Re: [RFC PATCH 10/13] x86/mm: Add NR page bit for KVM XO

On 03/10/19 23:23, Rick Edgecombe wrote: > +/* KVM based not-readable: only valid after cpuid check */ > +#define _PAGE_BIT_NR (__pgtable_kvmxo_bit) > +#else /* defined(CONFIG_KVM_XO) && !defined(__ASSEMBLY__) */ > +#define _PAGE_BIT_NR 0 > +#endif /* defined(CONFIG_KVM_XO) && !defi

[RFC PATCH 10/13] x86/mm: Add NR page bit for KVM XO

Add _PAGE_BIT_NR and _PAGE_NR, the values of which are determined dynamically at boot. This page type is only valid after checking for for the KVM XO CPUID bit. Signed-off-by: Rick Edgecombe --- arch/x86/include/asm/pgtable_types.h | 11 +++ arch/x86/mm/init.c | 3 +++