diff mbox series

[PULL,01/17] i386/cpu: Clear FEAT_XSAVE_XSS_LO/HI leafs when CPUID_EXT_XSAVE is not available

Message ID 20240220080558.365903-2-pbonzini@redhat.com (mailing list archive)
State New, archived
Headers show
Series [PULL,01/17] i386/cpu: Clear FEAT_XSAVE_XSS_LO/HI leafs when CPUID_EXT_XSAVE is not available | expand

Commit Message

Paolo Bonzini Feb. 20, 2024, 8:05 a.m. UTC 
From: Xiaoyao Li <xiaoyao.li@intel.com>

Leaf FEAT_XSAVE_XSS_LO and FEAT_XSAVE_XSS_HI also need to be cleared
when CPUID_EXT_XSAVE is not set.

Fixes: 301e90675c3f ("target/i386: Enable support for XSAVES based features")
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Yang Weijiang <weijiang.yang@intel.com>
Message-ID: <20240115091325.1904229-2-xiaoyao.li@intel.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 target/i386/cpu.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 0cd32a6fce3..800caeb593b 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -6927,6 +6927,8 @@  static void x86_cpu_enable_xsave_components(X86CPU *cpu)
     if (!(env->features[FEAT_1_ECX] & CPUID_EXT_XSAVE)) {
         env->features[FEAT_XSAVE_XCR0_LO] = 0;
         env->features[FEAT_XSAVE_XCR0_HI] = 0;
+        env->features[FEAT_XSAVE_XSS_LO] = 0;
+        env->features[FEAT_XSAVE_XSS_HI] = 0;
         return;
     }