lkml.org 
[lkml]   [2020]   [Dec]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] scsi/atari_scsi: Fix race condition between .queuecommand and EH
On Fri, 20 Nov 2020 15:39:56 +1100, Finn Thain wrote:

> It is possible that bus_reset_cleanup() or .eh_abort_handler could
> be invoked during NCR5380_queuecommand(). If that takes place before
> the new command is enqueued and after the ST-DMA "lock" has been
> acquired, the ST-DMA "lock" will be released again. This will result
> in a lost DMA interrupt and a command timeout. Fix this by excluding
> EH and interrupt handlers while the new command is enqueued.

Applied to 5.11/scsi-queue, thanks!

[1/1] scsi: atari_scsi: Fix race condition between .queuecommand and EH
https://git.kernel.org/mkp/scsi/c/03fe6a640a05

--
Martin K. Petersen Oracle Linux Engineering

\
 
 \ /
  Last update: 2020-12-01 06:07    [W:0.390 / U:0.036 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site