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| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2024-07-02 16:51:30 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-07-13 01:52:18 +0300 |
| commit | 276d5affbbaea4d369d1e5b9711cb2951037f6ee (patch) | |
| tree | 15cf13dbe083b480a55a4cd011dc63270aa44845 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | 84319905ca5f3759c42082e20ed978c81f4dead0 (diff) | |
| download | linux-276d5affbbaea4d369d1e5b9711cb2951037f6ee.tar.xz | |
powerpc/e500: don't pre-check write access on data TLB error
Don't pre-check write access on read-only pages on data TLB error.
Load the TLB anyway and take a DSI exception when it happens. This avoids
reading SPRN_ESR at every data TLB error exception.
Link: https://lkml.kernel.org/r/8525518e1657d6032b7e980c1888102828d66950.1719928057.git.christophe.leroy@csgroup.eu
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Jason Gunthorpe <jgg@nvidia.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Peter Xu <peterx@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions