linux-kernel - Re: [PATCH 4/9] kvm: x86: Add kvm_x86_ops hook that enables XSAVES for guest

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20141205133226.GB18653@potion.brq.redhat.com>
Date:	Fri, 5 Dec 2014 14:32:27 +0100
From:	Radim Krčmář <rkrcmar@...hat.com>
To:	Paolo Bonzini <pbonzini@...hat.com>
Cc:	linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
	Wanpeng Li <wanpeng.li@...ux.intel.com>
Subject: Re: [PATCH 4/9] kvm: x86: Add kvm_x86_ops hook that enables XSAVES
 for guest

(I somehow managed to review one patch twice instead of this one ...)

2014-12-04 16:57+0100, Paolo Bonzini:
> From: Wanpeng Li <wanpeng.li@...ux.intel.com>
> 
> Expose the XSAVES feature to the guest if the kvm_x86_ops say it is
> available.
> 
> Signed-off-by: Wanpeng Li <wanpeng.li@...ux.intel.com>
> Signed-off-by: Paolo Bonzini <pbonzini@...hat.com>
> ---

Reviewed-by: Radim Krčmář <rkrcmar@...hat.com>

> --- a/arch/x86/include/asm/vmx.h
> +++ b/arch/x86/include/asm/vmx.h
> @@ -69,6 +69,7 @@
>  #define SECONDARY_EXEC_PAUSE_LOOP_EXITING	0x00000400
>  #define SECONDARY_EXEC_ENABLE_INVPCID		0x00001000
>  #define SECONDARY_EXEC_SHADOW_VMCS              0x00004000
> +#define SECONDARY_EXEC_XSAVES			0x00100000

(Email exposes tab alignment nicely.)
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/