Messages in this thread | | | Date | Thu, 04 Dec 2014 16:54:50 +0800 | From | Wanpeng Li <> | Subject | Re: [PATCH 3/4] kvm: cpuid: fix xsave area size of XSAVEC |
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Hi Nadav, On 12/4/14, 4:30 PM, Nadav Amit wrote: > Wanpeng Li <wanpeng.li@linux.intel.com> wrote: > >> XSAVEC also use the compacted format for the extended region >> of the XSAVE area. This patch fix it by caculate the size of >> XSAVEC extended region of XSAVE area as compact format. >> >> Signed-off-by: Wanpeng Li <wanpeng.li@linux.intel.com> >> --- >> arch/x86/kvm/cpuid.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c >> index 70f0fa1..e16a0c7 100644 >> --- a/arch/x86/kvm/cpuid.c >> +++ b/arch/x86/kvm/cpuid.c >> @@ -92,7 +92,7 @@ int kvm_update_cpuid(struct kvm_vcpu *vcpu) >> } >> >> best = kvm_find_cpuid_entry(vcpu, 0xD, 1); >> - if (best && (best->eax & F(XSAVES))) >> + if (best && (best->eax & (F(XSAVES) || F(XSAVEC)))) > Did you want to use | (bitwise or) instead of II (logical or) ?
I make a mistake here, I will fix it in next version.
Regards, Wanpeng Li
> >> best->ebx = xstate_required_size(vcpu->arch.xcr0, true); >> >> /* >> -- >> 1.9.1 >> >> -- >> To unsubscribe from this list: send the line "unsubscribe kvm" in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html > Nadav > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/
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