From: Will Deacon <will.deacon@arm.com>
To: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: "linux@arm.linux.org.uk" <linux@arm.linux.org.uk>,
"arnd@arndb.de" <arnd@arndb.de>,
"gang.chen@asianux.com" <gang.chen@asianux.com>,
Catalin Marinas <Catalin.Marinas@arm.com>,
"jaccon.bastiaansen@gmail.com" <jaccon.bastiaansen@gmail.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v3] arm: remove !CPU_V6 and !GENERIC_ATOMIC64 build dependencies for XEN
Date: Thu, 9 Jan 2014 10:30:05 +0000 [thread overview]
Message-ID: <20140109103004.GB11089@mudshark.cambridge.arm.com> (raw)
In-Reply-To: <1389204023-26912-1-git-send-email-stefano.stabellini@eu.citrix.com>
Hi Stefano,
On Wed, Jan 08, 2014 at 06:00:23PM +0000, Stefano Stabellini wrote:
> Remove !GENERIC_ATOMIC64 build dependency:
> - rename atomic64_xchg to armv7_atomic64_xchg and define it even ifdef
> GENERIC_ATOMIC64;
> - call armv7_atomic64_xchg directly from xen/events.h.
>
> Remove !CPU_V6 build dependency:
> - introduce __cmpxchg8 and __cmpxchg16, compiled even ifdef
> CONFIG_CPU_V6;
> - implement sync_cmpxchg using __cmpxchg8 and __cmpxchg16.
>
> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
> CC: arnd@arndb.de
> CC: linux@arm.linux.org.uk
> CC: will.deacon@arm.com
> CC: gang.chen@asianux.com
> CC: catalin.marinas@arm.com
> CC: jaccon.bastiaansen@gmail.com
> CC: linux-arm-kernel@lists.infradead.org
> CC: linux-kernel@vger.kernel.org
>
I'm confused here. It looks like you want to call armv7 code in a v6 kernel.
What am I missing?
Will
next prev parent reply other threads:[~2014-01-09 10:34 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-08 18:00 Stefano Stabellini
2014-01-09 10:30 ` Will Deacon [this message]
2014-01-09 11:04 ` Arnd Bergmann
2014-01-09 12:47 ` Stefano Stabellini
2014-01-09 18:42 ` Will Deacon
2014-01-10 16:48 ` Chen Gang F T
2014-01-13 8:12 ` Jaccon Bastiaansen
2014-01-16 16:27 ` Stefano Stabellini
2014-01-16 19:31 ` Will Deacon
2014-01-20 15:32 ` Stefano Stabellini
2014-01-21 11:08 ` Will Deacon
2014-01-21 12:08 ` Stefano Stabellini
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=20140109103004.GB11089@mudshark.cambridge.arm.com \
--to=will.deacon@arm.com \
--cc=Catalin.Marinas@arm.com \
--cc=arnd@arndb.de \
--cc=gang.chen@asianux.com \
--cc=jaccon.bastiaansen@gmail.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux@arm.linux.org.uk \
--cc=stefano.stabellini@eu.citrix.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
all inboxes | Powered by JetHome®