From: Catalin Marinas <catalin.marinas@arm.com>
Date: Thu, 15 Feb 2007 18:05:29 +0000 (+0100)
Subject: [ARM] 4201/1: SMP barriers pair needed for the secondary boot process
X-Git-Tag: v2.6.21-rc1~75^2~6^6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0e0ba76926c37f11f38670db0cb33728f502551e;p=pandora-kernel.git

[ARM] 4201/1: SMP barriers pair needed for the secondary boot process

In some situations, the pen_release store in platform_secondary_init()
may stay forever in the write buffer while the CPU is waiting on the
boot_lock to be released in boot_secondary(). The primary CPU could
never see the pen_release update without the barriers.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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