lkml.org 
[lkml]   [2020]   [Sep]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 2/2] printk: Make the console flush configurable in hotplug path
On (20/09/23 17:08), Prasad Sodagudi wrote:
> From: Mohammed Khajapasha <mkhaja@codeaurora.org>
>
> The thread which initiates the hot plug can get scheduled
> out, while trying to acquire the console lock,
> thus increasing the hot plug latency. This option
> allows to selectively disable the console flush and
> in turn reduce the hot plug latency.

It can schedule out or get preempted pretty much anywhere at any
time. printk->console_lock is not special in this regard. What am
I missing?

-ss

\
 
 \ /
  Last update: 2020-09-24 08:39    [W:0.080 / U:1.280 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site