linux-kernel - Re: local_softirq

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Date:	Thu, 10 Apr 2008 10:08:58 +0200
From:	Heiko Carstens <heiko.carstens@...ibm.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org
Subject: Re: local_softirq_pending()

On Wed, Apr 09, 2008 at 07:27:08PM -0700, Andrew Morton wrote:
> kernel/time/tick-sched.c: In function 'tick_nohz_stop_sched_tick':
> kernel/time/tick-sched.c:229: warning: format '%02x' expects type 'unsigned int', but argument 2 has type '__u64'
> 
> I don't think the architecture's local_softirq_pending() should return u64.
> This is the sort of thing which should be consistent across architectures.
> 
> Problem is, we've made such a complete mess of everything that this is a
> bitch to fix.
> 
> The obvious and moderately clean fix is:

I think I will just change the type of softirq_pending in s390's struct lowcore
from __u64 to __u32. That should be the least intrusive "fix" for this problem.
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