| Date | Thu, 24 Mar 2022 07:16:50 +0100 | From | Christoph Hellwig <> | Subject | Re: [PATCH 7/9] nvme-apple: Serialize command issue |
| |
On Mon, Mar 21, 2022 at 05:50:47PM +0100, Sven Peter wrote: > From: Jens Axboe <axboe@kernel.dk> > > This controller shouldn't need serialization of command issue since > the SQ is replaced by a simple array and commands are issued by writing > the array index to a MMIO register. > Without serialization however sometimes commands are still executed > correctly and appear in the CQ but never trigger an interrupt. > > Signed-off-by: Jens Axboe <axboe@kernel.dk> > [sven: added our best guess why this needs to be done] > Signed-off-by: Sven Peter <sven@svenpeter.dev>
This really should go into the previous patch.
|