Re: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt directionflag

From: Michael Matz
Date: Wed Mar 05 2008 - 16:59:35 EST


Hi,

On Wed, 5 Mar 2008, Chris Lattner wrote:

>
> On Mar 5, 2008, at 1:34 PM, H. Peter Anvin wrote:
>
> >Richard Guenther wrote:
> > >We didn't yet run into this issue and build openSUSE with 4.3 since more
> > >than
> > >three month.
> >
> >Well, how often do you take a trap inside an overlapping memmove()?
>
> How hard is it to change the kernel signal entry path from "pushf" to
> "pushf;cld"? Problem solved, no?

The problem is with old kernels, which by definition stay unfixed.


Ciao,
Michael.
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