From: Huang, Ying <ying.huang@intel.com>
Date: Thu, 31 Jan 2008 21:05:45 +0000 (+0100)
Subject: x86: c_p_a clflush_cache_range fix
X-Git-Tag: v2.6.25-rc1~1128^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d4387bd3fa1d27e03bc87533c1650e24417c8016;p=pandora-kernel.git

x86: c_p_a clflush_cache_range fix

Because in i386 early boot stage, boot_cpu_data may be not available,
which makes clflush_cach_range() into infinite loop, which is called
by change_page_attr(). This patch fixes this by setting
boot_cpu_data.x86_clflush_size in early_cpu_detect().

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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