lkml.org 
[lkml]   [2009]   [Dec]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [GIT PATCH] TTY patches for 2.6.33-git

* Linus Torvalds <torvalds@linux-foundation.org> wrote:

>
>
> On Sun, 13 Dec 2009, Ingo Molnar wrote:
> >
> > In the last ~4.5 years:
> >
> > earth4:~/tip> git checkout v2.6.12
> > Date: Fri Jun 17 12:48:29 2005 -0700
> > earth4:~/tip> git grep -w unlock_kernel | wc -l
> > 713
> >
> > earth4:~/tip> git checkout linus
> > Date: Fri Dec 11 20:58:20 2009 -0800
> > earth4:~/tip> git grep -w unlock_kernel | wc -l
> > 841
>
> Git hint of the day: you don't need to check out a kernel to do "git
> grep".
>
> Do this:
>
> git grep -w unlock_kernel v2.6.12 | wc
>
> and it will JustWork(tm).

/me adds it to the metal toolbox

> > Also, a lot of BKL use was hidden before, and due to the BKL removal
> > activities (by Thomas, Frederic, Jon, Alan and others) the remaining BKL using
> > sites are a lot more well defined, a lot more isolated and thus a lot more
> > removable than ever before.
>
> That's the main thing. We've been pushing them down a lot.
>
> We still have a few annoying core ones, though. I hate the execve() and file
> locking ones.

When we did the BKL-as-a-mutex trick and let lockdep loose on it, three areas
were particularly tricky: tty, reiser3 and NFS. tty and reiserfs should be ok
now, but i havent seen much activity on the NFS front.

Ingo


\
 
 \ /
  Last update: 2009-12-13 19:21    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site