linux-kernel - Re: [PATCH 0/5] nvme APST fixes/improvements for 4.11

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Message-ID: <20170420051933.GA10985@lst.de>
Date:   Thu, 20 Apr 2017 07:19:33 +0200
From:   Christoph Hellwig <hch@....de>
To:     Andy Lutomirski <luto@...capital.net>
Cc:     Andy Lutomirski <luto@...nel.org>, Jens Axboe <axboe@...nel.dk>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Kai-Heng Feng <kai.heng.feng@...onical.com>,
        linux-nvme <linux-nvme@...ts.infradead.org>,
        Christoph Hellwig <hch@....de>,
        Sagi Grimberg <sagi@...mberg.me>,
        Keith Busch <keith.busch@...el.com>
Subject: Re: [PATCH 0/5] nvme APST fixes/improvements for 4.11

On Wed, Apr 19, 2017 at 09:52:17PM -0700, Andy Lutomirski wrote:
> > I can make it so that force_apst=0 means no APST and force_apst=1 mean
> > yes APST and we could try again with a quirk list for 4.12.  There's a
> > decent chance that a few more weeks with Ubuntu having APST on will
> > shake out all the problems fairly quickly.
> 
> Here's a more concrete and more sensible proposal:

Can we just have force_apst=on to force it on, force_apst=off to turn
it off, and leave it with that?  And yes, I mean the strings instead
of the weird numbers.