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| author |   Omar Sandoval <osandov@fb.com> | 2018-09-28 09:22:50 -0700 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2018-09-28 10:49:39 -0600 |
| commit | f0a0cdddb14c7a32e7ca68f45fbc44aa347e959d (patch) | |
| tree | 7ff5182cf80287cedc531edd29c6a9c96b3f96e1 /tools | |
| parent | virtio-blk: modernize sysfs attribute creation (diff) | |
| download | linux-dev-f0a0cdddb14c7a32e7ca68f45fbc44aa347e959d.tar.xz linux-dev-f0a0cdddb14c7a32e7ca68f45fbc44aa347e959d.zip | |
kyber: fix integer overflow of latency targets on 32-bit
NSEC_PER_SEC has type long, so 5 * NSEC_PER_SEC is calculated as a long.
However, 5 seconds is 5,000,000,000 nanoseconds, which overflows a
32-bit long. Make sure all of the targets are calculated as 64-bit
values.
Fixes: 6e25cb01ea20 ("kyber: implement improved heuristics")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'tools')
0 files changed, 0 insertions, 0 deletions