Re: [Xen-devel] [PATCH] xen/x86: use 64 bit mask when masking away mfn bits

2017-03-29 Thread George Dunlap
On 24/03/17 08:50, Juergen Gross wrote: > When using _PAGE_PSE_PAT as base for a negated bit mask make sure it is > propagated to 64 bits when applied to a 64 bit value. > > There seems to be only one place where this is a problem, so fix this > by casting _PAGE_PSE_PAT to 64 bits there. > > Not

Re: [Xen-devel] [PATCH] xen/x86: use 64 bit mask when masking away mfn bits

2017-03-24 Thread Jan Beulich
>>> On 24.03.17 at 09:50, wrote: > When using _PAGE_PSE_PAT as base for a negated bit mask make sure it is > propagated to 64 bits when applied to a 64 bit value. > > There seems to be only one place where this is a problem, so fix this > by casting _PAGE_PSE_PAT to 64 bits there. > > Not doing