qemu-kvm/SOURCES/kvm-target-i386-cpu-set-correct-supported-XCR0-features-.patch

51 lines
2.0 KiB
Diff

From 9ed7a4e63c88a9b2afe51ffad36c12b174ad6e7a Mon Sep 17 00:00:00 2001
From: Paolo Bonzini <pbonzini@redhat.com>
Date: Thu, 31 Oct 2024 16:52:26 +0800
Subject: [PATCH 01/11] target/i386: cpu: set correct supported XCR0 features
for TCG
RH-Author: Paolo Bonzini <pbonzini@redhat.com>
RH-MergeRequest: 281: Add support for the AVX10.1, SHA512, SM3 and SM4 instruction sets.
RH-Jira: RHEL-30316 RHEL-45111
RH-Acked-by: Vitaly Kuznetsov <vkuznets@redhat.com>
RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
RH-Commit: [1/9] a27738f95f7c00915cd16288e469276a879f6bdf (bonzini/rhel-qemu-kvm)
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20241031085233.425388-2-tao1.su@linux.intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit 33098002a838a0450f243f5e17463aca700e923d)
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
target/i386/cpu.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index ed278dd4a1..cff7ae1c54 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -1297,7 +1297,9 @@ FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
.needs_ecx = true, .ecx = 0,
.reg = R_EAX,
},
- .tcg_features = ~0U,
+ .tcg_features = XSTATE_FP_MASK | XSTATE_SSE_MASK |
+ XSTATE_YMM_MASK | XSTATE_BNDREGS_MASK | XSTATE_BNDCSR_MASK |
+ XSTATE_PKRU_MASK,
.migratable_flags = XSTATE_FP_MASK | XSTATE_SSE_MASK |
XSTATE_YMM_MASK | XSTATE_BNDREGS_MASK | XSTATE_BNDCSR_MASK |
XSTATE_OPMASK_MASK | XSTATE_ZMM_Hi256_MASK | XSTATE_Hi16_ZMM_MASK |
@@ -1310,7 +1312,7 @@ FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
.needs_ecx = true, .ecx = 0,
.reg = R_EDX,
},
- .tcg_features = ~0U,
+ .tcg_features = 0U,
},
/*Below are MSR exposed features*/
[FEAT_ARCH_CAPABILITIES] = {
--
2.48.0