From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC V6 3/3] arm64:add bitrev.h file to support rbit instruction
Date: Fri, 31 Oct 2014 10:43:06 +0000 [thread overview]
Message-ID: <20141031104305.GC6731@arm.com> (raw)
In-Reply-To: <35FD53F367049845BC99AC72306C23D103E010D18274@CNBJMBX05.corpusers.net>
On Fri, Oct 31, 2014 at 05:41:48AM +0000, Wang, Yalin wrote:
> This patch add bitrev.h file to support rbit instruction,
> so that we can do bitrev operation by hardware.
> Signed-off-by: Yalin Wang <yalin.wang@sonymobile.com>
> ---
> arch/arm64/Kconfig | 1 +
> arch/arm64/include/asm/bitrev.h | 21 +++++++++++++++++++++
> 2 files changed, 22 insertions(+)
> create mode 100644 arch/arm64/include/asm/bitrev.h
>
> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index 9532f8d..b1ec1dd 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -35,6 +35,7 @@ config ARM64
> select HANDLE_DOMAIN_IRQ
> select HARDIRQS_SW_RESEND
> select HAVE_ARCH_AUDITSYSCALL
> + select HAVE_ARCH_BITREVERSE
> select HAVE_ARCH_JUMP_LABEL
> select HAVE_ARCH_KGDB
> select HAVE_ARCH_TRACEHOOK
> diff --git a/arch/arm64/include/asm/bitrev.h b/arch/arm64/include/asm/bitrev.h
> new file mode 100644
> index 0000000..706a209
> --- /dev/null
> +++ b/arch/arm64/include/asm/bitrev.h
> @@ -0,0 +1,21 @@
> +#ifndef __ASM_ARM64_BITREV_H
> +#define __ASM_ARM64_BITREV_H
Really minor nit, but we don't tend to include 'ARM64' in our header guards,
so this should just be __ASM_BITREV_H.
With that change,
Acked-by: Will Deacon <will.deacon@arm.com>
Will
next prev parent reply other threads:[~2014-10-31 10:43 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-24 5:10 [PATCH RFC] arm/arm64:add CONFIG_HAVE_ARCH_BITREVERSE to support rbit Wang, Yalin
[not found] ` <35FD53F367049845BC99AC72306C23D103E010D18257@CNBJMBX05.corpusers.net>
2014-10-27 6:46 ` [RFC V2] arm/arm64:add CONFIG_HAVE_ARCH_BITREVERSE to support rbit instruction Joe Perches
2014-10-27 7:13 ` Wang, Yalin
2014-10-28 21:18 ` [PATCH] carl9170: Convert byte_rev_table uses to bitrev8 Joe Perches
2014-10-28 21:22 ` [PATCH] 6fire: " Joe Perches
2014-10-29 2:42 ` Wang, Yalin
2014-10-29 3:06 ` Joe Perches
2014-10-29 3:10 ` Wang, Yalin
2014-10-29 3:28 ` [RFC V2] arm/arm64:add CONFIG_HAVE_ARCH_BITREVERSE to support rbit instruction Rob Herring
2014-10-29 5:20 ` Wang, Yalin
[not found] ` <35FD53F367049845BC99AC72306C23D103E010D1825F@CNBJMBX05.corpusers.net>
2014-10-29 5:21 ` [RFC V4 1/3] add " Joe Perches
2014-10-29 5:36 ` Wang, Yalin
[not found] ` <35FD53F367049845BC99AC72306C23D103E010D18260@CNBJMBX05.corpusers.net>
[not found] ` <35FD53F367049845BC99AC72306C23D103E010D18261@CNBJMBX05.corpusers.net>
[not found] ` <35FD53F367049845BC99AC72306C23D103E010D18264@CNBJMBX05.corpusers.net>
[not found] ` <35FD53F367049845BC99AC72306C23D103E010D18265@CNBJMBX05.corpusers.net>
[not found] ` <35FD53F367049845BC99AC72306C23D103E010D18266@CNBJMBX05.corpusers.net>
2014-10-30 12:01 ` [RFC V5 3/3] arm64:add bitrev.h file " Will Deacon
2014-10-30 12:26 ` Ard Biesheuvel
2014-10-30 13:57 ` Will Deacon
[not found] ` <35FD53F367049845BC99AC72306C23D103E010D18272@CNBJMBX05.corpusers.net>
[not found] ` <35FD53F367049845BC99AC72306C23D103E010D18273@CNBJMBX05.corpusers.net>
2014-10-31 7:54 ` [RFC V6 2/3] add CONFIG_HAVE_ARCH_BITREVERSE " Wang, Yalin
[not found] ` <35FD53F367049845BC99AC72306C23D103E010D18275@CNBJMBX05.corpusers.net>
[not found] ` <35FD53F367049845BC99AC72306C23D103E010D1827B@CNBJMBX05.corpusers.net>
2014-10-31 7:45 ` [RFC] arm:remove clear_thread_flag(TIF_UPROBE) Joe Perches
2014-10-31 7:51 ` Wang, Yalin
2014-10-31 7:58 ` Joe Perches
2014-10-31 7:59 ` Wang, Yalin
2014-11-13 23:53 ` [RFC V6 2/3] arm:add bitrev.h file to support rbit instruction Russell King - ARM Linux
2014-11-14 0:05 ` Joe Perches
2014-11-14 0:17 ` Russell King - ARM Linux
2014-11-14 0:45 ` Joe Perches
2014-11-14 1:18 ` Russell King - ARM Linux
2014-11-14 1:26 ` Joe Perches
2014-11-14 9:52 ` Russell King - ARM Linux
2014-11-14 6:37 ` Takashi Iwai
2014-11-14 6:55 ` Joe Perches
2014-11-14 7:03 ` Takashi Iwai
2014-11-14 2:01 ` Wang, Yalin
2014-11-14 9:58 ` Russell King - ARM Linux
2014-11-17 2:38 ` Wang, Yalin
2015-01-08 18:40 ` Russell King - ARM Linux
2015-01-09 2:16 ` Wang, Yalin
2015-01-09 11:10 ` Russell King - ARM Linux
2015-01-09 12:40 ` Wang, Yalin
2015-01-14 16:38 ` Russell King - ARM Linux
2015-01-16 1:42 ` Wang, Yalin
[not found] ` <35FD53F367049845BC99AC72306C23D103E010D18274@CNBJMBX05.corpusers.net>
2014-10-31 10:43 ` Will Deacon [this message]
2014-11-03 2:17 ` [RFC V6 3/3] arm64:add " Wang, Yalin
2014-11-03 8:47 ` Ard Biesheuvel
2014-11-03 9:50 ` Will Deacon
2014-11-04 1:45 ` Wang, Yalin
2014-10-31 2:03 ` [RFC V5 " Wang, Yalin
[not found] ` <35FD53F367049845BC99AC72306C23D103E010D18259@CNBJMBX05.corpusers.net>
2014-10-27 10:48 ` [RFC V3] arm/arm64:add CONFIG_HAVE_ARCH_BITREVERSE " Will Deacon
2014-10-28 1:34 ` Wang, Yalin
2014-10-28 13:59 ` Will Deacon
2014-10-29 2:52 ` Wang, Yalin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20141031104305.GC6731@arm.com \
--to=will.deacon@arm.com \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).