Could we have a patch for this?
Cheers,
- Marc-Andre
On Thu, Feb 9, 2012 at 10:00 AM, Andriy Gapon <a...@icyb.net.ua> wrote:
>
> The code in question:
>
> void cpuid(unsigned info, unsigned *eax, unsigned *ebx, unsigned *ecx,
> unsigned *edx)
> {
> #ifdef __GNUC__
> #if defined(__i386__) || defined(__x86_64__)
> *eax = info;
> __asm volatile
> ("mov %%ebx, %%edi;" /* 32bit PIC: don't clobber ebx */
> "cpuid;"
> "mov %%ebx, %%esi;"
> "mov %%edi, %%ebx;"
> :"+a" (*eax), "=S" (*ebx), "=c" (*ecx), "=d" (*edx)
> : :"edi");
> #endif
> #endif
> }
>
> On 64-bit systems upper half of %rbx gets clobbered, because only %ebx is
> preserved via %edi.
>
> --
> Andriy Gapon
>
>
> ------------------------------------------------------------------------------
> Virtualization & Cloud Management Using Capacity Planning
> Cloud computing makes use of virtualization - but cloud computing
> also focuses on allowing computing to be delivered as a service.
> http://www.accelacomm.com/jaw/sfnl/114/51521223/
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------------------------------------------------------------------------------
Virtualization & Cloud Management Using Capacity Planning
Cloud computing makes use of virtualization - but cloud computing
also focuses on allowing computing to be delivered as a service.
http://www.accelacomm.com/jaw/sfnl/114/51521223/
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