Date: Wed, 26 Nov 2008 13:22:17 +0100
From: Andi Kleen <andi@firstfloor.org>
To: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Andi Kleen <andi@firstfloor.org>, eranian@googlemail.com,
       linux-kernel@vger.kernel.org, akpm@linux-foundation.org, mingo@elte.hu,
       x86@kernel.org, eranian@gmail.com
Subject: Re: [patch 05/24] perfmon: X86 generic code (x86)
Message-ID: <20081126122217.GW6703@one.firstfloor.org>
References: <492d0be1.09cc660a.0b75.44b7@mx.google.com> <20081126113309.GS6703@one.firstfloor.org> <20081126230529.ab37fb32.sfr@canb.auug.org.au>
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On Wed, Nov 26, 2008 at 11:05:29PM +1100, Stephen Rothwell wrote:
> Hi Andi,
> 
> On Wed, 26 Nov 2008 12:33:09 +0100 Andi Kleen <andi@firstfloor.org> wrote:
> >
> > > + * x86 does not need extra alignment requirements for the sampling buffer
> > > + */
> > > +#define PFM_ARCH_SMPL_ALIGN_SIZE	0
> > > +
> > > +asmlinkage void  pmu_interrupt(void);
> > > +
> > > +static inline void pfm_arch_bv_copy(u64 *a, u64 *b, int nbits)
> > 
> > All these bitmap wrappers just seem like unnecessary obfuscation.
> > Could you just drop them and call the standard functions directly?
> 
> These were added after comments from the PowerPC maintainer since how the
> bitmaps are accessed needs to be arch specific.

Why? They should not be exported outside, so endian shouldn't matter, should
it?

-Andi
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