From mboxrd@z Thu Jan 1 00:00:00 1970 From: benh@kernel.crashing.org (Benjamin Herrenschmidt) Date: Tue, 06 Aug 2019 15:26:38 +1000 Subject: [PATCH v3] nvme-pci: Support shared tags across queues for Apple 2018 controllers In-Reply-To: References: <20190730153044.GA13948@localhost.localdomain> <2030a028664a9af9e96fffca3ab352faf1f739e5.camel@kernel.crashing.org> <6290507e1b2830b1729fc858cd5c20b85d092728.camel@kernel.crashing.org> <20190805134907.GC18647@localhost.localdomain> <40a6acc2-beae-3e36-ca20-af5801038a1e@grimberg.me> Message-ID: On Mon, 2019-08-05@13:07 -0700, Sagi Grimberg wrote: > > > > > > Ping ? I had another look today and I don't feel like mucking around > > > > > > with all the AQ size logic, AEN magic tag etc... just for that sake of > > > > > > that Apple gunk. I'm happy to have it give up IO tags, it doesn't seem > > > > > > to make much of a difference in practice anyway. > > > > > > > > > > > > But if you feel strongly about it, then I'll implement the "proper" > > > > > > way > > > > > > sometimes this week, adding a way to shrink the AQ down to something > > > > > > like 3 (one admin request, one async event (AEN), and the empty slot) > > > > > > by making a bunch of the constants involved variables instead. > > > > > > > > > > I don't feel too strongly about it. I think your patch is fine, so > > > > > > > > > > Acked-by: Keith Busch > > > > > > > > Should we pick this up for 5.3-rc? > > > > > > No, it's not a regression fix. Queue it up for 5.4 instead. > > > > OK, will queue it up for nvme-5.4 > > Doesn't apply.. > > Ben, can you please respin a patch that applies on nvme-5.4? > > http://git.infradead.org/nvme.git/shortlog/refs/heads/nvme-5.4 Sure, will do in the next couple of days ! Cheers, Ben.