xen-changelog

[Top] [All Lists]

[Xen-changelog] [xen-unstable] x86: Let dom0 write MPERF/APERF MSRs if i

from [Xen patchbot-unstable]

[Permanent Link][Original]

To:	xen-changelog@xxxxxxxxxxxxxxxxxxx
Subject:	[Xen-changelog] [xen-unstable] x86: Let dom0 write MPERF/APERF MSRs if it is managing cpufreq.
From:	Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>
Date:	Mon, 19 Jan 2009 08:15:10 -0800
Delivery-date:	Mon, 19 Jan 2009 08:14:56 -0800
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 Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1232119932 0
# Node ID 3c9b66b1798dd920a49d9511176aa0c03af9bc00
# Parent  845aa241e1633b3dadfd4589bf6c7010ca5fd35b
x86: Let dom0 write MPERF/APERF MSRs if it is managing cpufreq.

Signed-off-by: Chris Lalancette <clalance@xxxxxxxxxx>
---
 xen/arch/x86/traps.c |    2 ++
 1 files changed, 2 insertions(+)

diff -r 845aa241e163 -r 3c9b66b1798d xen/arch/x86/traps.c
--- a/xen/arch/x86/traps.c      Fri Jan 16 15:12:12 2009 +0000
+++ b/xen/arch/x86/traps.c      Fri Jan 16 15:32:12 2009 +0000
@@ -2178,6 +2178,8 @@ static int emulate_privileged_op(struct 
             if ( wrmsr_safe(MSR_FAM10H_MMIO_CONF_BASE, eax, edx) != 0 )
                 goto fail;
             break;
+        case MSR_IA32_MPERF:
+        case MSR_IA32_APERF:
         case MSR_IA32_PERF_CTL:
             if ( boot_cpu_data.x86_vendor != X86_VENDOR_INTEL )
                 goto fail;

_______________________________________________
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-unstable] x86: Let dom0 write MPERF/APERF MSRs if it is managing cpufreq., Xen patchbot-unstable <=

Previous by Date:	[Xen-changelog] [xen-unstable] x86: Fix the 32-bit build., Xen patchbot-unstable
Next by Date:	[Xen-changelog] [xen-unstable] x86_64: Remove statically-partitioned Xen heap., Xen patchbot-unstable
Previous by Thread:	[Xen-changelog] [xen-unstable] x86: Fix the 32-bit build., Xen patchbot-unstable
Next by Thread:	[Xen-changelog] [xen-unstable] x86_64: Remove statically-partitioned Xen heap., Xen patchbot-unstable
Indexes:	[Date] [Thread] [Top] [All Lists]