diff options
| author | Pavel Begunkov <asml.silence@gmail.com> | 2025-06-24 14:40:34 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-07-06 11:04:13 +0200 |
| commit | f16769241594be59387b56ab525e327f54377e60 (patch) | |
| tree | c31791314c14fed128b7a0f8ab4981aaef20d6b4 /tools/perf/scripts/python/gecko.py | |
| parent | 11e7b7369e655e6131387b174218d7fa9557b3da (diff) | |
io_uring/rsrc: don't rely on user vaddr alignment
commit 3a3c6d61577dbb23c09df3e21f6f9eda1ecd634b upstream.
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: stable@vger.kernel.org
Reported-by: David Hildenbrand <david@redhat.com>
Fixes: a8edbb424b139 ("io_uring/rsrc: enable multi-hugepage buffer coalescing")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/io-uring/e387b4c78b33f231105a601d84eefd8301f57954.1750771718.git.asml.silence@gmail.com/
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/perf/scripts/python/gecko.py')
0 files changed, 0 insertions, 0 deletions