Re: [PATCH, i386]: Fix PR 59432, sync/atomic FAILs on 32bit x86 systems without .cfi directives
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 the same in cpuid.h now I am just writing the patch submission ;) Uros.
Re: [PATCH, i386]: Fix PR 59432, sync/atomic FAILs on 32bit x86 systems without .cfi directives
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 -Andi -- a...@linux.intel.com -- Speaking for myself only
