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No description
- C 98.2%
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| Filename | Latest commit message | Latest commit date |
|---|---|---|
b13a3539eb
In the case of UPIU/DME request execution failed in UFS device,
ufs_bsg_request() will complete the failed bsg job by calling
bsg_job_done(). Meanwhile, it returns this error status to blk-mq layer,
then triggers blk-mq completing this request again, this will cause the
following panic.
Call trace:
ll_sc___cmpxchg_case_acq_32+0x4/0x20
complete+0x28/0x70
blk_end_sync_rq+0x24/0x30
blk_mq_end_request+0xb8/0x118
bsg_job_put+0x4c/0x58
bsg_complete+0x20/0x30
blk_done_softirq+0xb4/0xe8
do_softirq+0x154/0x3f0
run_ksoftirqd+0x4c/0x68
smpboot_thread_fn+0x22c/0x268
kthread+0x130/0x138
ret_from_fork+0x10/0x1c
Code: f84107fe d65f03c0 d503201f f9800011 (885ffc10)
---[ end trace d92825bff6326e66 ]---
Kernel panic - not syncing: Fatal exception in interrupt
This patch is to fix this issue. The solution is to complete the ufs-bsg
job only if no error happened.
[mkp: commit description tweak]
Fixes:
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
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.