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From: Andy Lutomirski <luto@kernel.org>
To: Jens Axboe <axboe@kernel.dk>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Kai-Heng Feng <kai.heng.feng@canonical.com>,
	linux-nvme@lists.infradead.org, Christoph Hellwig <hch@lst.de>,
	Sagi Grimberg <sagi@grimberg.me>,
	Keith Busch <keith.busch@intel.com>,
	Andy Lutomirski <luto@kernel.org>
Subject: [PATCH 1/5] nvme: Fix APST comment
Date: Wed, 19 Apr 2017 20:02:14 -0700	[thread overview]
Message-ID: <73505aedab12236d4d54add4db0b5c0d27905d8c.1492656278.git.luto@kernel.org> (raw)
In-Reply-To: <cover.1492656278.git.luto@kernel.org>
In-Reply-To: <cover.1492656278.git.luto@kernel.org>

There was a typo in the description of the timeout heuristic.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
---
 drivers/nvme/host/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 9583a5f58a1d..4fc58866640e 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -1267,7 +1267,7 @@ static void nvme_configure_apst(struct nvme_ctrl *ctrl)
 	 * heuristic: we are willing to spend at most 2% of the time
 	 * transitioning between power states.  Therefore, when running
 	 * in any given state, we will enter the next lower-power
-	 * non-operational state after waiting 100 * (enlat + exlat)
+	 * non-operational state after waiting 50 * (enlat + exlat)
 	 * microseconds, as long as that state's total latency is under
 	 * the requested maximum latency.
 	 *
-- 
2.9.3

  reply	other threads:[~2017-04-20  3:02 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-20  3:02 [PATCH 0/5] nvme APST fixes/improvements for 4.11 Andy Lutomirski
2017-04-20  3:02 ` Andy Lutomirski [this message]
2017-04-20  3:02 ` [PATCH 2/5] nvme: Display raw APST configuration via DYNAMIC_DEBUG Andy Lutomirski
2017-04-20  3:02 ` [PATCH 3/5] nvme: Add nvme_core.force_apst to ignore the NO_APST quirk Andy Lutomirski
2017-04-20  3:02 ` [PATCH 4/5] nvme: Adjust the Samsung APST quirk Andy Lutomirski
2017-04-20  3:07   ` Jens Axboe
2017-04-20  3:51     ` Andy Lutomirski
     [not found]       ` <CGME20170420043337uscas1p1614437f255a643cdb08e44c4fd43424f@uscas1p1.samsung.com>
2017-04-20  4:33         ` Judy Brock
2017-04-20  3:02 ` [PATCH 5/5] nvme: Quirk APST off on "THNSF5256GPUK TOSHIBA" Andy Lutomirski
2017-04-20  3:10 ` [PATCH 0/5] nvme APST fixes/improvements for 4.11 Jens Axboe
2017-04-20  3:55   ` Andy Lutomirski
2017-04-20  4:52     ` Andy Lutomirski
2017-04-20  5:19       ` Christoph Hellwig
2017-04-20 16:01         ` Andy Lutomirski

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