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

Michael Matz
2008-03-05T21:59:34Z

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.