Only the low 32 bits are relevant.
Signed-off-by: Jan Beulich <jbeul...@suse.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) |
x86: correctly check for sub-leaf zero of leaf 7 in pv_cpuid()
Only the low 32 bits are relevant.
Signed-off-by: Jan Beulich <jbeul...@suse.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) |
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