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Message-ID: <CAEk7JKYs2RiNX9vzrNr1eA6-CPMogVvgpO3j8VRhv6dFyPWhNg@mail.gmail.com>
Date:	Mon, 26 Nov 2012 14:36:37 +0800
From:	"Li, Zhen-Hua" <lizhenhua.dev@...il.com>
To:	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Questions about function detect_intel_iommu(void)

Hi all,
     I am debugging a bug about iommu recently and got a question
about the function detect_intel_opmmu,  Could anybody kindly help me?

     In dmar.c, this function :
                void __init detect_intel_iommu(void)
     In 2.6.32 and redhat enterprise kernel 2.6.18, it is called by
x86_64 system . But in kernel 3.5.2, it is only needed on IA64 system.

    And my question is: is this function really needed for x86_64 and
i386 in 2.6.32?


Thanks and Regards.

Li, Zhen-Hua
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