Re: [PATCH 6/17] arch/x86/kernel: Add missing spin_unlock

From: Nicolas Palix
Date: Thu May 27 2010 - 07:42:40 EST


On Thursday 27 May 2010 13:17:58 Julia Lawall wrote:
> On Thu, 27 May 2010, Roedel, Joerg wrote:
>
> > On Wed, May 26, 2010 at 11:55:59AM -0400, Julia Lawall wrote:
> > > The semantic match that finds this problem is as follows:
> > > (http://coccinelle.lip6.fr/)
> > >
> > > // <smpl>
> > > @@
> > > expression E1;
> > > @@
> > >
> > > * spin_lock(E1,...);
> > > <+... when != E1
> > > if (...) {
> > > ... when != E1
> > > * return ...;
> > > }
> > > ...+>
> > > * spin_unlock(E1,...);
> > > // </smpl>
> >
> > Btw, I think it would be great to have a collection of these semantic
> > match scripts in the kernel repository together with a build target to
> > run these scripts over the kernel sources (like the cscope target).
> > Opinions?
>
> We have submitted and received some feedback on an initial version of
> this, but I'm not completely sure of the current status.

You can see the latest feedback we get at
http://lkml.org/lkml/2010/5/10/257

The initial submission and its comments are at
http://lkml.org/lkml/2010/4/26/269

>
> julia
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--
Nicolas Palix
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Tel: (+33) 6 81 07 91 72
Web: http://www.diku.dk/~npalix/
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