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Re: [RFC Part2 PATCH v3 06/26] KVM: SVM: Prepare for new bit definition in nested_ctl

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  Re: [RFC Part2 PATCH v3 06/26] KVM: SVM: Prepare for new bit  definition in nested_ctl Borislav Petkov <bp@suse.de> - 2017-09-12 22:10 +0200

#1731214 — Re: [RFC Part2 PATCH v3 06/26] KVM: SVM: Prepare for new bit definition in nested_ctl

On Mon, Jul 24, 2017 at 03:02:43PM -0500, Brijesh Singh wrote:
> From: Tom Lendacky <thomas.lendacky@amd.com>
> 
> Currently the nested_ctl variable in the vmcb_control_area structure is
> used to indicate nested paging support. The nested paging support field
> is actually defined as bit 0 of the field. In order to support a new
> feature flag the usage of the nested_ctl and nested paging support must
> be converted to operate on a single bit.
> 
> Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
> Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
> ---
>  arch/x86/include/asm/svm.h | 2 ++
>  arch/x86/kvm/svm.c         | 7 ++++---
>  2 files changed, 6 insertions(+), 3 deletions(-)

Reviewed-by: Borislav Petkov <bp@suse.de>

-- 
Regards/Gruss,
    Boris.

SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)
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