Re: Something very strange on x86_64 2.6.X kernels

[Andi Kleen]

On Fri, Jan 21, 2005 at 05:26:01PM +0100, Petr Vandrovec wrote:
> On Thu, Jan 20, 2005 at 09:53:36PM +0100, Eric Dumazet wrote:
> > 
> > Examining linux sources, I found that 0xffffe000 is 'special' (ia 32 
> > vsyscall) and 0xffffe600 is about sigreturn subsection of this special area.
> > 
> > Is it possible some vm trick just kicks in and corrupts my true 64bits 
> > program ?
> 
> Maybe I already missed answer, but try patch below.  It is definitely bad
> to mark syscall page as global one...

Patch looks good thanks. Ugh, what a stupid bug.

I applied the patch to my tree.

-Andi
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