diff options
| author | Pavel Begunkov <[email protected]> | 2025-06-24 13:40:34 +0000 |
|---|---|---|
| committer | Jens Axboe <[email protected]> | 2025-06-25 02:50:59 +0000 |
| commit | 3a3c6d61577dbb23c09df3e21f6f9eda1ecd634b (patch) | |
| tree | a06519191c7d9638f3f55a46f9f57dc9eac58df8 /rust/helpers/cpu.c | |
| parent | io_uring/rsrc: fix folio unpinning (diff) | |
| download | kernel-3a3c6d61577dbb23c09df3e21f6f9eda1ecd634b.tar.gz kernel-3a3c6d61577dbb23c09df3e21f6f9eda1ecd634b.zip | |
io_uring/rsrc: don't rely on user vaddr alignment
There is no guaranteed alignment for user pointers, however the
calculation of an offset of the first page into a folio after coalescing
uses some weird bit mask logic, get rid of it.
Cc: [email protected]
Reported-by: David Hildenbrand <[email protected]>
Fixes: a8edbb424b139 ("io_uring/rsrc: enable multi-hugepage buffer coalescing")
Signed-off-by: Pavel Begunkov <[email protected]>
Link: https://lore.kernel.org/io-uring/e387b4c78b33f231105a601d84eefd8301f57954.1750771718.git.asml.silence@gmail.com/
Signed-off-by: Jens Axboe <[email protected]>
Diffstat (limited to 'rust/helpers/cpu.c')
0 files changed, 0 insertions, 0 deletions