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authormark gross <mgross@linux.intel.com>2008-02-08 13:18:38 +0100
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-08 18:22:24 +0100
commitf8bab73515ca5b392680bb033dceeb37b8463e95 (patch)
treec450e793839868c23209e6fcbfb189975d9d4db6 /include
parentproc: fix ->open'less usage due to ->proc_fops flip (diff)
downloadlinux-f8bab73515ca5b392680bb033dceeb37b8463e95.tar.xz
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intel-iommu: PMEN support
Add support for protected memory enable bits by clearing them if they are set at startup time. Some future boot loaders or firmware could have this bit set after it loads the kernel, and it needs to be cleared if DMA's are going to happen effectively. Signed-off-by: mark gross <mgross@intel.com> Acked-by: Muli Ben-Yehuda <muli@il.ibm.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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