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Giridhar Malavali f5ff7098d9 scsi: qla2xxx: Defer processing of GS IOCB calls 
commit 5d3300a9b8 upstream.

This patch defers processing of GS IOCB calls from interrupt context to
avoid hardware spinlock recursion.

Following stack trace is seen

? mod_timer+0x193/0x330
? ql_dbg+0xa7/0xf0 [qla2xxx]
_raw_spin_lock_irqsave+0x31/0x40
qla2x00_start_sp+0x3b/0x250 [qla2xxx]
qla24xx_async_gnl+0x1d3/0x240 [qla2xxx]
qla24xx_fcport_handle_login+0x285/0x290 [qla2xxx]
? vprintk_func+0x20/0x50

Fixes: 726b854870 ("qla2xxx: Add framework for async fabric discovery")
Cc: <stable@vger.kernel.org> # 4.10+
Signed-off-by: Giridhar Malavali <giridhar.malavali@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2018-03-15 10:54:27 +01:00
arch ARM: omap2: hide omap3_save_secure_ram on non-OMAP3 builds 2018-03-15 10:54:22 +01:00
block blk-mq: don't call io sched's .requeue_request when requeueing rq to ->dispatch 2018-03-08 22:41:20 -08:00
certs License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
crypto crypto: af_alg - Fix race around ctx->rcvused by making it atomic_t 2018-03-03 10:24:29 +01:00
Documentation KVM: x86: fix backward migration with async_PF 2018-03-11 16:23:23 +01:00
drivers scsi: qla2xxx: Defer processing of GS IOCB calls 2018-03-15 10:54:27 +01:00
firmware License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
fs direct-io: Fix sleep in atomic due to sync AIO 2018-03-08 22:41:06 -08:00
include tpm: Keep CLKRUN enabled throughout the duration of transmit_cmd() 2018-03-15 10:54:24 +01:00
init kmemcheck: stop using GFP_NOTRACK and SLAB_NOTRACK 2018-02-22 15:42:23 +01:00
ipc License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
kernel bpf: allow xadd only on aligned memory 2018-03-11 16:23:22 +01:00
lib lib/mpi: Fix umul_ppmm() for MIPS64r6 2018-03-03 10:24:29 +01:00
mm mm/frame_vector.c: release a semaphore in 'get_vaddr_frames()' 2018-03-03 10:24:21 +01:00
net netfilter: use skb_to_full_sk in ip6_route_me_harder 2018-03-15 10:54:24 +01:00
samples samples/bpf: adjust rlimit RLIMIT_MEMLOCK for xdp1 2017-12-20 10:10:31 +01:00
scripts scripts/kernel-doc: Don't fail with status != 0 if error encountered with -none 2018-02-25 11:07:58 +01:00
security selinux: skip bounded transition processing if the policy isn't loaded 2018-02-25 11:07:49 +01:00
sound ASoC: Intel: kbl: fix jack name 2018-03-15 10:54:23 +01:00
tools bpf: allow xadd only on aligned memory 2018-03-11 16:23:22 +01:00
usr initramfs: fix initramfs rebuilds w/ compression after disabling 2017-11-03 07:39:19 -07:00
virt KVM: mmu: Fix overlap between public and private memslots 2018-03-08 22:41:24 -08:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore Add hch to .get_maintainer.ignore 2015-08-21 14:30:10 -07:00
.gitattributes .gitattributes: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore kbuild: rpm-pkg: keep spec file until make mrproper 2018-02-13 10:19:46 +01:00
.mailmap .mailmap: Add Maciej W. Rozycki's Imagination e-mail address 2017-11-10 12:16:15 -08:00
COPYING [PATCH] update FSF address in COPYING 2005-09-10 10:06:29 -07:00
CREDITS MAINTAINERS: update TPM driver infrastructure changes 2017-11-09 17:58:40 -08:00
Kbuild License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
MAINTAINERS kmemcheck: rip it out 2018-02-22 15:42:24 +01:00
Makefile kbuild: move "_all" target out of $(KBUILD_SRC) conditional 2018-03-15 10:54:21 +01:00
README README: add a new README file, pointing to the Documentation/ 2016-10-24 08:12:35 -02:00

README 

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.