Messages in this thread | | | Date | Sun, 13 Dec 2009 19:17:26 +0100 | From | Ingo Molnar <> | Subject | Re: [GIT PATCH] TTY patches for 2.6.33-git |
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* 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
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