Messages in this thread | | | Date | Tue, 12 Apr 2016 11:26:55 -0600 | From | Jason Gunthorpe <> | Subject | Re: [PATCH] tpm: fix crash in tpm_tis deinitialization |
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On Tue, Apr 12, 2016 at 07:26:27AM +0300, Jarkko Sakkinen wrote: > > This needs to be after ops is fenced, something like this. > > I would appreciate a supporting argument. > > I guess the argument here is that this will prevent user space from > issuing TPM commands after the shutdown command has been sent?
It prevents everything including the kernel from issuing a command after shutdown. The shutdown is sent as the last command and no other commands can follow it.
It doesn't make any sense to allow commands to follow shutdown.
Jason
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