From: Marcelo Tosatti <mtosatti@redhat.com>
To: Sheng Yang <sheng@linux.intel.com>
Cc: Avi Kivity <avi@redhat.com>,
kvm@vger.kernel.org, Dexuan Cui <dexuan.cui@intel.com>
Subject: Re: [PATCH v8 1/2] KVM: VMX: Enable XSAVE/XRSTOR for guest
Date: Thu, 10 Jun 2010 15:27:37 -0300 [thread overview]
Message-ID: <20100610182737.GA7999@amt.cnet> (raw)
In-Reply-To: <1276140433-29570-1-git-send-email-sheng@linux.intel.com>
On Thu, Jun 10, 2010 at 11:27:12AM +0800, Sheng Yang wrote:
> From: Dexuan Cui <dexuan.cui@intel.com>
>
> This patch enable guest to use XSAVE/XRSTOR instructions.
>
> We assume that host_xcr0 would use all possible bits that OS supported.
>
> And we loaded xcr0 in the same way we handled fpu - do it as late as we can.
>
> Signed-off-by: Dexuan Cui <dexuan.cui@intel.com>
> Signed-off-by: Sheng Yang <sheng@linux.intel.com>
> ---
> arch/x86/include/asm/kvm_host.h | 2 +
> arch/x86/include/asm/vmx.h | 1 +
> arch/x86/kvm/kvm_cache_regs.h | 6 ++
> arch/x86/kvm/vmx.c | 13 ++++
> arch/x86/kvm/x86.c | 130 ++++++++++++++++++++++++++++++++++++--
> include/linux/kvm_host.h | 2 +-
> 6 files changed, 146 insertions(+), 8 deletions(-)
Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com>
next prev parent reply other threads:[~2010-06-10 18:29 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-10 3:27 [PATCH v8 1/2] KVM: VMX: Enable XSAVE/XRSTOR for guest Sheng Yang
2010-06-10 3:27 ` [PATCH 2/2] KVM: x86: XSAVE/XRSTOR live migration support Sheng Yang
2010-06-10 9:19 ` Avi Kivity
2010-06-10 9:05 ` [PATCH v8 1/2] KVM: VMX: Enable XSAVE/XRSTOR for guest Avi Kivity
2010-06-10 18:27 ` Marcelo Tosatti [this message]
2010-06-11 5:15 ` Avi Kivity
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