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[Stable-8.2.2 49/60] i386/cpu: Clear FEAT_XSAVE_XSS_LO/HI leafs when CPU
From: |
Michael Tokarev |
Subject: |
[Stable-8.2.2 49/60] i386/cpu: Clear FEAT_XSAVE_XSS_LO/HI leafs when CPUID_EXT_XSAVE is not available |
Date: |
Wed, 21 Feb 2024 11:20:37 +0300 |
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>
(cherry picked from commit 81f5cad3858f27623b1b14467926032d229b76cc)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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;
}
--
2.39.2
- [Stable-8.2.2 33/60] hw/cxl: Pass CXLComponentState to cache_mem_ops, (continued)
- [Stable-8.2.2 33/60] hw/cxl: Pass CXLComponentState to cache_mem_ops, Michael Tokarev, 2024/02/21
- [Stable-8.2.2 50/60] i386/cpu: Mask with XCR0/XSS mask for FEAT_XSAVE_XCR0_HI and FEAT_XSAVE_XSS_HI leafs, Michael Tokarev, 2024/02/21
- [Stable-8.2.2 60/60] tests/qtest: Depend on dbus_display1_dep, Michael Tokarev, 2024/02/21
- [Stable-8.2.2 54/60] ui: reject extended clipboard message if not activated, Michael Tokarev, 2024/02/21
- [Stable-8.2.2 42/60] target/arm: Adjust and validate mtedesc sizem1, Michael Tokarev, 2024/02/21
- [Stable-8.2.2 31/60] cxl/cdat: Fix header sum value in CDAT checksum, Michael Tokarev, 2024/02/21
- [Stable-8.2.2 53/60] target/i386: Generate an illegal opcode exception on cmp instructions with lock prefix, Michael Tokarev, 2024/02/21
- [Stable-8.2.2 37/60] tests/acpi: Allow update of DSDT.cxl, Michael Tokarev, 2024/02/21
- [Stable-8.2.2 46/60] target/arm: Don't get MDCR_EL2 in pmu_counter_enabled() before checking ARM_FEATURE_PMU, Michael Tokarev, 2024/02/21
- [Stable-8.2.2 32/60] hw/cxl/device: read from register values in mdev_reg_read(), Michael Tokarev, 2024/02/21
- [Stable-8.2.2 49/60] i386/cpu: Clear FEAT_XSAVE_XSS_LO/HI leafs when CPUID_EXT_XSAVE is not available,
Michael Tokarev <=
- [Stable-8.2.2 43/60] target/arm: Split out make_svemte_desc, Michael Tokarev, 2024/02/21
- [Stable-8.2.2 41/60] target/arm: Fix nregs computation in do_{ld, st}_zpa, Michael Tokarev, 2024/02/21
- [Stable-8.2.2 44/60] target/arm: Handle mte in do_ldrq, do_ldro, Michael Tokarev, 2024/02/21
- [Stable-8.2.2 35/60] virtio_iommu: Clear IOMMUPciBus pointer cache when system reset, Michael Tokarev, 2024/02/21
- [Stable-8.2.2 55/60] ui/clipboard: mark type as not available when there is no data, Michael Tokarev, 2024/02/21
- [Stable-8.2.2 19/60] virtio-blk: avoid using ioeventfd state in irqfd conditional, Michael Tokarev, 2024/02/21
- [Stable-8.2.2 57/60] ui/console: Fix console resize with placeholder surface, Michael Tokarev, 2024/02/21
- [Stable-8.2.2 26/60] hw/net/tulip: add chip status register values, Michael Tokarev, 2024/02/21