linux-kernel - Re: [RFC][PATCH] x86: remove vmalloc.h from asm/io.h

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Message-ID: <20150529092105.GA30603@gmail.com>
Date:	Fri, 29 May 2015 11:21:05 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Boris Ostrovsky <boris.ostrovsky@...cle.com>,
	David Vrabel <david.vrabel@...rix.com>,
	Anton Vorontsov <anton@...msg.org>,
	Colin Cross <ccross@...roid.com>,
	Kees Cook <keescook@...omium.org>,
	Tony Luck <tony.luck@...el.com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Len Brown <lenb@...nel.org>,
	Kristen Carlson Accardi <kristen@...ux.intel.com>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	Vinod Koul <vinod.koul@...el.com>,
	"K. Y. Srinivasan" <kys@...rosoft.com>,
	Haiyang Zhang <haiyangz@...rosoft.com>,
	Hiral Patel <hiralpat@...co.com>,
	Suma Ramars <sramars@...co.com>,
	Brian Uchino <buchino@...co.com>,
	"James E.J. Bottomley" <JBottomley@...n.com>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Miller <davem@...emloft.net>,
	linux-kernel@...r.kernel.org, xen-devel@...ts.xenproject.org,
	linux-acpi@...r.kernel.org, linux-pm@...r.kernel.org,
	dmaengine@...r.kernel.org, devel@...uxdriverproject.org,
	netdev@...r.kernel.org, linux-scsi@...r.kernel.org,
	alsa-devel@...a-project.org
Subject: Re: [RFC][PATCH] x86: remove vmalloc.h from asm/io.h


* Stephen Rothwell <sfr@...b.auug.org.au> wrote:

> Nothing in asm/io.h uses anything from vmalloc.h, so remove the include
> and fix up the build problems in an allmodconfig (64 bit and 32 bit)
> build.
> 
> This may be the place where x86 builds get vmalloc.h implicitly included
> and that tends to hide places where vmalloc() et al are added to files
> but the include of vmalloc.h is forgotten.

Good idea.

Acked-by: Ingo Molnar <mingo@...nel.org>

> Based in Linus' tree of today.
> 
> There are probably more places that need vmalloc.h included, but this passes 64 
> bit and 32 bit allmodconfig builds, so is a place to start.

Please also test x86 allnoconfig and defconfig 32/64, that tends to unearth the 
remaining places. People doing randconfig testing will find the rest.

Thanks,

	Ingo
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