]> git.baikalelectronics.ru Git - kernel.git/commit
intel-iommu: PMEN support
authormark gross <mgross@linux.intel.com>
Fri, 8 Feb 2008 12:18:38 +0000 (04:18 -0800)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Fri, 8 Feb 2008 17:22:24 +0000 (09:22 -0800)
commit91b99204770ce94d9c0bd0e98fc862ff4e2636a6
treec450e793839868c23209e6fcbfb189975d9d4db6
parent27dd334fab7d40a91bbe08c7c334bb7fa1f0aec1
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>
drivers/pci/intel-iommu.c
drivers/pci/intel-iommu.h