linux-kernel - Re: [PATCH] target-i386: bugfix of Intel MPX

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Date:	Mon, 03 Mar 2014 09:34:25 +0100
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	"Liu, Jinsong" <jinsong.liu@...el.com>,
	"'qemu-devel@...gnu.org'" <qemu-devel@...gnu.org>,
	"'kvm@...r.kernel.org'" <kvm@...r.kernel.org>,
	"'linux-kernel@...r.kernel.org'" <linux-kernel@...r.kernel.org>
CC:	"'hpa@...or.com'" <hpa@...or.com>,
	"Mallick, Asit K" <asit.k.mallick@...el.com>,
	"'gleb@...hat.com'" <gleb@...hat.com>
Subject: Re: [PATCH] target-i386: bugfix of Intel MPX

Il 03/03/2014 06:24, Liu, Jinsong ha scritto:
> From 3a7783cd9a0556787809d3d5ecb5f2b85dd9fc02 Mon Sep 17 00:00:00 2001
> From: Liu Jinsong <jinsong.liu@...el.com>
> Date: Mon, 3 Mar 2014 18:56:39 +0800
> Subject: [PATCH] target-i386: bugfix of Intel MPX
>
> The correct size of cpuid 0x0d sub-leaf 4 is 0x40, not 0x10.
> This is confirmed by Anvin H Peter and Mallick Asit K.
>
> Signed-off-by: Liu Jinsong <jinsong.liu@...el.com>
> Cc: H. Peter Anvin <hpa@...or.com>
> Cc: Asit K Mallick <asit.k.mallick@...el.com>
> ---
>  target-i386/cpu.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/target-i386/cpu.c b/target-i386/cpu.c
> index 0e8812a..9f69d7e 100644
> --- a/target-i386/cpu.c
> +++ b/target-i386/cpu.c
> @@ -339,7 +339,7 @@ static const ExtSaveArea ext_save_areas[] = {
>      [3] = { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_MPX,
>              .offset = 0x3c0, .size = 0x40  },
>      [4] = { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_MPX,
> -            .offset = 0x400, .size = 0x10  },
> +            .offset = 0x400, .size = 0x40  },
>  };
>
>  const char *get_register_name_32(unsigned int reg)
>

Thanks, applying to uq/master.

Paolo
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