linux-kernel - Re: [PATCH] MODSIGN: Add TAINT_NOKEY

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Date:	Thu, 17 Jan 2013 10:02:02 -0500
From:	Dave Jones <davej@...hat.com>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	Josh Boyer <jwboyer@...hat.com>,
	"Frank Ch. Eigler" <fche@...hat.com>, dhowells@...hat.com,
	linux-kernel@...r.kernel.org, peterz@...radead.org,
	mingo@...hat.com
Subject: Re: [PATCH] MODSIGN: Add TAINT_NOKEY_MODULE

On Thu, Jan 17, 2013 at 11:27:27AM +1030, Rusty Russell wrote:
 
 > taint: add explicit flag to show whether lock dep is still OK.
 > 
 > Fix up all callers as they were before, with make one change: an
 > unsigned module taints the kernel, but doesn't turn off lockdep.
 > 
 > Signed-off-by: Rusty Russell <rusty@...tcorp.com.au>
 
This made my brain itch a little until I got to the bottom of the
patch and saw the new definition of add_taint.  Perhaps instead of
false/true, we have LOCKDEP_LIVES/LOCKDEP_DIES or similar defines
to make it clearer what's actually happening without having to
go read the function ?

 > + * If something bad has gone wrong, you'll want @lockdebug_ok = false, but for
 > + * some notewortht-but-not-corrupting cases, it can be set to true.
 > + */

'noteworthy'

	Dave

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