From: Ingo Molnar <mingo@elte.hu>
Date: Thu, 14 Feb 2008 22:30:20 +0000 (+0100)
Subject: x86: fix gart_iommu_init()
X-Git-Tag: v2.6.25-rc2~9^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=184652eb6f68050af48a2ce3d5cf0537c208bee2;p=pandora-kernel.git

x86: fix gart_iommu_init()

When the GART table is unmapped from the kernel direct mappings
during early bootup, make sure we have no leftover cachelines in it.

Note: the clflush done by set_memory_np() was not enough, because
clflush does not work on unmapped pages.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---

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