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Groups > linux.kernel > #1580477
| From | Michael Ellerman <mpe@ellerman.id.au> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 2/2] powerpc/mm/autonuma: Switch ppc64 to its own implementeation of saved write |
| Date | 2017-02-14 12:10 +0100 |
| Message-ID | <taJ9D-186-5@gated-at.bofh.it> (permalink) |
| References | <t8Nr4-BF-13@gated-at.bofh.it> <t8QIh-2yx-1@gated-at.bofh.it> <taCrw-4Mc-11@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Michael Neuling <mikey@neuling.org> writes: > On Thu, 2017-02-09 at 08:30 +0530, Aneesh Kumar K.V wrote: >> With this our protnone becomes a present pte with READ/WRITE/EXEC bit cleared. >> By default we also set _PAGE_PRIVILEGED on such pte. This is now used to help >> us identify a protnone pte that as saved write bit. For such pte, we will >> clear >> the _PAGE_PRIVILEGED bit. The pte still remain non-accessible from both user >> and kernel. >> >> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> > > > FWIW I've tested this, so: > > Acked-By: Michael Neuling <mikey@neuling.org> In future if you've tested something then "Tested-by:" is the right tag to use. cheers
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[PATCH 1/2] mm/autonuma: Let architecture override how the write bit should be stashed in a protnone pte. "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com> - 2017-02-09 07:00 +0100
[PATCH 2/2] powerpc/mm/autonuma: Switch ppc64 to its own implementeation of saved write "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com> - 2017-02-09 07:50 +0100
Re: [PATCH 2/2] powerpc/mm/autonuma: Switch ppc64 to its own implementeation of saved write Michael Neuling <mikey@neuling.org> - 2017-02-14 05:00 +0100
Re: [PATCH 2/2] powerpc/mm/autonuma: Switch ppc64 to its own implementeation of saved write Michael Ellerman <mpe@ellerman.id.au> - 2017-02-14 12:10 +0100
Re: [PATCH 2/2] powerpc/mm/autonuma: Switch ppc64 to its own implementeation of saved write Andrew Morton <akpm@linux-foundation.org> - 2017-02-15 22:50 +0100
Re: [PATCH 2/2] powerpc/mm/autonuma: Switch ppc64 to its own implementeation of saved write "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com> - 2017-02-16 03:20 +0100
Re: [PATCH 1/2] mm/autonuma: Let architecture override how the write bit should be stashed in a protnone pte. Michael Neuling <mikey@neuling.org> - 2017-02-14 05:00 +0100
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