lkml.org 
[lkml]   [2014]   [Dec]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 3/4] kvm: cpuid: fix xsave area size of XSAVEC
From
Date
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) ?

> 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


\
 
 \ /
  Last update: 2014-12-04 10:01    [W:0.243 / U:0.620 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site