linux-kernel - Re: [PART1 RFC v3 05/12] svm: Introduce new AVIC VMCB registers

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Message-ID: <56EBD467.9090304@redhat.com>
Date:	Fri, 18 Mar 2016 11:11:51 +0100
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	Suravee Suthikulpanit <Suravee.Suthikulpanit@....com>,
	rkrcmar@...hat.com, joro@...tes.org, bp@...en8.de, gleb@...nel.org,
	alex.williamson@...hat.com
Cc:	kvm@...r.kernel.org, linux-kernel@...r.kernel.org, wei@...hat.com,
	sherry.hurwitz@....com
Subject: Re: [PART1 RFC v3 05/12] svm: Introduce new AVIC VMCB registers



On 18/03/2016 07:09, Suravee Suthikulpanit wrote:
> Introduce new AVIC VMCB registers.
> 
> Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@....com>
> ---
>  arch/x86/include/asm/svm.h | 9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/x86/include/asm/svm.h b/arch/x86/include/asm/svm.h
> index 6136d99..66e26a0 100644
> --- a/arch/x86/include/asm/svm.h
> +++ b/arch/x86/include/asm/svm.h
> @@ -78,7 +78,8 @@ struct __attribute__ ((__packed__)) vmcb_control_area {
>  	u32 exit_int_info;
>  	u32 exit_int_info_err;
>  	u64 nested_ctl;
> -	u8 reserved_4[16];
> +	u64 avic_vapic_bar;
> +	u8 reserved_4[8];
>  	u32 event_inj;
>  	u32 event_inj_err;
>  	u64 nested_cr3;
> @@ -88,7 +89,11 @@ struct __attribute__ ((__packed__)) vmcb_control_area {
>  	u64 next_rip;
>  	u8 insn_len;
>  	u8 insn_bytes[15];
> -	u8 reserved_6[800];
> +	u64 avic_backing_page;	/* Offset 0xe0 */
> +	u8 reserved_6[8];	/* Offset 0xe8 */
> +	u64 avic_log_apic_id;	/* Offset 0xf0 */
> +	u64 avic_phy_apic_id;	/* Offset 0xf8 */
> +	u8 reserved_7[768];
>  };
>  
>  
> 

Reviewed-by: Paolo Bonzini <pbonzini@...hat.com>