linux-kernel - Re: [RFC PATCH -next] Fix printk_once build errors due to __read

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Date:	Wed, 30 Oct 2013 09:07:45 -0700
From:	Joe Perches <joe@...ches.com>
To:	James Hogan <james.hogan@...tec.com>,
	Fengguang Wu <fengguang.wu@...el.com>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH -next] Fix printk_once build errors due to
 __read_mostly

On Wed, 2013-10-30 at 10:18 +0000, James Hogan wrote:
> Commit 3e39c1ab04ba (printk: mark printk_once test variable
> __read_mostly) added __read_mostly to the __print_once bool in the
> printk_once() macro, but __read_mostly is defined in <linux/cache.h>
> which isn't included from <linux/printk.h>. This results in build errors
> like this:
> 
> arch/metag/mm/l2cache.c: In function 'meta_l2c_setup':
> arch/metag/mm/l2cache.c:56: error: '__read_mostly' undeclared

Fengguang?

Do you have the metag arch cross-compiler in your auto build tests?

Is there a list somewhere of what arches are build tested?

cheers, Joe

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