On Thu, 2020-10-01 at 15:05 +0200, Vitaly Kuznetsov wrote: > As vcpu->arch.cpuid_entries is now allocated dynamically, the only > remaining use for KVM_MAX_CPUID_ENTRIES is to check KVM_SET_CPUID/ > KVM_SET_CPUID2 input for sanity. Since it was reported that the > current limit (80) is insufficient for some CPUs, bump > KVM_MAX_CPUID_ENTRIES and use an arbitrary value '256' as the new > limit. > > Signed-off-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx> > --- > arch/x86/include/asm/kvm_host.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h > index 7d259e21ea04..f6d6df64e63a 100644 > --- a/arch/x86/include/asm/kvm_host.h > +++ b/arch/x86/include/asm/kvm_host.h > @@ -133,7 +133,7 @@ static inline gfn_t gfn_to_index(gfn_t gfn, gfn_t base_gfn, int level) > #define KVM_NUM_MMU_PAGES (1 << KVM_MMU_HASH_SHIFT) > #define KVM_MIN_FREE_MMU_PAGES 5 > #define KVM_REFILL_PAGES 25 > -#define KVM_MAX_CPUID_ENTRIES 80 > +#define KVM_MAX_CPUID_ENTRIES 256 > #define KVM_NR_FIXED_MTRR_REGION 88 > #define KVM_NR_VAR_MTRR 8 > Reviewed-by: Maxim Levitsky <mlevitsk@xxxxxxxxxx> Best regards, Maxim Levitsky
