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scsi: core: Protect host state changes with the host lock

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Some but not all SCSI host state changes are protected with the SCSI
host lock. Annotate the SCSI host state with __guarded_by(host_lock) and
protect all SCSI host state changes with the SCSI host lock. This patch
prevents that KCSAN complains about data races when accessing the SCSI
host state.

Reported-by: Jianzhou Zhao <luckd0g@163.com>
Closes: https://lore.kernel.org/all/36d59d0e.6db0.19cdbeee01b.Coremail.luckd0g@163.com/
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Link: https://patch.msgid.link/681e4a5260c182feb5fc1d96f0d43c62c21dc6c9.1786142946.git.bvanassche@acm.org
Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
This commit is contained in:
Bart Van Assche 2026-08-07 15:49:50 -07:00 • committed by Martin K. Petersen (Oracle)
commit 4c461ee2b2
10 changed files with 40 additions and 29 deletions
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