lkml.org 
[lkml]   [2012]   [May]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH RESEND 1/3] printk: convert byte-buffer to variable-length record buffer
From
Date
On Thu, 2012-05-03 at 13:09 -0700, Linus Torvalds wrote:
> On Thu, May 3, 2012 at 1:02 PM, Peter Zijlstra <peterz@infradead.org> wrote:
> >
> > Thing is, with bonkers stuff like usb-console and kms/drm that's a _lot_
> > of code running under the logbuf/console locks.
>
> The top-level console lock shouldn't be a problem - we use trylock and
> delay if it is held.
>
> It's the lower-level driver-specific locks that screw us up. And quite
> frankly, I am *not* willing to say that that is a printk() problem.
> That is purely a "USB serial console is damn well broken" issue, and
> should not be considered a limitation of printk.

I'm happy to call all that broken ;-)


\
 
 \ /
  Last update: 2012-05-03 22:21    [W:0.150 / U:0.444 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site