some math errors in the realtime allocator when extent size hints
   are applied.
 - Fix unnecessary short writes to realtime files when free space is
   fragmented.
 - Fix a crash when using scrub tracepoints.
 - Restore ioctl uapi definitions that were accidentally removed in
   5.13-rc1.
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Merge tag 'xfs-5.13-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull xfs fixes from Darrick Wong:

 - Fix some math errors in the realtime allocator when extent size hints
   are applied.

 - Fix unnecessary short writes to realtime files when free space is
   fragmented.

 - Fix a crash when using scrub tracepoints.

 - Restore ioctl uapi definitions that were accidentally removed in
   5.13-rc1.

* tag 'xfs-5.13-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  xfs: restore old ioctl definitions
  xfs: fix deadlock retry tracepoint arguments
  xfs: retry allocations when locality-based search fails
  xfs: adjust rt allocation minlen when extszhint > rtextsize
2021-05-21 18:45:09 -10:00
Dmitry Bogdanov
2ef7665dfd scsi: target: qla2xxx: Wait for stop_phase1 at WWN removal
Target de-configuration panics at high CPU load because TPGT and WWPN can
be removed on separate threads.

TPGT removal requests a reset HBA on a separate thread and waits for reset
complete (phase1). Due to high CPU load that HBA reset can be delayed for
some time.

WWPN removal does qlt_stop_phase2(). There it is believed that phase1 has
already completed and thus tgt.tgt_ops is subsequently cleared. However,
tgt.tgt_ops is needed to process incoming traffic and therefore this will
cause one of the following panics:

NIP qlt_reset+0x7c/0x220 [qla2xxx]
LR  qlt_reset+0x68/0x220 [qla2xxx]
Call Trace:
0xc000003ffff63a78 (unreliable)
qlt_handle_imm_notify+0x800/0x10c0 [qla2xxx]
qlt_24xx_atio_pkt+0x208/0x590 [qla2xxx]
qlt_24xx_process_atio_queue+0x33c/0x7a0 [qla2xxx]
qla83xx_msix_atio_q+0x54/0x90 [qla2xxx]

or

NIP qlt_24xx_handle_abts+0xd0/0x2a0 [qla2xxx]
LR  qlt_24xx_handle_abts+0xb4/0x2a0 [qla2xxx]
Call Trace:
qlt_24xx_handle_abts+0x90/0x2a0 [qla2xxx] (unreliable)
qlt_24xx_process_atio_queue+0x500/0x7a0 [qla2xxx]
qla83xx_msix_atio_q+0x54/0x90 [qla2xxx]

or

NIP qlt_create_sess+0x90/0x4e0 [qla2xxx]
LR  qla24xx_do_nack_work+0xa8/0x180 [qla2xxx]
Call Trace:
0xc0000000348fba30 (unreliable)
qla24xx_do_nack_work+0xa8/0x180 [qla2xxx]
qla2x00_do_work+0x674/0xbf0 [qla2xxx]
qla2x00_iocb_work_fn

The patch fixes the issue by serializing qlt_stop_phase1() and
qlt_stop_phase2() functions to make WWPN removal wait for phase1
completion.

Link: https://lore.kernel.org/r/20210415203554.27890-1-d.bogdanov@yadro.com
Reviewed-by: Roman Bolshakov <r.bolshakov@yadro.com>
Signed-off-by: Dmitry Bogdanov <d.bogdanov@yadro.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-05-21 23:38:57 -04:00
Yang Yingliang
7907a021e4 scsi: hisi_sas: Drop free_irq() of devm_request_irq() allocated irq
irqs allocated with devm_request_irq() should not be freed using
free_irq(). Doing so causes a dangling pointer and a subsequent double
free.

Link: https://lore.kernel.org/r/20210519130519.2661938-1-yangyingliang@huawei.com
Reported-by: Hulk Robot <hulkci@huawei.com>
Acked-by: John Garry <john.garry@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-05-21 22:46:55 -04:00
Matt Wang
e662502b3a scsi: vmw_pvscsi: Set correct residual data length
Some commands (such as INQUIRY) may return less data than the initiator
requested. To avoid conducting useless information, set the right residual
count to make upper layer aware of this.

Before (INQUIRY PAGE 0xB0 with 128B buffer):

$ sg_raw -r 128 /dev/sda 12 01 B0 00 80 00
SCSI Status: Good

Received 128 bytes of data:
 00 00 b0 00 3c 01 00 00 00 00 00 00 00 00 00 00 00 ...<............
 10 00 00 00 00 00 01 00 00 00 00 00 40 00 00 08 00 ...........@....
 20 80 00 00 00 00 00 00 00 00 00 20 00 00 00 00 00 .......... .....
 30 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 50 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 60 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 70 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................

After:

$ sg_raw -r 128 /dev/sda 12 01 B0 00 80 00
SCSI Status: Good

Received 64 bytes of data:
00 00 b0 00 3c 01 00 00 00 00 00 00 00 00 00 00 00 ...<............
10 00 00 00 00 00 01 00 00 00 00 00 40 00 00 08 00 ...........@....
20 80 00 00 00 00 00 00 00 00 00 20 00 00 00 00 00 .......... .....
30 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................

[mkp: clarified description]

Link: https://lore.kernel.org/r/03C41093-B62E-43A2-913E-CFC92F1C70C3@vmware.com
Signed-off-by: Matt Wang <wwentao@vmware.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-05-21 22:41:38 -04:00
Javed Hasan
122c81c563 scsi: bnx2fc: Return failure if io_req is already in ABTS processing
Return failure from bnx2fc_eh_abort() if io_req is already in ABTS
processing.

Link: https://lore.kernel.org/r/20210519061416.19321-1-jhasan@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Javed Hasan <jhasan@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-05-21 22:25:39 -04:00
Tom Rix
b4de11dfb5 scsi: aic7xxx: Remove multiple definition of globals
Building aicasm with gcc 10.2 + gas 26.1 causes these errors:

  multiple definition of `args';
  multiple definition of `yylineno';

args came from the expansion of:

  STAILQ_HEAD(macro_arg_list, macro_arg) args;

The definition of the macro_arg_list structure is needed, the global
variable 'args' is not, so delete it.

yylineno is defined by flex, so defining it in bison/*.y file is not
needed. Also delete this.

Link: https://lore.kernel.org/r/20210517205057.1850010-1-trix@redhat.com
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-05-21 22:05:50 -04:00
Tom Rix
7e7606330b scsi: aic7xxx: Restore several defines for aic7xxx firmware build
With CONFIG_AIC7XXX_BUILD_FIRMWARE, there is this representative error:

  aicasm: Stopped at file ./drivers/scsi/aic7xxx/aic7xxx.seq,
    line 271 - Undefined symbol MSG_SIMPLE_Q_TAG referenced

MSG_SIMPLE_Q_TAG used to be defined in drivers/scsi/aic7xxx/scsi_message.h
as:

  #define MSG_SIMPLE_Q_TAG	0x20 /* O/O */

The new definition in include/scsi/scsi.h is:

  #define SIMPLE_QUEUE_TAG    0x20

But aicasm can not handle the all the preprocessor directives in scsi.h, so
add MSG_SIMPLE_Q_TAB and other required defines back to scsi_message.h.

Link: https://lore.kernel.org/r/20210517132451.1832233-1-trix@redhat.com
Fixes: d8cd784ff7 ("scsi: aic7xxx: aic79xx: Drop internal SCSI message definition"
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-05-21 22:02:42 -04:00
Linus Torvalds
45af60e7ce for-5.13-rc2-tag
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Merge tag 'for-5.13-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs fixes from David Sterba:
 "A few more fixes:

   - fix unaligned compressed writes in zoned mode

   - fix false positive lockdep warning when cloning inline extent

   - remove wrong BUG_ON in tree-log error handling"

* tag 'for-5.13-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  btrfs: zoned: fix parallel compressed writes
  btrfs: zoned: pass start block to btrfs_use_zone_append
  btrfs: do not BUG_ON in link_to_fixup_dir
  btrfs: release path before starting transaction when cloning inline extent
2021-05-21 13:24:12 -10:00
Linus Torvalds
8bb14ca171 7 SMB3 fixes, one for stable, 3 others fix problems found in testing handle leases, and a compounded request fix
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Merge tag '5.13-rc3-smb3' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs fixes from Steve French:
 "Seven smb3 fixes: one for stable, three others fix problems found in
  testing handle leases, and a compounded request fix"

* tag '5.13-rc3-smb3' of git://git.samba.org/sfrench/cifs-2.6:
  Fix KASAN identified use-after-free issue.
  Defer close only when lease is enabled.
  Fix kernel oops when CONFIG_DEBUG_ATOMIC_SLEEP is enabled.
  cifs: Fix inconsistent indenting
  cifs: fix memory leak in smb2_copychunk_range
  SMB3: incorrect file id in requests compounded with open
  cifs: remove deadstore in cifs_close_all_deferred_files()
2021-05-21 13:12:51 -10:00
Linus Torvalds
e8085a0709 gpio fixes for v5.13-rc3
- add missing MODULE_DEVICE_TABLE in gpio-cadence
 - fix a kernel doc validator error in gpio-xilinx
 - don't set parent IRQ affinity in gpio-tegra186
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Merge tag 'gpio-fixes-for-v5.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio fixes from Bartosz Golaszewski:

 - add missing MODULE_DEVICE_TABLE in gpio-cadence

 - fix a kernel doc validator error in gpio-xilinx

 - don't set parent IRQ affinity in gpio-tegra186

* tag 'gpio-fixes-for-v5.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
  gpio: tegra186: Don't set parent IRQ affinity
  gpio: xilinx: Correct kernel doc for xgpio_probe()
  gpio: cadence: Add missing MODULE_DEVICE_TABLE
2021-05-21 13:11:00 -10:00
Francesco Ruggeri
e29f011e8f ipv6: record frag_max_size in atomic fragments in input path
Commit dbd1759e6a ("ipv6: on reassembly, record frag_max_size")
filled the frag_max_size field in IP6CB in the input path.
The field should also be filled in case of atomic fragments.

Fixes: dbd1759e6a ('ipv6: on reassembly, record frag_max_size')
Signed-off-by: Francesco Ruggeri <fruggeri@arista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-21 15:02:25 -07:00
Íñigo Huguet
8f03eeb6e0 net:sfc: fix non-freed irq in legacy irq mode
SFC driver can be configured via modparam to work using MSI-X, MSI or
legacy IRQ interrupts. In the last one, the interrupt was not properly
released on module remove.

It was not freed because the flag irqs_hooked was not set during
initialization in the case of using legacy IRQ.

Example of (trimmed) trace during module remove without this fix:

remove_proc_entry: removing non-empty directory 'irq/125', leaking at least '0000:3b:00.1'
WARNING: CPU: 39 PID: 3658 at fs/proc/generic.c:715 remove_proc_entry+0x15c/0x170
...trimmed...
Call Trace:
 unregister_irq_proc+0xe3/0x100
 free_desc+0x29/0x70
 irq_free_descs+0x47/0x70
 mp_unmap_irq+0x58/0x60
 acpi_unregister_gsi_ioapic+0x2a/0x40
 acpi_pci_irq_disable+0x78/0xb0
 pci_disable_device+0xd1/0x100
 efx_pci_remove+0xa1/0x1e0 [sfc]
 pci_device_remove+0x38/0xa0
 __device_release_driver+0x177/0x230
 driver_detach+0xcb/0x110
 bus_remove_driver+0x58/0xd0
 pci_unregister_driver+0x2a/0xb0
 efx_exit_module+0x24/0xf40 [sfc]
 __do_sys_delete_module.constprop.0+0x171/0x280
 ? exit_to_user_mode_prepare+0x83/0x1d0
 do_syscall_64+0x3d/0x80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f9f9385800b
...trimmed...

Signed-off-by: Íñigo Huguet <ihuguet@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-21 14:51:10 -07:00
Rao Shoaib
aced3ce57c RDS tcp loopback connection can hang
When TCP is used as transport and a program on the
system connects to RDS port 16385, connection is
accepted but denied per the rules of RDS. However,
RDS connections object is left in the list. Next
loopback connection will select that connection
object as it is at the head of list. The connection
attempt will hang as the connection object is set
to connect over TCP which is not allowed

The issue can be reproduced easily, use rds-ping
to ping a local IP address. After that use any
program like ncat to connect to the same IP
address and port 16385. This will hang so ctrl-c out.
Now try rds-ping, it will hang.

To fix the issue this patch adds checks to disallow
the connection object creation and destroys the
connection object.

Signed-off-by: Rao Shoaib <rao.shoaib@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-21 14:46:59 -07:00
Ioana Ciornei
29bf1993fd MAINTAINERS: remove Ioana Radulescu from dpaa2-eth
Remove Ioana Radulescu from dpaa2-eth since she is no longer working on
the DPAA2 set of drivers.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-21 14:26:59 -07:00
Aleksander Jan Bajkowski
c7718ee96d net: lantiq: fix memory corruption in RX ring
In a situation where memory allocation or dma mapping fails, an
invalid address is programmed into the descriptor. This can lead
to memory corruption. If the memory allocation fails, DMA should
reuse the previous skb and mapping and drop the packet. This patch
also increments rx drop counter.

Fixes: fe1a56420c ("net: lantiq: Add Lantiq / Intel VRX200 Ethernet driver ")
Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-21 14:19:40 -07:00
Florian Fainelli
fc516d3a6a net: dsa: bcm_sf2: Fix bcm_sf2_reg_rgmii_cntrl() call for non-RGMII port
We cannot call bcm_sf2_reg_rgmii_cntrl() for a port that is not RGMII,
yet we do that in bcm_sf2_sw_mac_link_up() irrespective of the port's
interface. Move that read until we have properly qualified the PHY
interface mode. This avoids triggering a warning on 7278 platforms that
have GMII ports.

Fixes: 55cfeb3969 ("net: dsa: bcm_sf2: add function finding RGMII register")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-21 14:18:34 -07:00
Julian Wiedmann
e5bfaed750 MAINTAINERS: s390/net: add netdev list
Discussions for network-related code should include the netdev list.

Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-21 14:06:14 -07:00
Mike Christie
5aaeca258f scsi: target: iblock: Fix smp_processor_id() BUG messages
This has us use raw_smp_processor_id() in iblock's plug_device callout.
smp_processor_id() is not needed here, because we are running from a per
CPU work item that is also queued to run on a worker thread that is
normally bound to a specific CPU. If the worker thread did end up switching
CPUs then it's handled the same way we handle when the work got moved to a
different CPU's worker thread, where we will just end up sending I/O from
the new CPU.

Link: https://lore.kernel.org/r/20210519222640.5153-1-michael.christie@oracle.com
Fixes: 415ccd9811 ("scsi: target: iblock: Add backend plug/unplug callouts")
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-05-21 16:40:00 -04:00
Dan Carpenter
8c7e7b8486 scsi: libsas: Use _safe() loop in sas_resume_port()
If sas_notify_lldd_dev_found() fails then this code calls:

	sas_unregister_dev(port, dev);

which removes "dev", our list iterator, from the list.  This could lead to
an endless loop.  We need to use list_for_each_entry_safe().

Link: https://lore.kernel.org/r/YKUeq6gwfGcvvhty@mwanda
Fixes: 303694eeee ("[SCSI] libsas: suspend / resume support")
Reviewed-by: John Garry <john.garry@huawei.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-05-21 16:28:24 -04:00
Stefan Roese
430bfe0576 net: ethernet: mtk_eth_soc: Fix DIM support for MT7628/88
When updating to latest mainline for some testing on the GARDENA smart
gateway based on the MT7628, I noticed that ethernet does not work any
more. Commit e9229ffd55 ("net: ethernet: mtk_eth_soc: implement
dynamic interrupt moderation") introduced this problem, as it missed the
RX_DIM & TX_DIM configuration for this SoC variant. This patch fixes
this by calling mtk_dim_rx() & mtk_dim_tx() in this case as well.

Signed-off-by: Stefan Roese <sr@denx.de>
Fixes: e9229ffd55 ("net: ethernet: mtk_eth_soc: implement dynamic interrupt moderation")
Cc: Felix Fietkau <nbd@nbd.name>
Cc: John Crispin <john@phrozen.org>
Cc: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
Cc: Reto Schneider <code@reto-schneider.ch>
Cc: Reto Schneider <reto.schneider@husqvarnagroup.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-05-21 13:18:05 -07:00
Bodo Stroesser
b4150b6881 scsi: target: tcmu: Fix xarray RCU warning
Commit f5ce815f34 ("scsi: target: tcmu: Support DATA_BLOCK_SIZE = N *
PAGE_SIZE") introduced xas_next() calls to iterate xarray elements.  These
calls triggered the WARNING "suspicious RCU usage" at tcmu device set up
[1]. In the call stack of xas_next(), xas_load() was called.  According to
its comment, this function requires "the xa_lock or the RCU lock".

To avoid the warning:

 - Guard the small loop calling xas_next() in tcmu_get_empty_block with RCU
   lock.

 - In the large loop in tcmu_copy_data using RCU lock would possibly
   disable preemtion for a long time (copy multi MBs). Therefore replace
   XA_STATE, xas_set and xas_next with a single xa_load.

[1]

[ 1899.867091] =============================
[ 1899.871199] WARNING: suspicious RCU usage
[ 1899.875310] 5.13.0-rc1+ #41 Not tainted
[ 1899.879222] -----------------------------
[ 1899.883299] include/linux/xarray.h:1182 suspicious rcu_dereference_check() usage!
[ 1899.890940] other info that might help us debug this:
[ 1899.899082] rcu_scheduler_active = 2, debug_locks = 1
[ 1899.905719] 3 locks held by kworker/0:1/1368:
[ 1899.910161]  #0: ffffa1f8c8b98738 ((wq_completion)target_submission){+.+.}-{0:0}, at: process_one_work+0x1ee/0x580
[ 1899.920732]  #1: ffffbd7040cd7e78 ((work_completion)(&q->sq.work)){+.+.}-{0:0}, at: process_one_work+0x1ee/0x580
[ 1899.931146]  #2: ffffa1f8d1c99768 (&udev->cmdr_lock){+.+.}-{3:3}, at: tcmu_queue_cmd+0xea/0x160 [target_core_user]
[ 1899.941678] stack backtrace:
[ 1899.946093] CPU: 0 PID: 1368 Comm: kworker/0:1 Not tainted 5.13.0-rc1+ #41
[ 1899.953070] Hardware name: System manufacturer System Product Name/PRIME Z270-A, BIOS 1302 03/15/2018
[ 1899.962459] Workqueue: target_submission target_queued_submit_work [target_core_mod]
[ 1899.970337] Call Trace:
[ 1899.972839]  dump_stack+0x6d/0x89
[ 1899.976222]  xas_descend+0x10e/0x120
[ 1899.979875]  xas_load+0x39/0x50
[ 1899.983077]  tcmu_get_empty_blocks+0x115/0x1c0 [target_core_user]
[ 1899.989318]  queue_cmd_ring+0x1da/0x630 [target_core_user]
[ 1899.994897]  ? rcu_read_lock_sched_held+0x3f/0x70
[ 1899.999695]  ? trace_kmalloc+0xa6/0xd0
[ 1900.003501]  ? __kmalloc+0x205/0x380
[ 1900.007167]  tcmu_queue_cmd+0x12f/0x160 [target_core_user]
[ 1900.012746]  __target_execute_cmd+0x23/0xa0 [target_core_mod]
[ 1900.018589]  transport_generic_new_cmd+0x1f3/0x370 [target_core_mod]
[ 1900.025046]  transport_handle_cdb_direct+0x34/0x50 [target_core_mod]
[ 1900.031517]  target_queued_submit_work+0x43/0xe0 [target_core_mod]
[ 1900.037837]  process_one_work+0x268/0x580
[ 1900.041952]  ? process_one_work+0x580/0x580
[ 1900.046195]  worker_thread+0x55/0x3b0
[ 1900.049921]  ? process_one_work+0x580/0x580
[ 1900.054192]  kthread+0x143/0x160
[ 1900.057499]  ? kthread_create_worker_on_cpu+0x40/0x40
[ 1900.062661]  ret_from_fork+0x1f/0x30

Link: https://lore.kernel.org/r/20210519135440.26773-1-bostroesser@gmail.com
Fixes: f5ce815f34 ("scsi: target: tcmu: Support DATA_BLOCK_SIZE = N * PAGE_SIZE")
Reported-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Tested-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Signed-off-by: Bodo Stroesser <bostroesser@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-05-21 16:15:48 -04:00
Shin'ichiro Kawasaki
70ca3c57ff scsi: target: core: Avoid smp_processor_id() in preemptible code
The BUG message "BUG: using smp_processor_id() in preemptible [00000000]
code" was observed for TCMU devices with kernel config DEBUG_PREEMPT.

The message was observed when blktests block/005 was run on TCMU devices
with fileio backend or user:zbc backend [1]. The commit 1130b499b4
("scsi: target: tcm_loop: Use LIO wq cmd submission helper") triggered the
symptom. The commit modified work queue to handle commands and changed
'current->nr_cpu_allowed' at smp_processor_id() call.

The message was also observed at system shutdown when TCMU devices were not
cleaned up [2]. The function smp_processor_id() was called in SCSI host
work queue for abort handling, and triggered the BUG message. This symptom
was observed regardless of the commit 1130b499b4 ("scsi: target:
tcm_loop: Use LIO wq cmd submission helper").

To avoid the preemptible code check at smp_processor_id(), get CPU ID with
raw_smp_processor_id() instead. The CPU ID is used for performance
improvement then thread move to other CPU will not affect the code.

[1]

[   56.468103] run blktests block/005 at 2021-05-12 14:16:38
[   57.369473] check_preemption_disabled: 85 callbacks suppressed
[   57.369480] BUG: using smp_processor_id() in preemptible [00000000] code: fio/1511
[   57.369506] BUG: using smp_processor_id() in preemptible [00000000] code: fio/1510
[   57.369512] BUG: using smp_processor_id() in preemptible [00000000] code: fio/1506
[   57.369552] caller is __target_init_cmd+0x157/0x170 [target_core_mod]
[   57.369606] CPU: 4 PID: 1506 Comm: fio Not tainted 5.13.0-rc1+ #34
[   57.369613] Hardware name: System manufacturer System Product Name/PRIME Z270-A, BIOS 1302 03/15/2018
[   57.369617] Call Trace:
[   57.369621] BUG: using smp_processor_id() in preemptible [00000000] code: fio/1507
[   57.369628]  dump_stack+0x6d/0x89
[   57.369642]  check_preemption_disabled+0xc8/0xd0
[   57.369628] caller is __target_init_cmd+0x157/0x170 [target_core_mod]
[   57.369655]  __target_init_cmd+0x157/0x170 [target_core_mod]
[   57.369695]  target_init_cmd+0x76/0x90 [target_core_mod]
[   57.369732]  tcm_loop_queuecommand+0x109/0x210 [tcm_loop]
[   57.369744]  scsi_queue_rq+0x38e/0xc40
[   57.369761]  __blk_mq_try_issue_directly+0x109/0x1c0
[   57.369779]  blk_mq_try_issue_directly+0x43/0x90
[   57.369790]  blk_mq_submit_bio+0x4e5/0x5d0
[   57.369812]  submit_bio_noacct+0x46e/0x4e0
[   57.369830]  __blkdev_direct_IO_simple+0x1a3/0x2d0
[   57.369859]  ? set_init_blocksize.isra.0+0x60/0x60
[   57.369880]  generic_file_read_iter+0x89/0x160
[   57.369898]  blkdev_read_iter+0x44/0x60
[   57.369906]  new_sync_read+0x102/0x170
[   57.369929]  vfs_read+0xd4/0x160
[   57.369941]  __x64_sys_pread64+0x6e/0xa0
[   57.369946]  ? lockdep_hardirqs_on+0x79/0x100
[   57.369958]  do_syscall_64+0x3a/0x70
[   57.369965]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   57.369973] RIP: 0033:0x7f7ed4c1399f
[   57.369979] Code: 08 89 3c 24 48 89 4c 24 18 e8 7d f3 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 11 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 cd f3 ff ff 48 8b
[   57.369983] RSP: 002b:00007ffd7918c580 EFLAGS: 00000293 ORIG_RAX: 0000000000000011
[   57.369990] RAX: ffffffffffffffda RBX: 00000000015b4540 RCX: 00007f7ed4c1399f
[   57.369993] RDX: 0000000000001000 RSI: 00000000015de000 RDI: 0000000000000009
[   57.369996] RBP: 00000000015b4540 R08: 0000000000000000 R09: 0000000000000001
[   57.369999] R10: 0000000000e5c000 R11: 0000000000000293 R12: 00007f7eb5269a70
[   57.370002] R13: 0000000000000000 R14: 0000000000001000 R15: 00000000015b4568
[   57.370031] CPU: 7 PID: 1507 Comm: fio Not tainted 5.13.0-rc1+ #34
[   57.370036] Hardware name: System manufacturer System Product Name/PRIME Z270-A, BIOS 1302 03/15/2018
[   57.370039] Call Trace:
[   57.370045]  dump_stack+0x6d/0x89
[   57.370056]  check_preemption_disabled+0xc8/0xd0
[   57.370068]  __target_init_cmd+0x157/0x170 [target_core_mod]
[   57.370121]  target_init_cmd+0x76/0x90 [target_core_mod]
[   57.370178]  tcm_loop_queuecommand+0x109/0x210 [tcm_loop]
[   57.370197]  scsi_queue_rq+0x38e/0xc40
[   57.370224]  __blk_mq_try_issue_directly+0x109/0x1c0
...

[2]

[  117.458597] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u16:8
[  117.467279] caller is __target_init_cmd+0x157/0x170 [target_core_mod]
[  117.473893] CPU: 1 PID: 418 Comm: kworker/u16:6 Not tainted 5.13.0-rc1+ #34
[  117.481150] Hardware name: System manufacturer System Product Name/PRIME Z270-A, BIOS 8
[  117.481153] Workqueue: scsi_tmf_7 scmd_eh_abort_handler
[  117.481156] Call Trace:
[  117.481158]  dump_stack+0x6d/0x89
[  117.481162]  check_preemption_disabled+0xc8/0xd0
[  117.512575]  target_submit_tmr+0x41/0x150 [target_core_mod]
[  117.519705]  tcm_loop_issue_tmr+0xa7/0x100 [tcm_loop]
[  117.524913]  tcm_loop_abort_task+0x43/0x60 [tcm_loop]
[  117.530137]  scmd_eh_abort_handler+0x7b/0x230
[  117.534681]  process_one_work+0x268/0x580
[  117.538862]  worker_thread+0x55/0x3b0
[  117.542652]  ? process_one_work+0x580/0x580
[  117.548351]  kthread+0x143/0x160
[  117.551675]  ? kthread_create_worker_on_cpu+0x40/0x40
[  117.556873]  ret_from_fork+0x1f/0x30

Link: https://lore.kernel.org/r/20210515070315.215801-1-shinichiro.kawasaki@wdc.com
Fixes: 1526d9f10c ("scsi: target: Make state_list per CPU")
Cc: stable@vger.kernel.org # v5.11+
Reviewed-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-05-21 16:14:02 -04:00
Rafael J. Wysocki
0c8713153f drivers: base: Reduce device link removal code duplication
Reduce device link removal code duplication between the cases when
SRCU is enabled and when it is disabled by moving the only differing
piece of it (which is the removal of the link from the consumer and
supplier lists) into a separate wrapper function (defined differently
for each of the cases in question).

No intentional functional impact.

Reviewed-by: Saravana Kannan <saravanak@google.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/4326215.LvFx2qVVIh@kreacher
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-05-21 22:12:14 +02:00
Rafael J. Wysocki
80dd33cf72 drivers: base: Fix device link removal
When device_link_free() drops references to the supplier and
consumer devices of the device link going away and the reference
being dropped turns out to be the last one for any of those
device objects, its ->release callback will be invoked and it
may sleep which goes against the SRCU callback execution
requirements.

To address this issue, make the device link removal code carry out
the device_link_free() actions preceded by SRCU synchronization from
a separate work item (the "long" workqueue is used for that, because
it does not matter when the device link memory is released and it may
take time to get to that point) instead of using SRCU callbacks.

While at it, make the code work analogously when SRCU is not enabled
to reduce the differences between the SRCU and non-SRCU cases.

Fixes: 843e600b8a ("driver core: Fix sleeping in invalid context during device link deletion")
Cc: stable <stable@vger.kernel.org>
Reported-by: chenxiang (M) <chenxiang66@hisilicon.com>
Tested-by: chenxiang (M) <chenxiang66@hisilicon.com>
Reviewed-by: Saravana Kannan <saravanak@google.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/5722787.lOV4Wx5bFT@kreacher
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-05-21 22:12:09 +02:00
Song Liu
f8b61bd204 perf stat: Skip evlist__[enable|disable] when all events uses BPF
When all events of a perf-stat session use BPF, it is not necessary to
call evlist__enable() and evlist__disable(). Skip them when
all_counters_use_bpf is true.

Signed-off-by: Song Liu <song@kernel.org>
Reported-by: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-05-21 16:50:17 -03:00
Adrian Hunter
f42907e8a4 perf script: Add missing PERF_IP_FLAG_CHARS for VM-Entry and VM-Exit
Add 'g' (guest) for VM-Entry and 'h' (host) for VM-Exit.

Fixes: c025d46cd9 ("perf script: Add branch types for VM-Entry and VM-Exit")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lore.kernel.org/lkml/20210521175127.27264-1-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-05-21 16:41:37 -03:00
Adrian Hunter
f56299a9c9 perf scripts python: exported-sql-viewer.py: Fix warning display
Deprecation warnings are useful only for the developer, not an end user.
Display warnings only when requested using the python -W option. This
stops the display of warnings like:

 tools/perf/scripts/python/exported-sql-viewer.py:5102: DeprecationWarning:
         an integer is required (got type PySide2.QtCore.Qt.AlignmentFlag).
         Implicit conversion to integers using __int__ is deprecated, and
         may be removed in a future version of Python.
    err = app.exec_()

Since the warning can be fixed only in PySide2, we must wait for it to
be finally fixed there.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: stable@vger.kernel.org      # v5.3+
Link: http://lore.kernel.org/lkml/20210521092053.25683-4-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-05-21 16:31:07 -03:00
Adrian Hunter
fd931b2e23 perf scripts python: exported-sql-viewer.py: Fix Array TypeError
The 'Array' class is present in more than one python standard library.
In some versions of Python 3, the following error occurs:

Traceback (most recent call last):
  File "tools/perf/scripts/python/exported-sql-viewer.py", line 4702, in <lambda>
    reports_menu.addAction(CreateAction(label, "Create a new window displaying branch events", lambda a=None,x=dbid: self.NewBranchView(x), self))
  File "tools/perf/scripts/python/exported-sql-viewer.py", line 4727, in NewBranchView
    BranchWindow(self.glb, event_id, ReportVars(), self)
  File "tools/perf/scripts/python/exported-sql-viewer.py", line 3208, in __init__
    self.model = LookupCreateModel(model_name, lambda: BranchModel(glb, event_id, report_vars.where_clause))
  File "tools/perf/scripts/python/exported-sql-viewer.py", line 343, in LookupCreateModel
    model = create_fn()
  File "tools/perf/scripts/python/exported-sql-viewer.py", line 3208, in <lambda>
    self.model = LookupCreateModel(model_name, lambda: BranchModel(glb, event_id, report_vars.where_clause))
  File "tools/perf/scripts/python/exported-sql-viewer.py", line 3124, in __init__
    self.fetcher = SQLFetcher(glb, sql, prep, self.AddSample)
  File "tools/perf/scripts/python/exported-sql-viewer.py", line 2658, in __init__
    self.buffer = Array(c_char, self.buffer_size, lock=False)
TypeError: abstract class

This apparently happens because Python can be inconsistent about which
class of the name 'Array' gets imported. Fix by importing explicitly by
name so that only the desired 'Array' gets imported.

Fixes: 8392b74b57 ("perf scripts python: exported-sql-viewer.py: Add ability to display all the database tables")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: stable@vger.kernel.org
Link: http://lore.kernel.org/lkml/20210521092053.25683-3-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-05-21 16:30:53 -03:00
Adrian Hunter
a617205975 perf scripts python: exported-sql-viewer.py: Fix copy to clipboard from Top Calls by elapsed Time report
Provide missing argument to prevent following error when copying a
selection to the clipboard:

Traceback (most recent call last):
  File "tools/perf/scripts/python/exported-sql-viewer.py", line 4041, in <lambda>
    menu.addAction(CreateAction("&Copy selection", "Copy to clipboard", lambda: CopyCellsToClipboardHdr(self.view), self.view))
  File "tools/perf/scripts/python/exported-sql-viewer.py", line 4021, in CopyCellsToClipboardHdr
    CopyCellsToClipboard(view, False, True)
  File "tools/perf/scripts/python/exported-sql-viewer.py", line 4018, in CopyCellsToClipboard
    view.CopyCellsToClipboard(view, as_csv, with_hdr)
  File "tools/perf/scripts/python/exported-sql-viewer.py", line 3871, in CopyTableCellsToClipboard
    val = model.headerData(col, Qt.Horizontal)
TypeError: headerData() missing 1 required positional argument: 'role'

Fixes: 96c43b9a7a ("perf scripts python: exported-sql-viewer.py: Add copy to clipboard")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: stable@vger.kernel.org
Link: http://lore.kernel.org/lkml/20210521092053.25683-2-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-05-21 16:19:38 -03:00
Arnaldo Carvalho de Melo
bffcbe7937 tools headers UAPI: Sync files changed by the quotactl_path unwiring
To pick the changes in this csets:

  5b9fedb31e ("quota: Disable quotactl_path syscall")

That silences these perf build warnings:

  Warning: Kernel ABI header at 'tools/include/uapi/asm-generic/unistd.h' differs from latest version at 'include/uapi/asm-generic/unistd.h'
  diff -u tools/include/uapi/asm-generic/unistd.h include/uapi/asm-generic/unistd.h
  Warning: Kernel ABI header at 'tools/perf/arch/x86/entry/syscalls/syscall_64.tbl' differs from latest version at 'arch/x86/entry/syscalls/syscall_64.tbl'
  diff -u tools/perf/arch/x86/entry/syscalls/syscall_64.tbl arch/x86/entry/syscalls/syscall_64.tbl
  Warning: Kernel ABI header at 'tools/perf/arch/powerpc/entry/syscalls/syscall.tbl' differs from latest version at 'arch/powerpc/kernel/syscalls/syscall.tbl'
  diff -u tools/perf/arch/powerpc/entry/syscalls/syscall.tbl arch/powerpc/kernel/syscalls/syscall.tbl
  Warning: Kernel ABI header at 'tools/perf/arch/s390/entry/syscalls/syscall.tbl' differs from latest version at 'arch/s390/kernel/syscalls/syscall.tbl'
  diff -u tools/perf/arch/s390/entry/syscalls/syscall.tbl arch/s390/kernel/syscalls/syscall.tbl
  Warning: Kernel ABI header at 'tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl' differs from latest version at 'arch/mips/kernel/syscalls/syscall_n64.tbl'
  diff -u tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl arch/mips/kernel/syscalls/syscall_n64.tbl

Cc: Jan Kara <jack@suse.cz>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-05-21 16:14:00 -03:00
Arnaldo Carvalho de Melo
4224680ee7 tools headers UAPI: Sync linux/perf_event.h with the kernel sources
To pick the trivial change in:

  0683b53197 ("signal: Deliver all of the siginfo perf data in _perf")

This silences this perf build warning:

  Warning: Kernel ABI header at 'tools/include/uapi/linux/perf_event.h' differs from latest version at 'include/uapi/linux/perf_event.h'
  diff -u tools/include/uapi/linux/perf_event.h include/uapi/linux/perf_event.h

Cc: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-05-21 16:03:08 -03:00
Arnaldo Carvalho de Melo
ec347b7c31 tools headers UAPI: Sync linux/fs.h with the kernel sources
To pick the trivial change in:

  63c8af5687 ("block: uapi: fix comment about block device ioctl")

This silences this perf build warning:

  Warning: Kernel ABI header at 'tools/include/uapi/linux/fs.h' differs from latest version at 'include/uapi/linux/fs.h'
  diff -u tools/include/uapi/linux/fs.h include/uapi/linux/fs.h

Cc: Damien Le Moal <damien.lemoal@wdc.com>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-05-21 16:00:31 -03:00
Arnaldo Carvalho de Melo
f248d687e9 Merge remote-tracking branch 'torvalds/master' into perf/urgent
To pick up more UAPI updates to sync with tools/.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-05-21 15:59:23 -03:00
Zheyu Ma
016002848c serial: rp2: use 'request_firmware' instead of 'request_firmware_nowait'
In 'rp2_probe', the driver registers 'rp2_uart_interrupt' then calls
'rp2_fw_cb' through 'request_firmware_nowait'. In 'rp2_fw_cb', if the
firmware don't exists, function just return without initializing ports
of 'rp2_card'. But now the interrupt handler function has been
registered, and when an interrupt comes, 'rp2_uart_interrupt' may access
those ports then causing NULL pointer dereference or other bugs.

Because the driver does some initialization work in 'rp2_fw_cb', in
order to make the driver ready to handle interrupts, 'request_firmware'
should be used instead of asynchronous 'request_firmware_nowait'.

This report reveals it:

INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 2 PID: 0 Comm: swapper/2 Not tainted 4.19.177-gdba4159c14ef-dirty #45
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-
gc9ba5276e321-prebuilt.qemu.org 04/01/2014
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0xec/0x156 lib/dump_stack.c:118
 assign_lock_key kernel/locking/lockdep.c:727 [inline]
 register_lock_class+0x14e5/0x1ba0 kernel/locking/lockdep.c:753
 __lock_acquire+0x187/0x3750 kernel/locking/lockdep.c:3303
 lock_acquire+0x124/0x340 kernel/locking/lockdep.c:3907
 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
 _raw_spin_lock+0x32/0x50 kernel/locking/spinlock.c:144
 spin_lock include/linux/spinlock.h:329 [inline]
 rp2_ch_interrupt drivers/tty/serial/rp2.c:466 [inline]
 rp2_asic_interrupt.isra.9+0x15d/0x990 drivers/tty/serial/rp2.c:493
 rp2_uart_interrupt+0x49/0xe0 drivers/tty/serial/rp2.c:504
 __handle_irq_event_percpu+0xfb/0x770 kernel/irq/handle.c:149
 handle_irq_event_percpu+0x79/0x150 kernel/irq/handle.c:189
 handle_irq_event+0xac/0x140 kernel/irq/handle.c:206
 handle_fasteoi_irq+0x232/0x5c0 kernel/irq/chip.c:725
 generic_handle_irq_desc include/linux/irqdesc.h:155 [inline]
 handle_irq+0x230/0x3a0 arch/x86/kernel/irq_64.c:87
 do_IRQ+0xa7/0x1e0 arch/x86/kernel/irq.c:247
 common_interrupt+0xf/0xf arch/x86/entry/entry_64.S:670
 </IRQ>
RIP: 0010:native_safe_halt+0x28/0x30 arch/x86/include/asm/irqflags.h:61
Code: 00 00 55 be 04 00 00 00 48 c7 c7 00 c2 2f 8c 48 89 e5 e8 fb 31 e7 f8
8b 05 75 af 8d 03 85 c0 7e 07 0f 00 2d 8a 61 65 00 fb f4 <5d> c3 90 90 90
90 90 90 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
RSP: 0018:ffff88806b71fcc8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffffde
RAX: 0000000000000000 RBX: ffffffff8bde7e48 RCX: ffffffff88a21285
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8c2fc200
RBP: ffff88806b71fcc8 R08: fffffbfff185f840 R09: fffffbfff185f840
R10: 0000000000000001 R11: fffffbfff185f840 R12: 0000000000000002
R13: ffffffff8bea18a0 R14: 0000000000000000 R15: 0000000000000000
 arch_safe_halt arch/x86/include/asm/paravirt.h:94 [inline]
 default_idle+0x6f/0x360 arch/x86/kernel/process.c:557
 arch_cpu_idle+0xf/0x20 arch/x86/kernel/process.c:548
 default_idle_call+0x3b/0x60 kernel/sched/idle.c:93
 cpuidle_idle_call kernel/sched/idle.c:153 [inline]
 do_idle+0x2ab/0x3c0 kernel/sched/idle.c:263
 cpu_startup_entry+0xcb/0xe0 kernel/sched/idle.c:369
 start_secondary+0x3b8/0x4e0 arch/x86/kernel/smpboot.c:271
 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243
BUG: unable to handle kernel NULL pointer dereference at 0000000000000010
PGD 8000000056d27067 P4D 8000000056d27067 PUD 56d28067 PMD 0
Oops: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 2 PID: 0 Comm: swapper/2 Not tainted 4.19.177-gdba4159c14ef-dirty #45
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-
gc9ba5276e321-prebuilt.qemu.org 04/01/2014
RIP: 0010:readl arch/x86/include/asm/io.h:59 [inline]
RIP: 0010:rp2_ch_interrupt drivers/tty/serial/rp2.c:472 [inline]
RIP: 0010:rp2_asic_interrupt.isra.9+0x181/0x990 drivers/tty/serial/rp2.c:
493
Code: df e8 43 5d c2 05 48 8d 83 e8 01 00 00 48 89 85 60 ff ff ff 48 c1 e8
03 42 80 3c 30 00 0f 85 aa 07 00 00 48 8b 83 e8 01 00 00 <8b> 40 10 89 c1
89 85 68 ff ff ff 48 8b 83 e8 01 00 00 89 48 10 83
RSP: 0018:ffff88806c287cd0 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff88806ade6820 RCX: ffffffff814300b1
RDX: 1ffff1100d5bcd06 RSI: 0000000000000004 RDI: ffff88806ade6820
RBP: ffff88806c287db8 R08: ffffed100d5bcd05 R09: ffffed100d5bcd05
R10: 0000000000000001 R11: ffffed100d5bcd04 R12: ffffc90001e00000
R13: ffff888069654e10 R14: dffffc0000000000 R15: ffff888069654df0
FS:  0000000000000000(0000) GS:ffff88806c280000(0000) knlGS:
0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000010 CR3: 000000006892c000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 rp2_uart_interrupt+0x49/0xe0 drivers/tty/serial/rp2.c:504
 __handle_irq_event_percpu+0xfb/0x770 kernel/irq/handle.c:149
 handle_irq_event_percpu+0x79/0x150 kernel/irq/handle.c:189
 handle_irq_event+0xac/0x140 kernel/irq/handle.c:206
 handle_fasteoi_irq+0x232/0x5c0 kernel/irq/chip.c:725
 generic_handle_irq_desc include/linux/irqdesc.h:155 [inline]
 handle_irq+0x230/0x3a0 arch/x86/kernel/irq_64.c:87
 do_IRQ+0xa7/0x1e0 arch/x86/kernel/irq.c:247
 common_interrupt+0xf/0xf arch/x86/entry/entry_64.S:670
 </IRQ>
RIP: 0010:native_safe_halt+0x28/0x30 arch/x86/include/asm/irqflags.h:61
Code: 00 00 55 be 04 00 00 00 48 c7 c7 00 c2 2f 8c 48 89 e5 e8 fb 31 e7
f8 8b 05 75 af 8d 03 85 c0 7e 07 0f 00 2d 8a 61 65 00 fb f4 <5d> c3 90
90 90 90 90 90 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41
RSP: 0018:ffff88806b71fcc8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffffde
RAX: 0000000000000000 RBX: ffffffff8bde7e48 RCX: ffffffff88a21285
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8c2fc200
RBP: ffff88806b71fcc8 R08: fffffbfff185f840 R09: fffffbfff185f840
R10: 0000000000000001 R11: fffffbfff185f840 R12: 0000000000000002
R13: ffffffff8bea18a0 R14: 0000000000000000 R15: 0000000000000000
 arch_safe_halt arch/x86/include/asm/paravirt.h:94 [inline]
 default_idle+0x6f/0x360 arch/x86/kernel/process.c:557
 arch_cpu_idle+0xf/0x20 arch/x86/kernel/process.c:548
 default_idle_call+0x3b/0x60 kernel/sched/idle.c:93
 cpuidle_idle_call kernel/sched/idle.c:153 [inline]
 do_idle+0x2ab/0x3c0 kernel/sched/idle.c:263
 cpu_startup_entry+0xcb/0xe0 kernel/sched/idle.c:369
 start_secondary+0x3b8/0x4e0 arch/x86/kernel/smpboot.c:271
 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243
Modules linked in:
Dumping ftrace buffer:
   (ftrace buffer empty)
CR2: 0000000000000010
---[ end trace 11804dbb55cb1a64 ]---
RIP: 0010:readl arch/x86/include/asm/io.h:59 [inline]
RIP: 0010:rp2_ch_interrupt drivers/tty/serial/rp2.c:472 [inline]
RIP: 0010:rp2_asic_interrupt.isra.9+0x181/0x990 drivers/tty/serial/rp2.c:
493
Code: df e8 43 5d c2 05 48 8d 83 e8 01 00 00 48 89 85 60 ff ff ff 48 c1
e8 03 42 80 3c 30 00 0f 85 aa 07 00 00 48 8b 83 e8 01 00 00 <8b> 40 10 89
c1 89 85 68 ff ff ff 48 8b 83 e8 01 00 00 89 48 10 83
RSP: 0018:ffff88806c287cd0 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff88806ade6820 RCX: ffffffff814300b1
RDX: 1ffff1100d5bcd06 RSI: 0000000000000004 RDI: ffff88806ade6820
RBP: ffff88806c287db8 R08: ffffed100d5bcd05 R09: ffffed100d5bcd05
R10: 0000000000000001 R11: ffffed100d5bcd04 R12: ffffc90001e00000
R13: ffff888069654e10 R14: dffffc0000000000 R15: ffff888069654df0
FS:  0000000000000000(0000) GS:ffff88806c280000(0000) knlGS:
0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000010 CR3: 000000006892c000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Reported-by: Zheyu Ma <zheyuma97@gmail.com>
Signed-off-by: Zheyu Ma <zheyuma97@gmail.com>
Link: https://lore.kernel.org/r/1621577323-1541-1-git-send-email-zheyuma97@gmail.com
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-05-21 20:34:02 +02:00
Johan Hovold
746e4acf87 USB: trancevibrator: fix control-request direction
The direction of the pipe argument must match the request-type direction
bit or control requests may fail depending on the host-controller-driver
implementation.

Fix the set-speed request which erroneously used USB_DIR_IN and update
the default timeout argument to match (same value).

Fixes: 5638e4d92e ("USB: add PlayStation 2 Trance Vibrator driver")
Cc: stable@vger.kernel.org      # 2.6.19
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20210521133109.17396-1-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-05-21 20:10:43 +02:00
Greg Kroah-Hartman
6a4c8f60da USB-serial fixes for 5.13-rc3
Here are some new device ids for various drivers.
 
 All have been in linux-next with no reported issues.
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Merge tag 'usb-serial-5.13-rc3' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus

Johan writes:

USB-serial fixes for 5.13-rc3

Here are some new device ids for various drivers.

All have been in linux-next with no reported issues.

* tag 'usb-serial-5.13-rc3' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
  USB: serial: pl2303: add device id for ADLINK ND-6530 GC
  USB: serial: ti_usb_3410_5052: add startech.com device id
  USB: serial: option: add Telit LE910-S1 compositions 0x7010, 0x7011
  USB: serial: ftdi_sio: add IDs for IDS GmbH Products
2021-05-21 20:07:59 +02:00
Linus Torvalds
011ff616ff MMC host:
- sdhci-pci-gli: Fix SD-card detection on Intel NUC10i3FNK4 (GL9755)
  - meson-gx: Replace WARN_ONCE with dev_warn_once for scatterlist offsets
  - meson-gx: Extend check of scatterlist size alignment with SD_IO_RW_EXTENDED
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Merge tag 'mmc-v5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC host fixes from Ulf Hansson:

 - Fix SD-card detection on Intel NUC10i3FNK4 (GL9755)

 - Replace WARN_ONCE with dev_warn_once for scatterlist offsets

 - Extend check of scatterlist size alignment with SD_IO_RW_EXTENDED

* tag 'mmc-v5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
  mmc: sdhci-pci-gli: increase 1.8V regulator wait
  mmc: meson-gx: also check SD_IO_RW_EXTENDED for scatterlist size alignment
  mmc: meson-gx: make replace WARN_ONCE with dev_warn_once about scatterlist offset alignment
2021-05-21 06:31:34 -10:00
Linus Torvalds
5328bf8ba4 Devicetree fixes for 5.13, take 2:
- Another batch of removing unneeded type references in schemas
 
 - Fix some out of date filename references
 
 - Convert renesas,drif schema to use DT graph schema
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Merge tag 'devicetree-fixes-for-5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree fixes from Rob Herring:

 - Another batch of removing unneeded type references in schemas

 - Fix some out of date filename references

 - Convert renesas,drif schema to use DT graph schema

* tag 'devicetree-fixes-for-5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  dt-bindings: More removals of type references on common properties
  dt-bindings: media: renesas,drif: Use graph schema
  leds: Fix reference file name of documentation
  dt-bindings: phy: cadence-torrent: update reference file of docs
2021-05-21 06:24:45 -10:00
Linus Torvalds
a0e31f3a38 Merge branch 'for-v5.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull siginfo fix from Eric Biederman:
 "During the merge window an issue with si_perf and the siginfo ABI came
  up. The alpha and sparc siginfo structure layout had changed with the
  addition of SIGTRAP TRAP_PERF and the new field si_perf.

  The reason only alpha and sparc were affected is that they are the
  only architectures that use si_trapno.

  Looking deeper it was discovered that si_trapno is used for only a few
  select signals on alpha and sparc, and that none of the other
  _sigfault fields past si_addr are used at all. Which means technically
  no regression on alpha and sparc.

  While the alignment concerns might be dismissed the abuse of si_errno
  by SIGTRAP TRAP_PERF does have the potential to cause regressions in
  existing userspace.

  While we still have time before userspace starts using and depending
  on the new definition siginfo for SIGTRAP TRAP_PERF this set of
  changes cleans up siginfo_t.

   - The si_trapno field is demoted from magic alpha and sparc status
     and made an ordinary union member of the _sigfault member of
     siginfo_t. Without moving it of course.

   - si_perf is replaced with si_perf_data and si_perf_type ending the
     abuse of si_errno.

   - Unnecessary additions to signalfd_siginfo are removed"

* 'for-v5.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
  signalfd: Remove SIL_PERF_EVENT fields from signalfd_siginfo
  signal: Deliver all of the siginfo perf data in _perf
  signal: Factor force_sig_perf out of perf_sigtrap
  signal: Implement SIL_FAULT_TRAPNO
  siginfo: Move si_trapno inside the union inside _si_fault
2021-05-21 06:12:52 -10:00
Linus Torvalds
c1f47ebc9b Modules fixes for v5.13-rc3
- When CONFIG_MODULE_UNLOAD=n, module exit sections get sorted into the
   init region of the module in order to satisfy the requirements of
   jump_labels and static_calls. Previously, the exit section check was
   done in module_init_section(), but the solution there is not completely
   arch-indepedent as ARM is a special case and supplies its own
   module_init_section() function. Instead of pushing this logic further to
   the arch-specific code, switch to an arch-independent solution to check
   for module exit sections in the core module loader code in
   layout_sections() instead.
 
 Signed-off-by: Jessica Yu <jeyu@kernel.org>
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Merge tag 'modules-for-v5.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux

Pull module fix from Jessica Yu:
 "When CONFIG_MODULE_UNLOAD=n, module exit sections get sorted into the
  init region of the module in order to satisfy the requirements of
  jump_labels and static_calls.

  Previously, the exit section check was done in module_init_section(),
  but the solution there is not completely arch-indepedent as ARM is a
  special case and supplies its own module_init_section() function.

  Instead of pushing this logic further to the arch-specific code,
  switch to an arch-independent solution to check for module exit
  sections in the core module loader code in layout_sections() instead"

* tag 'modules-for-v5.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux:
  module: check for exit sections in layout_sections() instead of module_init_section()
2021-05-21 06:09:17 -10:00
Linus Torvalds
93bb533a34 OpenRISC fixes for 5.13
A few fixes that came in around the time of the merge
 window.
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Merge tag 'for-linus' of git://github.com/openrisc/linux

Pull OpenRISC fixes from Stafford Horne:
 "A few fixes that came in around the time of the merge window"

* tag 'for-linus' of git://github.com/openrisc/linux:
  openrisc: Define memory barrier mb
  openrisc: mm/init.c: remove unused variable 'end' in paging_init()
  openrisc: mm/init.c: remove unused memblock_region variable in map_ram()
  openrisc: Fix a memory leak
2021-05-21 06:06:19 -10:00
Geoffrey D. Bennett
265d1a90e4 ALSA: usb-audio: scarlett2: Improve driver startup messages
Add separate init function to call the existing controls_create
function so a custom error can be displayed if initialisation fails.

Use info level instead of error for notifications.

Display the VID/PID so device_setup is targeted to the right device.

Display "enabled" message to easily confirm that the driver is loaded.

Signed-off-by: Geoffrey D. Bennett <g@b4.vu>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/b5d140c65f640faf2427e085fbbc0297b32e5fce.1621584566.git.g@b4.vu
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-05-21 16:22:52 +02:00
Geoffrey D. Bennett
764fa6e686 ALSA: usb-audio: scarlett2: Fix device hang with ehci-pci
Use usb_rcvctrlpipe() not usb_sndctrlpipe() for USB control input in
the Scarlett Gen 2 mixer driver. This fixes the device hang during
initialisation when used with the ehci-pci host driver.

Fixes: 9e4d5c1be2 ("ALSA: usb-audio: Scarlett Gen 2 mixer interface")
Signed-off-by: Geoffrey D. Bennett <g@b4.vu>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/66a3d05dac325d5b53e4930578e143cef1f50dbe.1621584566.git.g@b4.vu
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-05-21 16:20:25 +02:00
Johan Hovold
51cb8e206a ALSA: usb-audio: fix control-request direction
The direction of the pipe argument must match the request-type direction
bit or control requests may fail depending on the host-controller-driver
implementation.

Fix the UAC2_CS_CUR request which erroneously used usb_sndctrlpipe().

Fixes: 93db51d06b ("ALSA: usb-audio: Check valid altsetting at parsing rates for UAC2/3")
Cc: stable@vger.kernel.org      # 5.10
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20210521133742.18098-1-johan@kernel.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-05-21 16:19:22 +02:00
Greg Kroah-Hartman
bda7d3ab06 kgdb: fix gcc-11 warnings harder
40cc3a80bb ("kgdb: fix gcc-11 warning on indentation") tried to fix up
the gcc-11 complaints in this file by just reformatting the #defines.
That worked for gcc 11.1.0, but in gcc 11.1.1 as shipped by Fedora 34,
the warning came back for one of the #defines.

Fix this up again by putting { } around the if statement, now it is
quiet again.

Fixes: 40cc3a80bb ("kgdb: fix gcc-11 warning on indentation")
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Jason Wessel <jason.wessel@windriver.com>
Link: https://lore.kernel.org/r/20210520130839.51987-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-05-21 15:05:08 +02:00
Anirudh Rayabharam
02625c9652 video: hgafb: correctly handle card detect failure during probe
The return value of hga_card_detect() is not properly handled causing
the probe to succeed even though hga_card_detect() failed. Since probe
succeeds, hgafb_open() can be called which will end up operating on an
unmapped hga_vram. This results in an out-of-bounds access as reported
by kernel test robot [1].

To fix this, correctly detect failure of hga_card_detect() by checking
for a non-zero error code.

[1]: https://lore.kernel.org/lkml/20210516150019.GB25903@xsang-OptiPlex-9020/

Fixes: dc13cac486 ("video: hgafb: fix potential NULL pointer dereference")
Cc: stable <stable@vger.kernel.org>
Reported-by: kernel test robot <oliver.sang@intel.com>
Reviewed-by: Igor Matheus Andrade Torrente <igormtorrente@gmail.com>
Signed-off-by: Anirudh Rayabharam <mail@anirudhrb.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20210516192714.25823-1-mail@anirudhrb.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-05-21 15:04:05 +02:00
Fabio Estevam
10505b7201 usb: Restore the usb_header label
Commit caa93d9bd2 ("usb: Fix up movement of USB core kerneldoc location")
removed the reference to the _usb_header label by mistake, which causes the
following htmldocs build warning:

Documentation/driver-api/usb/writing_usb_driver.rst:129: WARNING: undefined label: usb_header

Restore the label.

Fixes: caa93d9bd2 ("usb: Fix up movement of USB core kerneldoc location")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20210521013608.17957-1-festevam@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-05-21 14:41:37 +02:00
Andy Shevchenko
c58bbe3477 usb: typec: tcpm: Use LE to CPU conversion when accessing msg->header
Sparse is not happy about strict type handling:
  .../typec/tcpm/tcpm.c:2720:27: warning: restricted __le16 degrades to integer
  .../typec/tcpm/tcpm.c:2814:32: warning: restricted __le16 degrades to integer

Fix this by converting LE to CPU before use.

Fixes: ae8a2ca8a2 ("usb: typec: Group all TCPCI/TCPM code together")
Fixes: 64f7c494a3 ("typec: tcpm: Add support for sink PPS related messages")
Cc: stable <stable@vger.kernel.org>
Cc: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210519100358.64018-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-05-21 14:28:04 +02:00