linux-kernel - Re: [RESEND][PATCH 1/2] lib/scatterlist: Make ARCH_HAS_SG

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Message-ID: <20140324054706.GA4487@osiris>
Date:	Mon, 24 Mar 2014 06:47:06 +0100
From:	Heiko Carstens <heiko.carstens@...ibm.com>
To:	Laura Abbott <lauraa@...eaurora.org>
Cc:	Russell King <linux@....linux.org.uk>,
	"David S. Miller" <davem@...emloft.net>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
	"James E.J. Bottomley" <JBottomley@...allels.com>,
	Fenghua Yu <fenghua.yu@...el.com>,
	Tony Luck <tony.luck@...el.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
	linux-s390@...r.kernel.org, sparclinux@...r.kernel.org,
	linux-scsi@...r.kernel.org, linux-ia64@...r.kernel.org,
	linux390@...ibm.com, linux-arm-kernel@...ts.infradead.org
Subject: Re: [RESEND][PATCH 1/2] lib/scatterlist: Make ARCH_HAS_SG_CHAIN an
 actual Kconfig

On Sat, Mar 22, 2014 at 11:13:51AM -0700, Laura Abbott wrote:
> Rather than have architectures #define ARCH_HAS_SG_CHAIN in an architecture
> specific scatterlist.h, make it a proper Kconfig option and use that
> instead. At same time, remove the header files are are now mostly
> useless and just include asm-generic/scatterlist.h.
> 

[...]

> diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
> index 65a0775..d6c2059 100644
> --- a/arch/s390/Kconfig
> +++ b/arch/s390/Kconfig
> @@ -142,6 +142,7 @@ config S390
>  	select SYSCTL_EXCEPTION_TRACE
>  	select VIRT_CPU_ACCOUNTING
>  	select VIRT_TO_BUS
> +	select ARCH_HAS_SG_CHAIN
> 

Acked-by: Heiko Carstens <heiko.carstens@...ibm.com>

FWIW, it would have been nice to keep the list of selected configs sorted.
However no need to resend.

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