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File _service:tar_scm:i386-cpu-Clear-FEAT_XSAVE_XSS_LO-HI-leafs-when-CPUID.patch of Package qemu
From c952c9acfab98a83122b4e6d406f4a7a0dfe871f Mon Sep 17 00:00:00 2001 From: Xiaoyao Li <xiaoyao.li@intel.com> Date: Mon, 15 Jan 2024 04:13:24 -0500 Subject: [PATCH] i386/cpu: Clear FEAT_XSAVE_XSS_LO/HI leafs when CPUID_EXT_XSAVE is not available commit 81f5cad3858f27623b1b14467926032d229b76cc upstream. 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> Signed-off-by: Jason Zeng <jason.zeng@intel.com> --- target/i386/cpu.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index cd16cb893d..8b9ef218d3 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; } -- 2.27.0
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