diff options
| author | Pu Wen <puwen@hygon.cn> | 2018-09-23 17:36:31 +0800 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2018-09-27 18:28:59 +0200 |
| commit | b8f4abb652146ddde04ab6e2a80e8cde27ff4470 (patch) | |
| tree | 68c98cc0699b7d4099205c1ba414fb34183aa79d /arch/x86/kvm/emulate.c | |
| parent | ac78bd72355d0da64c073c12927264d4ff19b886 (diff) | |
| download | linux-b8f4abb652146ddde04ab6e2a80e8cde27ff4470.tar.bz2 | |
x86/kvm: Add Hygon Dhyana support to KVM
The Hygon Dhyana CPU has the SVM feature as AMD family 17h does.
So enable the KVM infrastructure support to it.
Signed-off-by: Pu Wen <puwen@hygon.cn>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Borislav Petkov <bp@suse.de>
Cc: pbonzini@redhat.com
Cc: rkrcmar@redhat.com
Cc: tglx@linutronix.de
Cc: mingo@redhat.com
Cc: hpa@zytor.com
Cc: x86@kernel.org
Cc: thomas.lendacky@amd.com
Cc: kvm@vger.kernel.org
Link: https://lkml.kernel.org/r/654dd12876149fba9561698eaf9fc15d030301f8.1537533369.git.puwen@hygon.cn
Diffstat (limited to 'arch/x86/kvm/emulate.c')
| -rw-r--r-- | arch/x86/kvm/emulate.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 106482da6388..34edf198708f 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -2711,7 +2711,16 @@ static bool em_syscall_is_enabled(struct x86_emulate_ctxt *ctxt) edx == X86EMUL_CPUID_VENDOR_AMDisbetterI_edx) return true; - /* default: (not Intel, not AMD), apply Intel's stricter rules... */ + /* Hygon ("HygonGenuine") */ + if (ebx == X86EMUL_CPUID_VENDOR_HygonGenuine_ebx && + ecx == X86EMUL_CPUID_VENDOR_HygonGenuine_ecx && + edx == X86EMUL_CPUID_VENDOR_HygonGenuine_edx) + return true; + + /* + * default: (not Intel, not AMD, not Hygon), apply Intel's + * stricter rules... + */ return false; } |