On Mon, Feb 27, 2023 at 04:45:47PM +0800, Robert Hoo wrote: >LAM feature is enumerated by (EAX=07H, ECX=01H):EAX.LAM[bit26]. Please add some high-level introduction about LAM. Maybe also call out that LAM's CR3 bits, CR4 bit and the modified canonicality check are virtualized already. As the last step, advertise LAM support to user space. > >Signed-off-by: Robert Hoo <robert.hu@xxxxxxxxxxxxxxx> >Reviewed-by: Jingqi Liu <jingqi.liu@xxxxxxxxx> >--- > arch/x86/kvm/cpuid.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > >diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c >index b14653b61470..79f45cbe587e 100644 >--- a/arch/x86/kvm/cpuid.c >+++ b/arch/x86/kvm/cpuid.c >@@ -664,7 +664,7 @@ void kvm_set_cpu_caps(void) > > kvm_cpu_cap_mask(CPUID_7_1_EAX, > F(AVX_VNNI) | F(AVX512_BF16) | F(CMPCCXADD) | F(AMX_FP16) | >- F(AVX_IFMA) >+ F(AVX_IFMA) | F(LAM) > ); > > kvm_cpu_cap_init_kvm_defined(CPUID_7_1_EDX, >-- >2.31.1 >
