lkml.org 
[lkml]   [2022]   [Nov]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v2 4/5] blk-iocost: fix sleeping in atomic context warnning
On Tue, Nov 22, 2022 at 05:14:29PM -0700, Jens Axboe wrote:
> >> Then match_strdup() and kfree() in match_NUMBER() can be replaced with
> >> get_buffer() and put_buffer().
> >
> > Sorry about the late reply. Yeah, something like this.
>
> Doesn't local_irq_disable() imply preemption disable as well?

Right, I was thinking about spin_lock_irq() which doesn't imply disabling
preemption in PREEMPT_RT. local_irq_disable() is actual irq disable even on
RT. It should be fine on its own.

Thanks.

--
tejun

\
 
 \ /
  Last update: 2022-11-23 01:44    [W:0.108 / U:0.284 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site