Subject: Re: [PATCH 2/4] panic: Allow taint flag for warnings to be changed from TAINT_WARN

From: Andi Kleen <[email-masked]>
Date: Sun, 21 Mar 2010 20:10:43 +0100

Ben Hutchings <[email-masked]> writes:

> WARN() is used in some places to report firmware or hardware bugs that
> are then worked-around.  These bugs do not affect the stability of the
> kernel and should not set the usual TAINT_WARN flag.  To allow for
> this, add WARN_TAINT() and WARN_TAINT_ONCE() macros that take a taint
> flag as argument.
>
> Architectures that implement warnings using trap instructions instead
> of calls to warn_slowpath_*() must now implement __WARN_TAINT(taint)
> instead of __WARN().

I guess this should enforce that at least some taint flag is set?
(e.g. with a BUILD_BUG_ON)

-Andi

-- 
[email-masked] -- Speaking for myself only.