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* [Qemu-devel] [PATCH] target-i386: bugfix of Intel MPX
@ 2014-03-03  5:24 Liu, Jinsong
  2014-03-03  8:34 ` Paolo Bonzini
  0 siblings, 1 reply; 2+ messages in thread
From: Liu, Jinsong @ 2014-03-03  5:24 UTC (permalink / raw)
  To: Paolo Bonzini, 'qemu-devel@nongnu.org',
	'kvm@vger.kernel.org',
	'linux-kernel@vger.kernel.org'
  Cc: Mallick, Asit K, 'gleb@redhat.com',
	'hpa@zytor.com'

>From 3a7783cd9a0556787809d3d5ecb5f2b85dd9fc02 Mon Sep 17 00:00:00 2001
From: Liu Jinsong <jinsong.liu@intel.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@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Asit K Mallick <asit.k.mallick@intel.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)
-- 
1.7.1

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [Qemu-devel] [PATCH] target-i386: bugfix of Intel MPX
  2014-03-03  5:24 [Qemu-devel] [PATCH] target-i386: bugfix of Intel MPX Liu, Jinsong
@ 2014-03-03  8:34 ` Paolo Bonzini
  0 siblings, 0 replies; 2+ messages in thread
From: Paolo Bonzini @ 2014-03-03  8:34 UTC (permalink / raw)
  To: Liu, Jinsong, 'qemu-devel@nongnu.org',
	'kvm@vger.kernel.org',
	'linux-kernel@vger.kernel.org'
  Cc: Mallick, Asit K, 'gleb@redhat.com',
	'hpa@zytor.com'

Il 03/03/2014 06:24, Liu, Jinsong ha scritto:
> From 3a7783cd9a0556787809d3d5ecb5f2b85dd9fc02 Mon Sep 17 00:00:00 2001
> From: Liu Jinsong <jinsong.liu@intel.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@intel.com>
> Cc: H. Peter Anvin <hpa@zytor.com>
> Cc: Asit K Mallick <asit.k.mallick@intel.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

^ permalink raw reply	[flat|nested] 2+ messages in thread

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