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| author |  Jing Liu <jing2.liu@intel.com>
| 2022-01-05 04:35:27 -0800 |
|---|---|---|
| committer |  Paolo Bonzini <pbonzini@redhat.com>
| 2022-01-14 13:44:40 -0500 |
| commit | 690a757d610e50c2c3acd2e4bc3992cfc63feff2 (patch) | |
| tree | 5fb056588eb2cbba0f892545ee7ebc582399abcc /arch/x86/kernel/fpu | |
| parent | kvm: x86: Add XCR0 support for Intel AMX (diff) | |
| download | linux-690a757d610e50c2c3acd2e4bc3992cfc63feff2.tar.gz linux-690a757d610e50c2c3acd2e4bc3992cfc63feff2.tar.bz2 linux-690a757d610e50c2c3acd2e4bc3992cfc63feff2.zip | |
kvm: x86: Add CPUID support for Intel AMX
Extend CPUID emulation to support XFD, AMX_TILE, AMX_INT8 and
AMX_BF16. Adding those bits into kvm_cpu_caps finally activates all
previous logics in this series.
Hide XFD on 32bit host kernels. Otherwise it leads to a weird situation
where KVM tells userspace to migrate MSR_IA32_XFD and then rejects
attempts to read/write the MSR.
Signed-off-by: Jing Liu <jing2.liu@intel.com>
Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Message-Id: <20220105123532.12586-17-yang.zhong@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kernel/fpu')
0 files changed, 0 insertions, 0 deletions