linux-kernel - Re: [tip:x86/timers] x86: Don't include asm/x86

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Message-ID: <alpine.DEB.2.20.1710201347140.2908@nanos>
Date:   Fri, 20 Oct 2017 13:48:27 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Arnd Bergmann <arnd@...db.de>
cc:     Ingo Molnar <mingo@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Joerg Roedel <joro@...tes.org>,
        "H. Peter Anvin" <hpa@...or.com>, linux-tip-commits@...r.kernel.org
Subject: Re: [tip:x86/timers] x86: Don't include asm/x86_init.h in
 asm/setup.h

On Fri, 20 Oct 2017, Arnd Bergmann wrote:
> On Fri, Oct 20, 2017 at 1:11 PM, Ingo Molnar <mingo@...nel.org> wrote:
> >>  #include <asm/iommu_table.h>
> >> +#include <asm/x86_init.h>
> >>
> >>  #include "irq_remapping.h"
> >
> > This breaks the IA64 build:
> >
> >   drivers/iommu/dmar.c:44:26: fatal error: asm/x86_init.h: No such file or directory
> 
> I've sent a fixup to add an #ifdef around it now. Alternatively, we
> could include
> it implicitly in asm/iommu_table.h, which would avoid the #ifdef but
> seem a little
> hacky.

Hrm. Both solutions are ugly. Is there no other way to split stuff up in
those headers (maybe create an extra one).

Thanks,

	tglx