lkml.org 
[lkml]   [2014]   [Nov]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 1/2] tracing: don't busy wait in buffer splice
On Fri, 7 Nov 2014 13:21:06 -0500
Steven Rostedt <rostedt@goodmis.org> wrote:


> This also needs to be marked for stable. I'll start looking at how far
> this goes back. I'm thinking it may go back as far as the splice code
> was created.

Actually, it is broken back to 3.16. 3.15 and before was safe because
it was still using the mockup poll_wait_pipe() that would wake up every
1/10 of a second to see if something was in the buffer.

See commit: b1169cc69ba9 "tracing: Remove mock up poll wait function"

-- Steve


\
 
 \ /
  Last update: 2014-11-08 01:41    [W:0.044 / U:0.324 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site