Re: [PATCHv5 07/19] x86/mm: Mask out KeyID bits from page table entry pfn

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On Wed, Jul 18, 2018 at 04:13:20PM -0700, Dave Hansen wrote:
> On 07/17/2018 04:20 AM, Kirill A. Shutemov wrote:
> > +	} else {
> > +		/*
> > +		 * Reset __PHYSICAL_MASK.
> > +		 * Maybe needed if there's inconsistent configuation
> > +		 * between CPUs.
> > +		 */
> > +		physical_mask = (1ULL << __PHYSICAL_MASK_SHIFT) - 1;
> > +	}
> 
> This seems like an appropriate place for a WARN_ON().  Either that, or
> axe this code.

There's pr_err_once() above in the function.

-- 
 Kirill A. Shutemov




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