lkml.org 
[lkml]   [1998]   [Jan]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Change to printk breaks /proc/kmsg


On Fri, 23 Jan 1998, Bill Hawes wrote:
>
> The change in 2.1.80 to kernel/printk.c commenting out the wake up of
> logwait breaks /proc/kmsg for simple applications like teeing to a file.
>
> It seems like we would want to wake up any waiters after something new
> has been written to the log buffer. Was there some problem with doing a
> wake up at that point?

Heh.

That kind of change tends to indicate that somebody has been playing
around with the low-level interrupt and/or SMP code, and wants to make
sure that a prinkt() won't lock anything up when things are badly wrong.

Fixed,

Linus


\
 
 \ /
  Last update: 2005-03-22 13:41    [from the cache]
©2003-2011 Jasper Spaans