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| author | Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> | 2020-10-15 20:04:46 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-10-16 11:11:14 -0700 |
| commit | c3824e18d3f3946015ac641d46fdeeefd30bfd66 (patch) | |
| tree | 13fccb3d384a0c417348a02c6344eedbb00c31cb /mm/migrate.c | |
| parent | 4200605b1f80e4644a5cb5abc708bccfb6def11a (diff) | |
| download | lwn-c3824e18d3f3946015ac641d46fdeeefd30bfd66.tar.gz lwn-c3824e18d3f3946015ac641d46fdeeefd30bfd66.zip | |
mm/debug_vm_pgtable/set_pte/pmd/pud: don't use set_*_at to update an existing pte entry
set_pte_at() should not be used to set a pte entry at locations that
already holds a valid pte entry. Architectures like ppc64 don't do TLB
invalidate in set_pte_at() and hence expect it to be used to set locations
that are not a valid PTE.
Link: https://lkml.kernel.org/r/20200902114222.181353-8-aneesh.kumar@linux.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/migrate.c')
0 files changed, 0 insertions, 0 deletions