On Thu, Oct 16, 2014 at 11:06 AM, Andi Kleen wrote:
>> Now that %ebx is no more fixed, we can remove all PIC related
>> complications in atomic_compare_and_swap_doubleword pattern. The
>> immediate consequence is, that we avoid "hidden" xchgs that clobbered
>> unwinding state.
>
> Could also do t
Uros Bizjak writes:
> Hello!
>
> Now that %ebx is no more fixed, we can remove all PIC related
> complications in atomic_compare_and_swap_doubleword pattern. The
> immediate consequence is, that we avoid "hidden" xchgs that clobbered
> unwinding state.
Could also do the same in cpuid.h now
-And
Hello!
Now that %ebx is no more fixed, we can remove all PIC related
complications in atomic_compare_and_swap_doubleword pattern. The
immediate consequence is, that we avoid "hidden" xchgs that clobbered
unwinding state.
Earlier fix by Ian [1] partly solved this issue using various .cfi
directive