Re: [kvm-unit-tests PATCH v6 09/11] x86: Cleanup PT_*_MASK flags

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On Wed, May 04, 2016 at 02:19:50PM +0200, Andrew Jones wrote:
> > diff --git a/lib/x86/asm/page.h b/lib/x86/asm/page.h
> > index 916462d..8a30212 100644
> > --- a/lib/x86/asm/page.h
> > +++ b/lib/x86/asm/page.h
> > @@ -21,11 +21,14 @@
> >  #define LARGE_PAGE_SIZE	(1024 * PAGE_SIZE)
> >  #endif
> >  
> > -#define PTE_PRESENT	(1ull << 0)
> > -#define PTE_WRITE	(1ull << 1)
> > -#define PTE_USER	(1ull << 2)
> > -#define PTE_PSE		(1ull << 7)
> > -#define PTE_ADDR	(0xffffffffff000ull)
> > +#define PT_PRESENT_MASK		(1ull << 0)
> > +#define PT_WRITABLE_MASK	(1ull << 1)
> > +#define PT_USER_MASK		(1ull << 2)
> > +#define PT_ACCESSED_MASK	(1ull << 5)
> > +#define PT_DIRTY_MASK		(1ull << 6)
> 
> To be 100% consistent with arch/x86/kvm/mmu.h, I'd change
> 
> > +#define PT_PSE_MASK		(1ull << 7)
> 
> to PT_PAT_MASK and
> 
> > +#define PT_NX_MASK		(1ull << 63)
> 
> to PT64_NX_MASK
> 
> > +#define PT_ADDR_MASK		(0xffffffffff000ull)
> 
> And, this one (PT_ADDR_MASK) should just be deleted, as it's
> not used. Or, if somebody objects to deleting it, then it
> should be defined as GENMASK_ULL(52, 12) for better clarity.

Will redefine since lib/x86/vm.c does use it
> 
> These are just nits though, so
> 
> Reviewed-by: Andrew Jones <drjones@xxxxxxxxxx>
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