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| author |   Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> | 2020-05-05 12:47:08 +0530 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2020-05-05 21:20:13 +1000 |
| commit | fe4a6856cb4f4353a6cb8d3629bcfe9204e3d57d (patch) | |
| tree | 37caff45bf740f9658442199797cbb85f678111b /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | mm: change pmdp_huge_get_and_clear_full take vm_area_struct as arg (diff) | |
| download | wireguard-linux-fe4a6856cb4f4353a6cb8d3629bcfe9204e3d57d.tar.xz wireguard-linux-fe4a6856cb4f4353a6cb8d3629bcfe9204e3d57d.zip | |
powerpc/pkeys: Avoid using lockless page table walk
Fetch pkey from vma instead of linux page table. Also document the fact that in
some cases the pkey returned in siginfo won't be the same as the one we took
keyfault on. Even with linux page table walk, we can end up in a similar scenario.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200505071729.54912-2-aneesh.kumar@linux.ibm.com
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
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