From: Chen Gang <gang.chen.5i5j@gmail.com>
To: Lennox Wu <lennox.wu@gmail.com>
Cc: "linux-m32r-ja@ml.linux-m32r.org"
<linux-m32r-ja@ml.linux-m32r.org>,
"linux-mips@linux-mips.org" <linux-mips@linux-mips.org>,
"a-jacquiot@ti.com" <a-jacquiot@ti.com>,
"catalin.marinas@arm.com" <catalin.marinas@arm.com>,
"linux@lists.openrisc.net" <linux@lists.openrisc.net>,
"will.deacon@arm.com" <will.deacon@arm.com>,
"dhowells@redhat.com" <dhowells@redhat.com>,
"jcmvbkbc@gmail.com" <jcmvbkbc@gmail.com>,
"paulus@samba.org" <paulus@samba.org>,
"hpa@zytor.com" <hpa@zytor.com>,
"sparclinux@vger.kernel.org" <sparclinux@vger.kernel.org>,
"linux-hexagon@vger.kernel.org" <linux-hexagon@vger.kernel.org>,
"gxt@mprc.pku.edu.cn" <gxt@mprc.pku.edu.cn>,
Jean Delvare <jdelvare@suse.de>,
"egtvedt@samfundet.no" <egtvedt@samfundet.no>,
"jonas@southpole.se" <jonas@southpole.se>,
Liqin Chen <liqin.linux@gmail.com>,
"jesper.nilsson@axis.com" <jesper.nilsson@axis.com>,
"linux-am33-list@redhat.com" <linux-am33-list@redhat.com>,
"linux@arm.linux.org.uk" <linux@arm.linux.org.uk>,
"linux-c6x-dev@linux-c6x.org" <linux-c6x-dev@linux-c6x.org>,
"David S. Miller" <davem@davemloft.net>,
"linux-xtensa@linux-xtensa.org" <linux-xtensa@linux-xtensa.org>,
"takata@linux-m32r.org" <takata@linux-m32r.org>,
"x86@kernel.org" <x86@kernel.org>,
"jejb@parisc-linux.org" <jejb@parisc-linux.org>,
"mingo@redhat.com" <mingo@redhat.com>,
Geert Uytterhoeven <geert@linux-m68k.org>,
"msalter@redhat.com" <msalter@redhat.com>,
"mattst88@gmail.com" <mattst88@gmail.com>,
"jdike@addtoit.com" <jdike@addtoit.com>,
"hskinnemoen@gmail.com" <hskinnemoen@gmail.com>,
"fenghua.yu@intel.com" <fenghua.yu@intel.com>,
"james.hogan@imgtec.com" <james.hogan@imgtec.com>,
Arnd Bergmann <arnd@arndb.de>,
"realmz6@gmail.com" <realmz6@gmail.com>,
"heiko.carstens@de.ibm.com" <heiko.carstens@de.ibm.com>,
Vineet Gupta <Vineet.Gupta1@synopsys.com>,
"linux-alpha@vger.kernel.org" <linux-alpha@vger.kernel.org>,
"adi-buildroot-devel@lists.sourceforge.net"
<adi-buildroot-devel@lists.sourceforge.net>,
"cmetcalf@tilera.com" <cmetcalf@tilera.com>,
"starvik@axis.com" <starvik@axis.com>,
"linux-m68k@lists.linux-m68k.org"
<linux-m68k@lists.linux-m68k.org>,
"linux-m32r@ml.linux-m32r.org" <linux-m32r@ml.linux-m32r.org>,
"ink@jurassic.park.msu.ru" <ink@jurassic.park.msu.ru>,
"user-mode-linux-user@lists.sourceforge.net"
<user-mode-linux-user@lists.sourceforge.net>,
"tglx@linutronix.de" <tglx@linutronix.de>,
"linux-metag@vger.kernel.org" <linux-metag@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"rth@twiddle.net" <rth@twiddle.net>,
"chris@zankel.net" <chris@zankel.net>,
Michal Simek <monstr@monstr.eu>,
"tony.luck@intel.com" <tony.luck@intel.com>,
"linux-ia64@vger.kernel.org" <linux-ia64@vger.kernel.org>,
"linux-parisc@vger.kernel.org" <linux-parisc@vger.kernel.org>,
"linux-cris-kernel@axis.com" <linux-cris-kernel@axis.com>,
"linux-s390@vger.kernel.org" <linux-s390@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"ralf@linux-mips.org" <ralf@linux-mips.org>,
"rkuo@codeaurora.org" <rkuo@codeaurora.org>,
"user-mode-linux-devel@lists.sourceforge.net"
<user-mode-linux-devel@lists.sourceforge.net>,
Richard Weinberger <richard@nod.at>,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
"linux390@de.ibm.com" <linux390@de.ibm.com>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"yasutake.koichi@jp.panasonic.com"
<yasutake.koichi@jp.panasonic.com>,
"linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
"deller@gmx.de" <deller@gmx.de>
Subject: Re: [PATCH v3] arch: Kconfig: Let all architectures set endian explicitly
Date: Fri, 15 Aug 2014 06:22:35 +0800 [thread overview]
Message-ID: <53ED36AB.8020703@gmail.com> (raw)
In-Reply-To: <CAF0htA6qfhyVXEuLbruiz+dfxnieF-309NdxSDhoEYHM=aBhQA@mail.gmail.com>
On 08/15/2014 02:27 AM, Lennox Wu wrote:
> I don't think it's necessary, what's the benfit?
>
> 2014-08-15 2:21 GMT+08:00 Vineet Gupta <Vineet.Gupta1@synopsys.com>:
>
>> On Thursday 14 August 2014 09:55 AM, Chen Gang wrote:
[...]
>>> diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
>>> index 9596b0a..e939abd 100644
>>> --- a/arch/arc/Kconfig
>>> +++ b/arch/arc/Kconfig
>>> @@ -35,6 +35,7 @@ config ARC
>>> select OF_EARLY_FLATTREE
>>> select PERF_USE_VMALLOC
>>> select HAVE_DEBUG_STACKOVERFLOW
>>> + select CPU_LITTLE_ENDIAN if !CPU_BIG_ENDIAN
>>
>> It is not clear what exactly are you trying to fix. What doesn't work w/o
>> this
>> patch !
>>
For many individual modules may need check CPU_LITTLE_ENDIAN or
CPU_BIG_ENDIAN, which is an architecture's attribute.
Or they have to list many architectures which they support, which they
don't support. And still, it is not precise.
For architecture API, endian is a main architecture's attribute which
may be used by outside, so every architecture need let outside know
about it, explicitly.
Thanks.
--
Chen Gang
Open share and attitude like air water and life which God blessed
next prev parent reply other threads:[~2014-08-14 22:22 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-14 16:54 [PATCH v3] arch: Kconfig: Let all architectures set endian explicitly Chen Gang
2014-08-14 18:04 ` Ralf Baechle
2014-08-14 22:14 ` Chen Gang
2014-08-15 9:01 ` Chen Gang
2014-08-24 8:38 ` Chen Gang
2014-08-25 12:26 ` Chen Gang
2014-08-14 18:21 ` Vineet Gupta
2014-08-14 18:27 ` Lennox Wu
2014-08-14 22:22 ` Chen Gang [this message]
2014-08-14 23:12 ` Vineet Gupta
2014-08-15 1:29 ` Chen Gang
2014-08-15 1:47 ` Max Filippov
2014-08-15 1:52 ` Max Filippov
2014-08-15 2:06 ` Chen Gang
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=53ED36AB.8020703@gmail.com \
--to=gang.chen.5i5j@gmail.com \
--cc=Vineet.Gupta1@synopsys.com \
--cc=a-jacquiot@ti.com \
--cc=adi-buildroot-devel@lists.sourceforge.net \
--cc=akpm@linux-foundation.org \
--cc=arnd@arndb.de \
--cc=catalin.marinas@arm.com \
--cc=chris@zankel.net \
--cc=cmetcalf@tilera.com \
--cc=davem@davemloft.net \
--cc=deller@gmx.de \
--cc=dhowells@redhat.com \
--cc=egtvedt@samfundet.no \
--cc=fenghua.yu@intel.com \
--cc=geert@linux-m68k.org \
--cc=gxt@mprc.pku.edu.cn \
--cc=heiko.carstens@de.ibm.com \
--cc=hpa@zytor.com \
--cc=hskinnemoen@gmail.com \
--cc=ink@jurassic.park.msu.ru \
--cc=james.hogan@imgtec.com \
--cc=jcmvbkbc@gmail.com \
--cc=jdelvare@suse.de \
--cc=jdike@addtoit.com \
--cc=jejb@parisc-linux.org \
--cc=jesper.nilsson@axis.com \
--cc=jonas@southpole.se \
--cc=lennox.wu@gmail.com \
--cc=linux-alpha@vger.kernel.org \
--cc=linux-am33-list@redhat.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-c6x-dev@linux-c6x.org \
--cc=linux-cris-kernel@axis.com \
--cc=linux-hexagon@vger.kernel.org \
--cc=linux-ia64@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-m32r-ja@ml.linux-m32r.org \
--cc=linux-m32r@ml.linux-m32r.org \
--cc=linux-m68k@lists.linux-m68k.org \
--cc=linux-metag@vger.kernel.org \
--cc=linux-mips@linux-mips.org \
--cc=linux-parisc@vger.kernel.org \
--cc=linux-s390@vger.kernel.org \
--cc=linux-xtensa@linux-xtensa.org \
--cc=linux390@de.ibm.com \
--cc=linux@arm.linux.org.uk \
--cc=linux@lists.openrisc.net \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=liqin.linux@gmail.com \
--cc=mattst88@gmail.com \
--cc=mingo@redhat.com \
--cc=monstr@monstr.eu \
--cc=msalter@redhat.com \
--cc=paulus@samba.org \
--cc=ralf@linux-mips.org \
--cc=realmz6@gmail.com \
--cc=richard@nod.at \
--cc=rkuo@codeaurora.org \
--cc=rth@twiddle.net \
--cc=schwidefsky@de.ibm.com \
--cc=sparclinux@vger.kernel.org \
--cc=starvik@axis.com \
--cc=takata@linux-m32r.org \
--cc=tglx@linutronix.de \
--cc=tony.luck@intel.com \
--cc=user-mode-linux-devel@lists.sourceforge.net \
--cc=user-mode-linux-user@lists.sourceforge.net \
--cc=will.deacon@arm.com \
--cc=x86@kernel.org \
--cc=yasutake.koichi@jp.panasonic.com \
/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).