Messages in this thread | | | Date | Mon, 5 Jul 2021 13:53:49 +0200 | From | Christoph Hellwig <> | Subject | Re: [EXT] Re: [PATCH] nvme: Add abrupt shutdown support |
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On Mon, Jul 05, 2021 at 11:15:51AM +0000, Shivamurthy Shastri (sshivamurthy) wrote: > For systems with passive electronic components to handle power-loss/battery-removal, > CC.SHN=10b will help to achieve safer shutdown with relatively lower power back-up > requirements (at lower cost). > > The module parameter gives flexibility to the host to decide shutdown type even during > boot failure.
If you have a device that always prefers an abrupt please introduce a TP in the NVMe technical working group so that the hosts automatically do the right thing. Requiring sysadmin intervention using a global kernel parameter is not the way to do this.
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