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

Paolo Bonzini
2008-03-06T14:03:42Z

Olivier Galibert wrote:
> On Wed, Mar 05, 2008 at 05:12:07PM -0800, H. Peter Anvin wrote:
>> It's a kernel bug, and it needs to be fixed.
>
> I'm not convinced. It's been that way for 15 years, it's that way in
> the BSD kernels, at that point it's a feature. The bug is in the
> documentation, nowhere else. And in gcc for blindly trusting the
> documentation.

No, the bug *in the kernel* was already present (if you had a signal
raised during a call to memmove). It's just more visible with GCC 4.3.

Paolo