linux-kernel - Re: [PATCH v2 08/31] arm64: CPU support

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Message-Id: <201208202047.07991.arnd@arndb.de>
Date:	Mon, 20 Aug 2012 20:47:07 +0000
From:	Arnd Bergmann <arnd@...db.de>
To:	Catalin Marinas <catalin.marinas@....com>
Cc:	Olof Johansson <olof@...om.net>,
	"linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Will Deacon <Will.Deacon@....com>
Subject: Re: [PATCH v2 08/31] arm64: CPU support

On Monday 20 August 2012, Catalin Marinas wrote:
> > > --- /dev/null
> > > +++ b/arch/arm64/mm/proc-syms.c
> ...
> > > +EXPORT_SYMBOL(__cpuc_flush_kern_all);
> > > +EXPORT_SYMBOL(__cpuc_flush_user_all);
> > > +EXPORT_SYMBOL(__cpuc_flush_user_range);
> > > +EXPORT_SYMBOL(__cpuc_coherent_kern_range);
> > > +EXPORT_SYMBOL(__cpuc_flush_dcache_area);
> > 
> > See comment on other email about putting function pointers in a struct
> > instead.
> 
> There is no need to support multiple CPU architectures with different
> implementations, so allowing these functions to be called without
> indirection is better.

What is the __cpuc prefix about then? Could you just drop it?

	Arnd
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