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author | Jens Axboe | 2014-11-24 23:02:42 +0100 |
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committer | Jens Axboe | 2014-11-24 23:02:42 +0100 |
commit | a33c1ba2913802b6fb23e974bb2f6a4e73c8b7ce (patch) | |
tree | f1dbb27e9804ed4f8368e4eb0169b7325ec0792f /block/blk-mq-tag.c | |
parent | blk: introduce generic io stat accounting help function (diff) | |
download | kernel-qcow2-linux-a33c1ba2913802b6fb23e974bb2f6a4e73c8b7ce.tar.gz kernel-qcow2-linux-a33c1ba2913802b6fb23e974bb2f6a4e73c8b7ce.tar.xz kernel-qcow2-linux-a33c1ba2913802b6fb23e974bb2f6a4e73c8b7ce.zip |
blk-mq: use 'nr_cpu_ids' as highest CPU ID count for hwq <-> cpu map
We currently use num_possible_cpus(), but that breaks on sparc64 where
the CPU ID space is discontig. Use nr_cpu_ids as the highest CPU ID
instead, so we don't end up reading from invalid memory.
Cc: stable@kernel.org # 3.13+
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/blk-mq-tag.c')
0 files changed, 0 insertions, 0 deletions