[pve-devel] [PATCH docs] qm: cpu types: list that Haswell supports x86-64-v3 ABI

[pve-devel] [PATCH docs] qm: cpu types: list that Haswell supports x86-64-v3 ABI

[Fiona Ebner]

As reported in the community forum [0] and mentioned in the QEMU
documentation [1], Haswell already supports the x86-64-v3 ABI. This
can also be seen in the QEMU source code [2] by checking that the
necessary flags are supported for the QEMU Haswell models.

[0]: https://forum.proxmox.com/threads/166061/post-770368
[1]: https://qemu-project.gitlab.io/qemu/system/qemu-cpu-models.html#id1
[2]: in target/i386/cpu.c:
> .name = "Haswell",
> .level = 0xd,
> .vendor = CPUID_VENDOR_INTEL,
> .family = 6,
> .model = 60,
> .stepping = 4,
> .features[FEAT_1_EDX] =
>     CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
>     CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
>     CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
>     CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
>     CPUID_DE | CPUID_FP87,
> .features[FEAT_1_ECX] =
>     CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
>     CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
>     CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
>     CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
>     CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
>     CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
> .features[FEAT_8000_0001_EDX] =
>     CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
>     CPUID_EXT2_SYSCALL,
> .features[FEAT_8000_0001_ECX] =
>     CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM,
> .features[FEAT_7_0_EBX] =
>     CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
>     CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
>     CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
>     CPUID_7_0_EBX_RTM,

Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
---
 qm.adoc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/qm.adoc b/qm.adoc
index 8b9e096..5cdb374 100644
--- a/qm.adoc
+++ b/qm.adoc
@@ -515,7 +515,7 @@ Added CPU flags compared to 'x86-64-v1': '+cx16', '+lahf-lm', '+popcnt', '+pni',
 * 'x86-64-v2-AES': Compatible with Intel CPU >= Westmere, AMD CPU >= Opteron_G4.
 Added CPU flags compared to 'x86-64-v2': '+aes'.
 +
-* 'x86-64-v3': Compatible with Intel CPU >= Broadwell, AMD CPU >= EPYC. Added
+* 'x86-64-v3': Compatible with Intel CPU >= Haswell, AMD CPU >= EPYC. Added
 CPU flags compared to 'x86-64-v2-AES': '+avx', '+avx2', '+bmi1', '+bmi2',
 '+f16c', '+fma', '+movbe', '+xsave'.
 +
-- 
2.39.5



_______________________________________________
pve-devel mailing list
pve-devel@lists.proxmox.com
https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel

[pve-devel] applied: [PATCH docs] qm: cpu types: list that Haswell supports x86-64-v3 ABI

[Thomas Lamprecht]

On Tue, 13 May 2025 10:01:08 +0200, Fiona Ebner wrote:
> As reported in the community forum [0] and mentioned in the QEMU
> documentation [1], Haswell already supports the x86-64-v3 ABI. This
> can also be seen in the QEMU source code [2] by checking that the
> necessary flags are supported for the QEMU Haswell models.
> 
> [0]: https://forum.proxmox.com/threads/166061/post-770368
> [1]: https://qemu-project.gitlab.io/qemu/system/qemu-cpu-models.html#id1
> [2]: in target/i386/cpu.c:
> > .name = "Haswell",
> > .level = 0xd,
> > .vendor = CPUID_VENDOR_INTEL,
> > .family = 6,
> > .model = 60,
> > .stepping = 4,
> > .features[FEAT_1_EDX] =
> >     CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
> >     CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
> >     CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
> >     CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
> >     CPUID_DE | CPUID_FP87,
> > .features[FEAT_1_ECX] =
> >     CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
> >     CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
> >     CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
> >     CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
> >     CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
> >     CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
> > .features[FEAT_8000_0001_EDX] =
> >     CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
> >     CPUID_EXT2_SYSCALL,
> > .features[FEAT_8000_0001_ECX] =
> >     CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM,
> > .features[FEAT_7_0_EBX] =
> >     CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
> >     CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
> >     CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
> >     CPUID_7_0_EBX_RTM,
> 
> [...]

Applied, thanks!

[1/1] qm: cpu types: list that Haswell supports x86-64-v3 ABI
      commit: 838ad7efee0039d878452ff953b10f69431a3799


_______________________________________________
pve-devel mailing list
pve-devel@lists.proxmox.com
https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel