[PATCH 1/5] Fix xen_cpuid() inline asm to not clobber stack's red zone
Simon Horman
horms at verge.net.au
Fri Dec 14 08:31:55 EST 2012
On Thu, Dec 13, 2012 at 04:48:46PM +0100, Olaf Hering wrote:
> Port xen-unstable changeset 24344:72f4e4cb7440 to kexec-tools:
>
> Pushing stuff onto the stack on x86-64 when we do not specify
> -mno-red-zone is unsafe. Since the complicated asm is due to register
> pressure on i386, we simply implement an all-new simpler alternative
> for x86-64.
Thanks, all 5 patches applied.
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