linux-kernel - Re: [PATCH][RESEND] intel_txt: enable SMX flag for VMXON in KVM

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Date:	Wed, 05 May 2010 11:12:03 +0300
From:	Avi Kivity <avi@...hat.com>
To:	Shane Wang <shane.wang@...el.com>
CC:	hpa@...or.com, mingo@...e.hu, joseph.cihula@...el.com,
	linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Subject: Re: [PATCH][RESEND] intel_txt: enable SMX flag for VMXON in KVM

On 05/05/2010 01:38 PM, Shane Wang wrote:
> Per Intel SDM 3B 20.7, for IA32_FEATURE_CONTROL MSR
> Bit 1 enables VMXON in SMX operation. If the bit is clear, execution of VMXON in SMX operation causes a general-protection exception.
> Bit 2 enables VMXON outside SMX operation. If the bit is clear, execution of VMXON outside SMX operation causes a general-protection exception.
>
> This patch is to check the correct in/outside-SMX flag when detecting if VMX is disabled by BIOS, and to set in-SMX flag for VMXON after Intel TXT is launched in KVM.
>
>    

Already committed as 9d4b473eeea, I forgot to confirm, sorry.

-- 
error compiling committee.c: too many arguments to function

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