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From: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
To: Jarkko Sakkinen
	<jarkko.sakkinen-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
Cc: "moderated list:TPM DEVICE DRIVER"
	<tpmdd-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>,
	linux-security-module-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	open list <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH] tpm: fix a race condition tpm2_unseal_trusted()
Date: Tue, 9 Aug 2016 09:49:03 -0600	[thread overview]
Message-ID: <20160809154903.GA7346@obsidianresearch.com> (raw)
In-Reply-To: <20160809103629.GA17800-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>

On Tue, Aug 09, 2016 at 01:36:29PM +0300, Jarkko Sakkinen wrote:

> Functionally my patch should not break anything. I understand the need
> for clean up of locking but why doing this now to make the driver
> non-racy would make clean up later on any harder?

Then rename the functions so they don't confusingly look like the
standard kernel pattern that doesn't lock.

Jason

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WARNING: multiple messages have this Message-ID (diff)
From: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
To: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Cc: Peter Huewe <peterhuewe@gmx.de>,
	linux-security-module@vger.kernel.org,
	Marcel Selhorst <tpmdd@selhorst.net>,
	"moderated list:TPM DEVICE DRIVER" 
	<tpmdd-devel@lists.sourceforge.net>,
	open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] tpm: fix a race condition tpm2_unseal_trusted()
Date: Tue, 9 Aug 2016 09:49:03 -0600	[thread overview]
Message-ID: <20160809154903.GA7346@obsidianresearch.com> (raw)
In-Reply-To: <20160809103629.GA17800@intel.com>

On Tue, Aug 09, 2016 at 01:36:29PM +0300, Jarkko Sakkinen wrote:

> Functionally my patch should not break anything. I understand the need
> for clean up of locking but why doing this now to make the driver
> non-racy would make clean up later on any harder?

Then rename the functions so they don't confusingly look like the
standard kernel pattern that doesn't lock.

Jason

  parent reply	other threads:[~2016-08-09 15:49 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-20  0:16 [PATCH] tpm: fix a race condition tpm2_unseal_trusted() Jarkko Sakkinen
2016-07-20  0:16 ` Jarkko Sakkinen
     [not found] ` <1468973792-17598-1-git-send-email-jarkko.sakkinen-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2016-07-20 16:48   ` Jason Gunthorpe
2016-07-20 16:48     ` Jason Gunthorpe
     [not found]     ` <20160720164818.GA21460-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-07-20 20:53       ` Jarkko Sakkinen
2016-07-20 20:53         ` Jarkko Sakkinen
     [not found]         ` <20160720205314.GA6525-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2016-07-20 21:13           ` Jason Gunthorpe
2016-07-20 21:13             ` Jason Gunthorpe
     [not found]             ` <20160720211332.GA32417-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-07-21  9:02               ` Jarkko Sakkinen
2016-07-21  9:02                 ` Jarkko Sakkinen
     [not found]                 ` <20160721090245.GA7999-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2016-07-21 16:25                   ` Jason Gunthorpe
2016-07-21 16:25                     ` Jason Gunthorpe
2016-08-09 10:36                     ` Jarkko Sakkinen
     [not found]                       ` <20160809103629.GA17800-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2016-08-09 15:49                         ` Jason Gunthorpe [this message]
2016-08-09 15:49                           ` Jason Gunthorpe
  -- strict thread matches above, loose matches on Subject: below --
2016-08-16 19:38 Jarkko Sakkinen
2016-08-16 19:38 ` Jarkko Sakkinen
2016-08-17  4:31 ` Jarkko Sakkinen
2016-08-24  0:57 Jarkko Sakkinen
2016-08-24  0:57 ` Jarkko Sakkinen
     [not found] ` <1472000243-7088-1-git-send-email-jarkko.sakkinen-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2016-08-24  1:32   ` Jarkko Sakkinen
2016-08-24  1:32     ` Jarkko Sakkinen
2016-08-25 18:30   ` Jason Gunthorpe
2016-08-25 18:30     ` Jason Gunthorpe
     [not found]     ` <20160825183059.GB1142-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-08-25 21:06       ` Jarkko Sakkinen
2016-08-25 21:06         ` Jarkko Sakkinen
     [not found]         ` <20160825210437.GA8658-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2016-08-25 21:09           ` Jason Gunthorpe
2016-08-25 21:09             ` Jason Gunthorpe

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