From: santosh.shilimkar@ti.com (Santosh)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC PATCH 0/8] Introduce logical CPU mapping
Date: Wed, 10 Aug 2011 14:20:08 +0530 [thread overview]
Message-ID: <4E424640.6040801@ti.com> (raw)
In-Reply-To: <1312926162-22469-1-git-send-email-will.deacon@arm.com>
Will,
On Wednesday 10 August 2011 03:12 AM, Will Deacon wrote:
> Hello,
>
> This patch series is an RFC following a discussion I had with Russell
> the other day:
>
> http://lists.infradead.org/pipermail/linux-arm-kernel/2011-August/060370.html
>
> The approach I've taken is fairly simple but is enough for booting on a
> CPU with physical ID != 0 on platforms which can handle it.
>
> Note that I haven't touched the OMAP4 or Tegra platforms since it's not
> clear from the code how they would be adapted to make use of the
> physical CPU number.
>
On OMAP, we use hardware register hand-shake for boot between a boot CPU
and non-boot CPU. On OMAP4, boot CPU has to be always CPU0 to ensure
that security and firewall initialisation is taken care. Other CPU can't
do those things.
Regards
Santosh
next prev parent reply other threads:[~2011-08-10 8:50 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-09 21:42 [RFC PATCH 0/8] Introduce logical CPU mapping Will Deacon
2011-08-09 21:42 ` [RFC PATCH 1/8] ARM: cpuid: add support for reading MPIDR Will Deacon
2011-08-09 21:42 ` [RFC PATCH 2/8] ARM: smp: populate logical CPU mapping during boot Will Deacon
2011-08-09 21:42 ` [RFC PATCH 3/8] ARM: gic: convert logical CPU numbers into physical numbers Will Deacon
2011-08-11 15:04 ` Will Deacon
2011-08-09 21:42 ` [RFC PATCH 4/8] ARM: exynos4: convert logical CPU numbers to " Will Deacon
2011-08-10 1:07 ` Kyungmin Park
2011-08-10 8:46 ` Will Deacon
2011-08-10 8:49 ` Kyungmin Park
2011-08-10 8:57 ` Will Deacon
2011-08-09 21:42 ` [RFC PATCH 5/8] ARM: msm: " Will Deacon
2011-08-09 22:26 ` David Brown
2011-08-10 8:42 ` Will Deacon
2011-08-10 15:51 ` David Brown
2011-08-09 21:42 ` [RFC PATCH 6/8] ARM: shmobile: " Will Deacon
2011-08-09 21:42 ` [RFC PATCH 7/8] ARM: ux500: " Will Deacon
2011-08-11 13:31 ` Linus Walleij
2011-08-09 21:42 ` [RFC PATCH 8/8] ARM: versatile: " Will Deacon
2011-08-10 8:50 ` Santosh [this message]
2011-08-10 8:58 ` [RFC PATCH 0/8] Introduce logical CPU mapping Will Deacon
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