On 19/01/15 15:27, Jan Beulich wrote: > Only the low 32 bits are relevant. > > Signed-off-by: Jan Beulich <jbeul...@suse.com>
There are two examples of "regs->eax" which could turn to regs->_eax under the same argument; the if statement immediately after cpuid, and the switch statement. Either way, Reviewed-by: Andrew Cooper <andrew.coop...@citrix.com> > > --- a/xen/arch/x86/traps.c > +++ b/xen/arch/x86/traps.c > @@ -916,7 +916,7 @@ void pv_cpuid(struct cpu_user_regs *regs > break; > > case 0x00000007: > - if ( regs->ecx == 0 ) > + if ( regs->_ecx == 0 ) > b &= (cpufeat_mask(X86_FEATURE_BMI1) | > cpufeat_mask(X86_FEATURE_HLE) | > cpufeat_mask(X86_FEATURE_AVX2) | > > > _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
