Re: [PATCH v3 1/5] bug: When !CONFIG_BUG, simplify WARN_ON_ONCE and family

From: Josh Triplett
Date: Tue Mar 11 2014 - 13:49:33 EST


On Tue, Mar 11, 2014 at 05:40:25PM +0100, Arnd Bergmann wrote:
> On Monday 10 March 2014, Josh Triplett wrote:
> >
> > When !CONFIG_BUG, WARN_ON and family become simple passthroughs of their
> > condition argument; however, WARN_ON_ONCE and family still have
> > conditions and a boolean to detect one-time invocation, even though the
> > warning they'd emit doesn't exist. Make the existing definitions
> > conditional on CONFIG_BUG, and add definitions for !CONFIG_BUG that map
> > to the passthrough versions of WARN and WARN_ON.
> >
> > This saves 4.4k on a minimized configuration (smaller than
> > allnoconfig), and 20.6k with defconfig plus CONFIG_BUG=n.
> >
> > Signed-off-by: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
> > ---
> > v3: Patch unchanged from v2.
> >
> > Andrew, can you please replace the entire v2 series currently in -mm
> > with this new series?
>
>
> [all patches]
> Acked-by: Arnd Bergmann <arnd@xxxxxxxx>

Thanks!

- Josh Triplett
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