From: Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>
To: Gregory CLEMENT
<gregory.clement-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
Cc: Lior Amsalem <alior-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>,
Andrew Lunn <andrew-g2DYL2Zd6BY@public.gmane.org>,
Ike Pan <ike.pan-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>,
Nadav Haklai <nadavh-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>,
Ian Molton <ian.molton-4yDnlxn2s6sWdaTGBSpHTA@public.gmane.org>,
David Marlin <dmarlin-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Yehuda Yitschak <yehuday-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>,
Jani Monoses
<jani.monoses-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>,
Russell King <linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>,
Tawfik Bayouk <tawfik-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>,
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Jason Cooper <jason-NLaQJdtUoK4Be96aLqz0jA@public.gmane.org>,
"jcm-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org"
<jcm-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
"devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org"
<devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org>,
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<rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>,
Ben Dooks <ben-linux-elnMNo+KYs3YtjvyW6yDsg@public.gmane.org>,
Mike Turquette
<mturquette-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
"linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
<linux-arm-kernel-IAPFreCvJWOunwaRDDq4rA@public.gmane.org>
Subject: Re: [PATCH V4 5/5] arm: mvebu: Added SMP support for Armada XP
Date: Tue, 20 Nov 2012 17:01:27 +0000 [thread overview]
Message-ID: <20121120170127.GE27765@mudshark.cambridge.arm.com> (raw)
In-Reply-To: <50ABB499.6090508-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
On Tue, Nov 20, 2012 at 04:49:29PM +0000, Gregory CLEMENT wrote:
> On 11/20/2012 05:40 PM, Will Deacon wrote:
> >
> > ENTRY(armada_xp_secondary_startup)
> > ldr r0, =ARMADA_XP_CFB_BASE
> > mrc p15, 0, r1, c0, c0, 5
> > and r1, r1, #0xF
> > adr lr, BSYM(secondary_startup)
> >
> > /* Fallthrough */
> >
> > ENTRY(ll_set_cpu_coherent)
> > ...
> > ENDPROC(ll_set_cpu_coherent)
> > ENDPROC(armada_xp_secondary_startup)
> >
> > what do you think?
> >
>
> I prefer to keep them separate, as we can use coherency without SMP.
> That's why I create the coherency_ll.S file instead of putting everything
> in this file.
Hmm, can you elaborate a bit more on coherency without SMP please? Do these
controls also affect IO coherency?
Will
next prev parent reply other threads:[~2012-11-20 17:01 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-19 20:35 [PATCH V4 0/5] SMP support for Armada XP Gregory CLEMENT
[not found] ` <1353357360-7242-1-git-send-email-gregory.clement-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2012-11-19 20:35 ` [PATCH V4 1/5] arm: mvebu: Added support for coherency fabric in mach-mvebu Gregory CLEMENT
2012-11-20 16:32 ` Will Deacon
[not found] ` <20121120163243.GA27765-MRww78TxoiP5vMa5CHWGZ34zcgK1vI+I0E9HWUfgJXw@public.gmane.org>
2012-11-20 16:44 ` Gregory CLEMENT
2012-11-19 20:35 ` [PATCH V4 2/5] arm: mvebu: Added initial support for power managmement service unit Gregory CLEMENT
2012-11-19 20:35 ` [PATCH V4 3/5] arm: mvebu: Added IPI support via doorbells Gregory CLEMENT
2012-11-19 20:35 ` [PATCH V4 4/5] arm: mm: Added support for PJ4B cpu and init routines Gregory CLEMENT
2012-11-19 20:35 ` [PATCH V4 5/5] arm: mvebu: Added SMP support for Armada XP Gregory CLEMENT
[not found] ` <1353357360-7242-6-git-send-email-gregory.clement-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2012-11-20 16:40 ` Will Deacon
[not found] ` <20121120164058.GB27765-MRww78TxoiP5vMa5CHWGZ34zcgK1vI+I0E9HWUfgJXw@public.gmane.org>
2012-11-20 16:49 ` Gregory CLEMENT
[not found] ` <50ABB499.6090508-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
2012-11-20 17:01 ` Will Deacon [this message]
[not found] ` <20121120170127.GE27765-MRww78TxoiP5vMa5CHWGZ34zcgK1vI+I0E9HWUfgJXw@public.gmane.org>
2012-11-20 17:06 ` Gregory CLEMENT
2012-11-20 17:07 ` Thomas Petazzoni
2012-11-20 17:09 ` Will Deacon
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