xen-changelog

[Top] [All Lists]

[Xen-changelog] [xen-4.1-testing] x86/AMD: don't set ARAT feature flag o

from [Xen patchbot-4 . 1-testing]

[Permanent Link][Original]

To:	xen-changelog@xxxxxxxxxxxxxxxxxxx
Subject:	[Xen-changelog] [xen-4.1-testing] x86/AMD: don't set ARAT feature flag on family F CPUs
From:	Xen patchbot-4.1-testing <patchbot@xxxxxxx>
Date:	Thu, 26 May 2011 00:05:25 +0100
Delivery-date:	Wed, 25 May 2011 16:07:41 -0700
Envelope-to:	www-data@xxxxxxxxxxxxxxxxxxx
List-help:	<mailto:xen-changelog-request@lists.xensource.com?subject=help>
List-id:	BK change log <xen-changelog.lists.xensource.com>
List-post:	<mailto:xen-changelog@lists.xensource.com>
List-subscribe:	<http://lists.xensource.com/mailman/listinfo/xen-changelog>, <mailto:xen-changelog-request@lists.xensource.com?subject=subscribe>
List-unsubscribe:	<http://lists.xensource.com/mailman/listinfo/xen-changelog>, <mailto:xen-changelog-request@lists.xensource.com?subject=unsubscribe>
Reply-to:	xen-devel@xxxxxxxxxxxxxxxxxxx
Sender:	xen-changelog-bounces@xxxxxxxxxxxxxxxxxxx

# HG changeset patch
# User Jan Beulich <jbeulich@xxxxxxxxxx>
# Date 1305895805 -3600
# Node ID cf1089b7d89b2b392c3b065839da7e550d08a7ca
# Parent  b2d0c08b99b5a4115c67bf2188391c59eb9dcd20
x86/AMD: don't set ARAT feature flag on family F CPUs

Following Linux commit 14fb57dccb6e1defe9f89a66f548fcb24c374c1d from
Borislav Petkov.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>
xen-unstable changeset:   23356:c8f00ee51e15
xen-unstable date:        Fri May 20 09:11:54 2011 +0100
---


diff -r b2d0c08b99b5 -r cf1089b7d89b xen/arch/x86/cpu/amd.c
--- a/xen/arch/x86/cpu/amd.c    Fri May 20 13:49:36 2011 +0100
+++ b/xen/arch/x86/cpu/amd.c    Fri May 20 13:50:05 2011 +0100
@@ -609,7 +609,7 @@
 #endif
 
        /* As a rule processors have APIC timer running in deep C states */
-       if (c->x86 >= 0xf && !cpu_has_amd_erratum(c, AMD_ERRATUM_400))
+       if (c->x86 > 0xf && !cpu_has_amd_erratum(c, AMD_ERRATUM_400))
                set_bit(X86_FEATURE_ARAT, c->x86_capability);
 
        /* Prevent TSC drift in non single-processor, single-core platforms. */

_______________________________________________
Xen-changelog mailing list
Xen-changelog@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-changelog

[More with this subject...]

<Prev in Thread]	Current Thread	[Next in Thread>
[Xen-changelog] [xen-4.1-testing] x86/AMD: don't set ARAT feature flag on family F CPUs, Xen patchbot-4 . 1-testing <=

Previous by Date:	[Xen-changelog] [xen-4.1-testing] x86: clear CPUID output of leaf 0xd for Dom0 when xsave is disabled, Xen patchbot-4 . 1-testing
Next by Date:	[Xen-changelog] [xen-4.1-testing] x86/mca: Fix debug output., Xen patchbot-4 . 1-testing
Previous by Thread:	[Xen-changelog] [xen-4.1-testing] x86: clear CPUID output of leaf 0xd for Dom0 when xsave is disabled, Xen patchbot-4 . 1-testing
Next by Thread:	[Xen-changelog] [xen-4.1-testing] x86/mca: Fix debug output., Xen patchbot-4 . 1-testing
Indexes:	[Date] [Thread] [Top] [All Lists]