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Message-ID: <20080321101504.GI20420@elte.hu> Date: Fri, 21 Mar 2008 11:15:04 +0100 From: Ingo Molnar <mingo@...e.hu> To: Christoph Hellwig <hch@...radead.org> Cc: Heiko Carstens <heiko.carstens@...ibm.com>, Thomas Gleixner <tglx@...utronix.de>, linux-kernel@...r.kernel.org, Martin Schwidefsky <schwidefsky@...ibm.com> Subject: Re: tick-common.c hack for s390 needed * Christoph Hellwig <hch@...radead.org> wrote: > On Tue, Mar 18, 2008 at 10:31:19AM +0100, Heiko Carstens wrote: > > Hi Thomas, Ingo, > > > > I'm converting s390 from s390's NO_IDLE_HZ to GENERIC_CLOCKEVENTS and > > therefore to the generic NO_HZ implementation. > > One of the problems that need a patch for this is kernel/time/tick-common.c > > which relies on the irq stuff present in include/linux/irq.h. > > In particular s390 doesn't have something like irq_set_affinity which > > causes this build error: > > Generic code must never use linux/irq.h - it's more like asm-generic > file predating asm-generic. agreed. Heiko, if you remove all these: ./time/tick-broadcast.c:#include <linux/irq.h> ./time/tick-oneshot.c:#include <linux/irq.h> ./time/tick-common.c:#include <linux/irq.h> ./hrtimer.c:#include <linux/irq.h> from kernel/*, do things improve on s390? If yes then please send a patch for it and i'll check whether there's any include file dependency fallout on x86. Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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