Re: [tpmdd-devel] [PATCH] TPM: Let the tpm char device be openablemultiple times

From: Jason Gunthorpe
Date: Tue Nov 03 2009 - 12:46:52 EST

On Tue, Nov 03, 2009 at 09:31:55AM -0800, Hal Finney wrote:
> What if you don't want it accessible by user mode apps, you only want
> your middleware (ie tcs daemon, tcsd) to open it? Will this still
> allow that to be enforced, so nobody can interfere with tcsd's
> exclusive access to the device?

I did not attempt to implement something like that. Most cases in
Linux seem to leave that to user space..

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