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

H. Peter Anvin
2008-03-05T22:09:44Z

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?

Not quite, but fixing it in the kernel is easy.

Still breaks for running on all old kernels.

-hpa