linux-kernel - Re: [PATCH] sched/core: don't include asm/mmu

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Date:	Fri, 29 Apr 2016 17:37:48 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	Steven Rostedt <rostedt@...dmis.org>,
	Russell King <linux@....linux.org.uk>,
	Ard Biesheuvel <ard.biesheuvel@...aro.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...hat.com>,
	Andy Lutomirski <luto@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Borislav Petkov <bp@...e.de>,
	Mel Gorman <mgorman@...hsingularity.net>
Subject: Re: [PATCH] sched/core: don't include asm/mmu_context from drivers

On Friday 29 April 2016 09:42:18 Steven Rostedt wrote:
> On Fri, 29 Apr 2016 10:52:32 +0200
> Arnd Bergmann <arnd@...db.de> wrote:
> 
> > This reverts the earlier fix attempt and works around the problem
> > by including both linux/mmu_context.h and asm/mmu_context.h from
> > kernel/sched/core.c. This is not a good solution but seems less
> > hacky than the alternatives.
> 
> What about simply not compiling finish_arch_post_lock_switch() when
> building modules?
> 
> (untested, not compiled or anything)
> 
> Signed-off-by: Steven Rostedt <rostedt@...dmis.org>
> 

It should work as well.

I think I suggested doing that the last time the problem came up
a few years ago, but we ended up not including the header instead,
so I kept doing that.

	Arnd