Messages in this thread | | | Subject | Re: [BUG] [Resend] Possible sleep-in-atomic-context bugs involving regmap_lock_mutex() | From | Jia-Ju Bai <> | Date | Thu, 13 Sep 2018 11:18:21 +0800 |
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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
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