* libxl: enable/disable SVM cpuid bits
@ 2011-06-01 14:21 Christoph Egger
2011-06-01 14:52 ` Christoph Egger
0 siblings, 1 reply; 4+ messages in thread
From: Christoph Egger @ 2011-06-01 14:21 UTC (permalink / raw)
To: xen-devel
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Allow to enable/disable SVM cpuid bits in the guest config file.
Signed-off-by: Christoph Egger <Christoph.Egger@amd.com>
--
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Advanced Micro Devices GmbH
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Registergericht Muenchen, HRB Nr. 43632
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diff -r 4d28306d6e33 tools/libxl/libxl_cpuid.c
--- a/tools/libxl/libxl_cpuid.c Tue May 31 13:57:45 2011 +0100
+++ b/tools/libxl/libxl_cpuid.c Wed Jun 01 16:20:24 2011 +0200
@@ -178,6 +178,11 @@ int libxl_cpuid_parse_config(libxl_cpuid
{"procpkg", 0x00000004, 0, CPUID_REG_EAX, 26, 6},
{"apicidsize", 0x80000008, NA, CPUID_REG_ECX, 12, 4},
{"nc", 0x80000008, NA, CPUID_REG_ECX, 0, 8},
+ {"svm_npt", 0x8000000a, NA, CPUID_REG_EDX, 0, 1},
+ {"svm_lbrv", 0x8000000a, NA, CPUID_REG_EDX, 1, 1},
+ {"svm_nrips", 0x8000000a, NA, CPUID_REG_EDX, 2, 1},
+ {"svm_vmcbclean",0x8000000a, NA, CPUID_REG_EDX, 5, 1},
+ {"svm_pausefilt",0x8000000a, NA, CPUID_REG_EDX, 10, 1},
{NULL, 0, CPUID_REG_INV, 0, 0}
};
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^ permalink raw reply [flat|nested] 4+ messages in thread* Re: libxl: enable/disable SVM cpuid bits
2011-06-01 14:21 libxl: enable/disable SVM cpuid bits Christoph Egger
@ 2011-06-01 14:52 ` Christoph Egger
2011-06-02 16:37 ` Ian Jackson
0 siblings, 1 reply; 4+ messages in thread
From: Christoph Egger @ 2011-06-01 14:52 UTC (permalink / raw)
To: xen-devel
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On 06/01/11 16:21, Christoph Egger wrote:
>
> Allow to enable/disable SVM cpuid bits in the guest config file.
>
> Signed-off-by: Christoph Egger<Christoph.Egger@amd.com>
>
Fixed oversight. nrips was wrong.
Signed-off-by: Christoph Egger<Christoph.Egger@amd.com>
--
---to satisfy European Law for business letters:
Advanced Micro Devices GmbH
Einsteinring 24, 85689 Dornach b. Muenchen
Geschaeftsfuehrer: Alberto Bozzo, Andrew Bowd
Sitz: Dornach, Gemeinde Aschheim, Landkreis Muenchen
Registergericht Muenchen, HRB Nr. 43632
[-- Attachment #2: xen_libxl_svm.diff --]
[-- Type: text/plain, Size: 813 bytes --]
diff -r 4d28306d6e33 tools/libxl/libxl_cpuid.c
--- a/tools/libxl/libxl_cpuid.c Tue May 31 13:57:45 2011 +0100
+++ b/tools/libxl/libxl_cpuid.c Wed Jun 01 16:50:18 2011 +0200
@@ -178,6 +178,11 @@ int libxl_cpuid_parse_config(libxl_cpuid
{"procpkg", 0x00000004, 0, CPUID_REG_EAX, 26, 6},
{"apicidsize", 0x80000008, NA, CPUID_REG_ECX, 12, 4},
{"nc", 0x80000008, NA, CPUID_REG_ECX, 0, 8},
+ {"svm_npt", 0x8000000a, NA, CPUID_REG_EDX, 0, 1},
+ {"svm_lbrv", 0x8000000a, NA, CPUID_REG_EDX, 1, 1},
+ {"svm_nrips", 0x8000000a, NA, CPUID_REG_EDX, 3, 1},
+ {"svm_vmcbclean",0x8000000a, NA, CPUID_REG_EDX, 5, 1},
+ {"svm_pausefilt",0x8000000a, NA, CPUID_REG_EDX, 10, 1},
{NULL, 0, CPUID_REG_INV, 0, 0}
};
[-- Attachment #3: Type: text/plain, Size: 138 bytes --]
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^ permalink raw reply [flat|nested] 4+ messages in thread* Re: libxl: enable/disable SVM cpuid bits
2011-06-01 14:52 ` Christoph Egger
@ 2011-06-02 16:37 ` Ian Jackson
2011-06-02 19:22 ` Keir Fraser
0 siblings, 1 reply; 4+ messages in thread
From: Ian Jackson @ 2011-06-02 16:37 UTC (permalink / raw)
To: Christoph Egger; +Cc: xen-devel
Christoph Egger writes ("Re: [Xen-devel] libxl: enable/disable SVM cpuid bits"):
> On 06/01/11 16:21, Christoph Egger wrote:
> > Allow to enable/disable SVM cpuid bits in the guest config file.
> >
> > Signed-off-by: Christoph Egger<Christoph.Egger@amd.com>
> >
>
> Fixed oversight. nrips was wrong.
>
> Signed-off-by: Christoph Egger<Christoph.Egger@amd.com>
Does anyone else have any comments on this or shall I just apply it ?
Ian.
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: libxl: enable/disable SVM cpuid bits
2011-06-02 16:37 ` Ian Jackson
@ 2011-06-02 19:22 ` Keir Fraser
0 siblings, 0 replies; 4+ messages in thread
From: Keir Fraser @ 2011-06-02 19:22 UTC (permalink / raw)
To: Ian Jackson, Christoph Egger; +Cc: xen-devel
On 02/06/2011 17:37, "Ian Jackson" <Ian.Jackson@eu.citrix.com> wrote:
> Christoph Egger writes ("Re: [Xen-devel] libxl: enable/disable SVM cpuid
> bits"):
>> On 06/01/11 16:21, Christoph Egger wrote:
>>> Allow to enable/disable SVM cpuid bits in the guest config file.
>>>
>>> Signed-off-by: Christoph Egger<Christoph.Egger@amd.com>
>>>
>>
>> Fixed oversight. nrips was wrong.
>>
>> Signed-off-by: Christoph Egger<Christoph.Egger@amd.com>
>
> Does anyone else have any comments on this or shall I just apply it ?
I haven't checked the actual bit mappings are correct, but the principle is
fine and the patch should go in.
-- Keir
> Ian.
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel
^ permalink raw reply [flat|nested] 4+ messages in thread
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2011-06-01 14:21 libxl: enable/disable SVM cpuid bits Christoph Egger
2011-06-01 14:52 ` Christoph Egger
2011-06-02 16:37 ` Ian Jackson
2011-06-02 19:22 ` Keir Fraser
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