linux-kernel - Re: [RFC][PATCH resend 8/12] asm-generic: bitops: introduce le bit offset macro

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Date:	Mon, 10 May 2010 14:01:51 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Takuya Yoshikawa <yoshikawa.takuya@....ntt.co.jp>
Cc:	Takuya Yoshikawa <takuya.yoshikawa@...il.com>,
	Avi Kivity <avi@...hat.com>, mtosatti@...hat.com,
	agraf@...e.de, fernando@....ntt.co.jp, kvm@...r.kernel.org,
	kvm-ppc@...r.kernel.org, kvm-ia64@...r.kernel.org,
	tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
	x86@...nel.org, benh@...nel.crashing.org, paulus@...ba.org,
	linuxppc-dev@...abs.org, linux-arch@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC][PATCH resend 8/12] asm-generic: bitops: introduce le bit offset macro

On Monday 10 May 2010, Takuya Yoshikawa wrote:
> (2010/05/06 22:38), Arnd Bergmann wrote:
> > On Wednesday 05 May 2010, Takuya Yoshikawa wrote:
> >> There was a suggestion to propose set_le_bit_user() kind of macros.
> >> But what I thought was these have a constraint you two explained and seemed to be
> >> a little bit specific to some area, like KVM.
> >>
> >> So I decided to propose just the offset calculation macro.
> >
> > I'm not sure I understand how this macro is going to be used though.
> > If you are just using this in kernel space, that's fine, please go for
> > it.
> 
> Yes, I'm just using in kernel space: qemu has its own endian related helpers.
> 
> So if you allow us to place this macro in asm-generic/bitops/* it will help us.

No problem at all then. Thanks for the explanation.

Acked-by: Arnd Bergmann <arnd@...db.de>
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