lkml.org 
[lkml]   [2018]   [Jul]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] scsi: switch to scsi-mq by default
From
Date
On 11/07/18 05:52, Martin K. Petersen wrote:
>
> Johannes,
>
>> It has been more than one year since we tried to change the default
>> from legacy to multi queue in SCSI with commit c279bd9e406 ("scsi:
>> default to scsi-mq"). But due to issues with suspend/resume and
>> performance problems it had been reverted again with commit
>> cbe7dfa26eee ("Revert "scsi: default to scsi-mq"").
>>
>> In the meantime there have been a substantial amount of performance
>> improvements and suspend/resume got fixed as well, thus we can
>> re-enable scsi-mq without a significant performance penalty.
>
> Applied to 4.19/scsi-queue, thanks!
>

But there is no runtime pm support, is there? I tried enabling runtime PM
for UFS SCSI devices with scsi-mq and it didn't work, which is a regression.

\
 
 \ /
  Last update: 2018-07-11 10:33    [W:0.030 / U:17.068 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site