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| author | Kevin Hao <[email protected]> | 2019-10-18 02:53:14 +0000 |
|---|---|---|
| committer | Keith Busch <[email protected]> | 2019-10-18 14:09:41 +0000 |
| commit | a4f40484e7f1dff56bb9f286cc59ffa36e0259eb (patch) | |
| tree | 5acd12c4cc9d9ce326cc62bf9d75afe8ac0d0719 /tools/perf/scripts/python/failed-syscalls-by-pid.py | |
| parent | nvme-tcp: fix possible leakage during error flow (diff) | |
| download | kernel-a4f40484e7f1dff56bb9f286cc59ffa36e0259eb.tar.gz kernel-a4f40484e7f1dff56bb9f286cc59ffa36e0259eb.zip | |
nvme-pci: Set the prp2 correctly when using more than 4k page
In the current code, the nvme is using a fixed 4k PRP entry size,
but if the kernel use a page size which is more than 4k, we should
consider the situation that the bv_offset may be larger than the
dev->ctrl.page_size. Otherwise we may miss setting the prp2 and then
cause the command can't be executed correctly.
Fixes: dff824b2aadb ("nvme-pci: optimize mapping of small single segment requests")
Cc: [email protected]
Reviewed-by: Christoph Hellwig <[email protected]>
Signed-off-by: Kevin Hao <[email protected]>
Signed-off-by: Keith Busch <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/failed-syscalls-by-pid.py')
0 files changed, 0 insertions, 0 deletions