[libvirt PATCH v2 03/24] cpu: make x86 feature alias names machine readable
Daniel P. Berrangé
berrange at redhat.com
Mon Oct 31 09:38:13 UTC 2022
On Fri, Oct 28, 2022 at 05:06:34PM +0200, Tim Wiederhake wrote:
> Signed-off-by: Tim Wiederhake <twiederh at redhat.com>
> Reviewed-by: Jiri Denemark <jdenemar at redhat.com>
> ---
> src/cpu_map/x86_features.xml | 55 +++++++++++++++++++++++++-----------
> 1 file changed, 38 insertions(+), 17 deletions(-)
>
> diff --git a/src/cpu_map/x86_features.xml b/src/cpu_map/x86_features.xml
> index 4cf3ff0804..90d0f43fc6 100644
> --- a/src/cpu_map/x86_features.xml
> +++ b/src/cpu_map/x86_features.xml
> @@ -98,10 +98,12 @@
> </feature>
>
> <!-- standard features, ECX -->
> - <feature name='pni'> <!-- sse3 -->
> + <feature name='pni'>
> + <alias name='sse3'/>
IMHO, we should distinguish this as internal data via a NS to
re-inforce to our future selves that its only used when syncing
data from QEMU.
<qemu:alias nmame="sse3"/>
And add xmlns:qemu="https://libvirt.org/cpufeature/qemu/1.0" on
the top level.
> <cpuid eax_in='0x01' ecx='0x00000001'/>
> </feature>
> - <feature name='pclmuldq'> <!-- pclmulqdq -->
> + <feature name='pclmuldq'>
> + <alias name='pclmulqdq'/>
> <cpuid eax_in='0x01' ecx='0x00000002'/>
> </feature>
> <feature name='dtes64'>
> @@ -110,7 +112,8 @@
> <feature name='monitor'>
> <cpuid eax_in='0x01' ecx='0x00000008'/>
> </feature>
> - <feature name='ds_cpl'> <!-- ds-cpl -->
> + <feature name='ds_cpl'>
> + <alias name='ds-cpl'/>
> <cpuid eax_in='0x01' ecx='0x00000010'/>
> </feature>
> <feature name='vmx'>
> @@ -149,10 +152,14 @@
> <feature name='dca'>
> <cpuid eax_in='0x01' ecx='0x00040000'/>
> </feature>
> - <feature name='sse4.1'> <!-- sse4-1, sse4_1 -->
> + <feature name='sse4.1'>
> + <alias name='sse4-1'/>
> + <alias name='sse4_1'/>
> <cpuid eax_in='0x01' ecx='0x00080000'/>
> </feature>
> - <feature name='sse4.2'> <!-- sse4-2, sse4_2 -->
> + <feature name='sse4.2'>
> + <alias name='sse4-2'/>
> + <alias name='sse4_2'/>
> <cpuid eax_in='0x01' ecx='0x00100000'/>
> </feature>
> <feature name='x2apic'>
> @@ -198,7 +205,8 @@
> <feature name='fsgsbase'>
> <cpuid eax_in='0x07' ecx_in='0x00' ebx='0x00000001'/>
> </feature>
> - <feature name='tsc_adjust'> <!-- tsc-adjust -->
> + <feature name='tsc_adjust'>
> + <alias name='tsc-adjust'/>
> <cpuid eax_in='0x07' ecx_in='0x00' ebx='0x00000002'/>
> </feature>
> <feature name='bmi1'>
> @@ -225,7 +233,8 @@
> <feature name='rtm'>
> <cpuid eax_in='0x07' ecx_in='0x00' ebx='0x00000800'/>
> </feature>
> - <feature name='cmt'> <!-- cqm -->
> + <feature name='cmt'>
> + <alias name='cqm'/>
> <cpuid eax_in='0x07' ecx_in='0x00' ebx='0x00001000'/>
> </feature>
> <feature name='mpx'>
> @@ -341,7 +350,8 @@
> <feature name='fsrm'>
> <cpuid eax_in='0x07' ecx_in='0x00' edx='0x00000010'/>
> </feature>
> - <feature name='md-clear'> <!-- md_clear -->
> + <feature name='md-clear'>
> + <alias name='md_clear'/>
> <cpuid eax_in='0x07' ecx_in='0x00' edx='0x00000400'/>
> </feature>
> <feature name='pconfig'>
> @@ -353,7 +363,9 @@
> <feature name='stibp'>
> <cpuid eax_in='0x07' ecx_in='0x00' edx='0x08000000'/>
> </feature>
> - <feature name='arch-capabilities'> <!-- arch_capabilities, arch-facilities -->
> + <feature name='arch-capabilities'>
> + <alias name='arch_capabilities'/>
> + <alias name='arch-facilities'/>
> <cpuid eax_in='0x07' ecx_in='0x00' edx='0x20000000'/>
> </feature>
> <feature name='core-capability'>
> @@ -396,13 +408,16 @@
> <feature name='syscall'>
> <cpuid eax_in='0x80000001' edx='0x00000800'/>
> </feature>
> - <feature name='nx'> <!-- xd -->
> + <feature name='nx'>
> + <alias name='xd'/>
> <cpuid eax_in='0x80000001' edx='0x00100000'/>
> </feature>
> <feature name='mmxext'>
> <cpuid eax_in='0x80000001' edx='0x00400000'/>
> </feature>
> - <feature name='fxsr_opt'> <!-- ffxsr, fxsr-opt -->
> + <feature name='fxsr_opt'>
> + <alias name='ffxsr'/>
> + <alias name='fxsr-opt'/>
> <cpuid eax_in='0x80000001' edx='0x02000000'/>
> </feature>
> <feature name='pdpe1gb'>
> @@ -411,7 +426,8 @@
> <feature name='rdtscp'>
> <cpuid eax_in='0x80000001' edx='0x08000000'/>
> </feature>
> - <feature name='lm'> <!-- i64 -->
> + <feature name='lm'>
> + <alias name='i64'/>
> <cpuid eax_in='0x80000001' edx='0x20000000'/>
> </feature>
> <feature name='3dnowext'>
> @@ -422,10 +438,12 @@
> </feature>
>
> <!-- extended features, ECX -->
> - <feature name='lahf_lm'> <!-- lahf-lm -->
> + <feature name='lahf_lm'>
> + <alias name='lahf-lm'/>
> <cpuid eax_in='0x80000001' ecx='0x00000001'/>
> </feature>
> - <feature name='cmp_legacy'> <!-- cmp-legacy -->
> + <feature name='cmp_legacy'>
> + <alias name='cmp-legacy'/>
> <cpuid eax_in='0x80000001' ecx='0x00000002'/>
> </feature>
> <feature name='svm'>
> @@ -476,7 +494,8 @@
> <feature name='cvt16'>
> <cpuid eax_in='0x80000001' ecx='0x00040000'/>
> </feature>
> - <feature name='nodeid_msr'> <!-- nodeid-msr -->
> + <feature name='nodeid_msr'>
> + <alias name='nodeid-msr'/>
> <cpuid eax_in='0x80000001' ecx='0x00080000'/>
> </feature>
> <feature name='tbm'>
> @@ -485,10 +504,12 @@
> <feature name='topoext'>
> <cpuid eax_in='0x80000001' ecx='0x00400000'/>
> </feature>
> - <feature name='perfctr_core'> <!-- perfctr-core -->
> + <feature name='perfctr_core'>
> + <alias name='perfctr-core'/>
> <cpuid eax_in='0x80000001' ecx='0x00800000'/>
> </feature>
> - <feature name='perfctr_nb'> <!-- perfctr-nb -->
> + <feature name='perfctr_nb'>
> + <alias name='perfctr-nb'/>
> <cpuid eax_in='0x80000001' ecx='0x01000000'/>
> </feature>
>
> --
> 2.36.1
>
With regards,
Daniel
--
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