RDMA/rxe: Break endless pagefault loop for RO pages

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RO pages has "perm" equal to 0, that caused to the situation
where such pages were marked as needed to have fault and caused
to infinite loop.

Fixes: eedd5b1276 ("RDMA/umem: Store ODP access mask information in PFN")
Reported-by: Daisuke Matsuda <dskmtsd@gmail.com>
Closes: https://lore.kernel.org/all/3016329a-4edd-4550-862f-b298a1b79a39@gmail.com/
Link: https://patch.msgid.link/096fab178d48ed86942ee22eafe9be98e29092aa.1747913377.git.leonro@nvidia.com
Tested-by: Daisuke Matsuda <dskmtsd@gmail.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>

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Leon Romanovsky 2025-05-22 14:36:18 +03:00 • committed by Leon Romanovsky

parent 990b5c07f6

commit 0b261d7c1c

1 changed files with 5 additions and 9 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

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drivers/infiniband/sw/rxe/rxe_odp.c

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