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From: Arnd Bergmann <arnd@arndb.de>
To: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Cc: linux-arch@vger.kernel.org, x86@kernel.org, kvm@vger.kernel.org,
	kvm-ia64@vger.kernel.org, fernando@oss.ntt.co.jp,
	mtosatti@redhat.com, agraf@suse.de, kvm-ppc@vger.kernel.org,
	linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org,
	mingo@redhat.com, paulus@samba.org, Avi Kivity <avi@redhat.com>,
	hpa@zytor.com, tglx@linutronix.de,
	Takuya Yoshikawa <takuya.yoshikawa@gmail.com>
Subject: Re: [RFC][PATCH resend 8/12] asm-generic: bitops: introduce le bit offset macro
Date: Mon, 10 May 2010 14:01:51 +0200	[thread overview]
Message-ID: <201005101401.52182.arnd@arndb.de> (raw)
In-Reply-To: <4BE7F22E.9070504@oss.ntt.co.jp>

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@arndb.de>

  parent reply	other threads:[~2010-05-10 12:02 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-04 12:56 [RFC][PATCH 0/12] KVM, x86, ppc, asm-generic: moving dirty bitmaps to user space Takuya Yoshikawa
2010-05-04 12:58 ` [RFC][PATCH 1/12 applied today] KVM: x86: avoid unnecessary bitmap allocation when memslot is clean Takuya Yoshikawa
2010-05-04 13:00 ` [RFC][PATCH 2/12] KVM: introduce slot level dirty state management Takuya Yoshikawa
2010-05-04 13:01 ` [RFC][PATCH 3/12] KVM: introduce wrapper functions to create and destroy dirty bitmaps Takuya Yoshikawa
2010-05-04 13:02 ` [RFC][PATCH 4/12] x86: introduce copy_in_user() for 32-bit Takuya Yoshikawa
2010-05-04 13:02 ` [RFC][PATCH 5/12] x86: introduce __set_bit() like function for bitmaps in user space Takuya Yoshikawa
2010-05-04 13:03 ` [RFC][PATCH 6/12 not tested yet] PPC: introduce copy_in_user() for 32-bit Takuya Yoshikawa
2010-05-04 13:04 ` [RFC][PATCH 7/12 not tested yet] PPC: introduce __set_bit() like function for bitmaps in user space Takuya Yoshikawa
2010-05-11 16:00   ` Alexander Graf
2010-05-12  9:25     ` Takuya Yoshikawa
2010-05-04 13:05 ` [RFC][PATCH resend 8/12] asm-generic: bitops: introduce le bit offset macro Takuya Yoshikawa
2010-05-04 15:03   ` Arnd Bergmann
2010-05-04 16:08     ` Avi Kivity
2010-05-05  2:59       ` Takuya Yoshikawa
2010-05-06 13:38         ` Arnd Bergmann
2010-05-10 11:46           ` Takuya Yoshikawa
2010-05-10 12:01             ` Avi Kivity
2010-05-10 12:01             ` Arnd Bergmann [this message]
2010-05-10 12:09               ` Takuya Yoshikawa
2010-05-04 13:06 ` [RFC][PATCH 9/12] KVM: introduce a wrapper function of set_bit_user_non_atomic() Takuya Yoshikawa
2010-05-04 13:07 ` [RFC][PATCH RFC 10/12] KVM: move dirty bitmaps to user space Takuya Yoshikawa
2010-05-11  3:28   ` Marcelo Tosatti
2010-05-12  6:27     ` Takuya Yoshikawa
2010-05-04 13:08 ` [RFC][PATCH 11/12] KVM: introduce new API for getting/switching dirty bitmaps Takuya Yoshikawa
2010-05-11  3:43   ` Marcelo Tosatti
2010-05-11  5:53     ` Takuya Yoshikawa
2010-05-11 14:07       ` Marcelo Tosatti
2010-05-12  6:03         ` Takuya Yoshikawa
2010-05-04 13:11 ` [RFC][PATCH 12/12 sample] qemu-kvm: use " Takuya Yoshikawa
2010-05-10 12:06 ` [RFC][PATCH 0/12] KVM, x86, ppc, asm-generic: moving dirty bitmaps to user space Avi Kivity
2010-05-10 12:26   ` Takuya Yoshikawa
2010-05-11 10:11     ` Takuya Yoshikawa
2010-05-13 11:47     ` Avi Kivity
2010-05-17  9:06       ` Takuya Yoshikawa
2010-05-11 15:55 ` Alexander Graf
2010-05-12  9:19   ` Takuya Yoshikawa

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