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(parent: 750dde4) | patch
nvme-pci: remove cq check after submission
authorJens Axboe <[email protected]>
Thu, 17 May 2018 16:31:48 +0000 (18:31 +0200)
committerKeith Busch <[email protected]>
Fri, 18 May 2018 20:41:35 +0000 (14:41 -0600)
commitf9dde187fa921c12a8680089a77595b866e65455
treea40e74d40bacb150655d70035c490123fb94d1b9tree | snapshot
parent750dde4472e48eadf28221b7eb02d493db1bcfd0commit | diff
nvme-pci: remove cq check after submission

We always check the completion queue after submitting, but in my testing
this isn't a win even on DRAM/xpoint devices. In some cases it's
actually worse. Kill it.

Signed-off-by: Jens Axboe <[email protected]>
Signed-off-by: Keith Busch <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
drivers/nvme/host/pci.c diff | blob | history
John Crispins staging tree