diff options
| author | Ingo Molnar <mingo@kernel.org> | 2019-02-28 07:50:39 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-02-28 07:50:39 +0100 |
| commit | 0614621d89c43ea5b28456c2baf6b0c0e00ca81e (patch) | |
| tree | 2dff833e972bdb65d30cb317985a0d41d2c40f0e /arch/x86/kvm/cpuid.c | |
| parent | 0cf264b3133dce56a60ca8b4335d1f76fe26870a (diff) | |
| parent | 7d762d69145a54d169f58e56d6dac57a5508debc (diff) | |
| download | linux-0614621d89c43ea5b28456c2baf6b0c0e00ca81e.tar.bz2 | |
Merge branch 'linus' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kvm/cpuid.c')
| -rw-r--r-- | arch/x86/kvm/cpuid.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index bbffa6c54697..c07958b59f50 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -335,6 +335,7 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function, unsigned f_xsaves = kvm_x86_ops->xsaves_supported() ? F(XSAVES) : 0; unsigned f_umip = kvm_x86_ops->umip_emulated() ? F(UMIP) : 0; unsigned f_intel_pt = kvm_x86_ops->pt_supported() ? F(INTEL_PT) : 0; + unsigned f_la57 = 0; /* cpuid 1.edx */ const u32 kvm_cpuid_1_edx_x86_features = @@ -489,7 +490,10 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function, // TSC_ADJUST is emulated entry->ebx |= F(TSC_ADJUST); entry->ecx &= kvm_cpuid_7_0_ecx_x86_features; + f_la57 = entry->ecx & F(LA57); cpuid_mask(&entry->ecx, CPUID_7_ECX); + /* Set LA57 based on hardware capability. */ + entry->ecx |= f_la57; entry->ecx |= f_umip; /* PKU is not yet implemented for shadow paging. */ if (!tdp_enabled || !boot_cpu_has(X86_FEATURE_OSPKE)) |