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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Cc: tpmdd-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org,
	srajiv@linux.vnet.ibm.com
Subject: Re: [PATCH] TPM: Let the tpm char device be openable multiple times
Date: Tue, 3 Nov 2009 10:43:52 +0000	[thread overview]
Message-ID: <20091103104352.3a460ae9@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <20091103003511.GL7768@obsidianresearch.com>

> - Move the user space data buffer and related goop into a
>   struct tpm_file, create one struct tpm_file per open file.

Is that really sufficient ?

You can open a file once, dup it (or inherit it and get multiple callers
from the same file handle. Ditto consider threated apps

Alan

  reply	other threads:[~2009-11-03 10:42 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-11-03  0:35 Jason Gunthorpe
2009-11-03 10:43 ` Alan Cox [this message]
2009-11-03 17:15   ` Jason Gunthorpe
2009-11-03 17:31 ` [tpmdd-devel] " Hal Finney
2009-11-03 17:46   ` Jason Gunthorpe
2009-11-03 18:14   ` Valdis.Kletnieks
2009-11-03 22:41     ` Jason Gunthorpe
2009-11-04  3:24       ` Valdis.Kletnieks
2009-11-04  4:27         ` Jason Gunthorpe
2009-11-04  9:58         ` Alan Cox
2012-09-30 23:33 Jason Gunthorpe
2012-10-10 16:33 ` Kent Yoder
2012-10-12 20:56   ` Jason Gunthorpe
2012-10-15 22:02     ` Kent Yoder

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