From: scott.bauer@intel.com (Scott Bauer)
Subject: [PATCH] nvme: Honor RTD3 Entry Latency for shutdowns
Date: Wed, 16 Aug 2017 14:25:44 -0600 [thread overview]
Message-ID: <20170816202543.ilkhynyffe2tjrl7@sbauer-Z170X-UD5> (raw)
In-Reply-To: <20170816195552.22492-1-martin.petersen@oracle.com>
On Wed, Aug 16, 2017@03:55:52PM -0400, Martin K. Petersen wrote:
> If an NVMe controller reports RTD3 Entry Latency bigger than
> shutdown_timeout, use that value to set the shutdown timer. Otherwise
> fall back to the module parameter which defaults to 5 seconds.
My only concern is if this value extends past the DPM_WATCHDOG timeout
value. If it does we're going to end up panic()ing the kernel during
suspends. If others agree I think we should set it to the minimum value
of DPM_WATCHDOG_TIMEOUT and shutdown_timeout.
next prev parent reply other threads:[~2017-08-16 20:25 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-16 19:55 [PATCH] nvme: Honor RTD3 Entry Latency for shutdowns Martin K. Petersen
2017-08-16 20:25 ` Scott Bauer [this message]
2017-08-16 20:49 ` Martin K. Petersen
2017-08-17 15:01 ` Keith Busch
2017-08-17 17:06 ` Martin K. Petersen
2017-08-17 17:42 ` Scott Bauer
2017-08-23 22:32 ` [PATCH v2] " Martin K. Petersen
2017-08-24 9:02 ` Christoph Hellwig
2017-08-25 2:26 ` Martin K. Petersen
2017-08-25 2:26 ` [PATCH v3] " Martin K. Petersen
2017-08-25 7:41 ` Christoph Hellwig
2017-08-25 14:15 ` Martin K. Petersen
2017-08-25 19:56 ` Keith Busch
2017-08-25 23:14 ` [PATCH v4] " Martin K. Petersen
2017-08-28 6:05 ` Sagi Grimberg
2017-08-28 14:22 ` Keith Busch
2017-08-25 23:16 ` [PATCH v3] " Martin K. Petersen
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