lkml.org 
[lkml]   [2018]   [Sep]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [BUG] [Resend] Possible sleep-in-atomic-context bugs involving regmap_lock_mutex()
From
Date
Thanks for the reply :)

On 2018/9/11 1:41, Mark Brown wrote:
> On Thu, Aug 30, 2018 at 10:34:20AM +0800, Jia-Ju Bai wrote:
>
>> My static tool DSAC reports many sleep-in-atomic-context bugs involving
>> regmap_lock_mutex(), so I wonder whether this function is possible to be
>> executed in atomic context.
> Have you actually analyzed the code paths that are really taken here?
> Static tools really don't cope very well with the pluggable locking in
> regmap. If there are problems I'd suggest reporting them to the authors
> of the drivers using them, it's not really anything to do with regmap if
> they've messed up their locking.

Okay, I will send the reports to the developers for these drivers.


Best wishes,
Jia-Ju Bai

\
 
 \ /
  Last update: 2018-09-13 05:19    [W:0.076 / U:0.632 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site