From d1423d5679875ebbbc2fc63b33d465baceee0430 Mon Sep 17 00:00:00 2001 From: Chris Wright Date: Tue, 20 Jul 2010 11:06:49 -0700 Subject: intr-remap: allow disabling source id checking Allow disabling the source id checking while programming the interrupt remap table entry. Useful for debugging or working around the broken source id checks on some platforms. Signed-off-by: Chris Wright Acked-by: Suresh Siddha Acked-by: Weidong Han Signed-off-by: David Woodhouse --- Documentation/kernel-parameters.txt | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'Documentation') diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 2b2407d..0afdd28 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1028,6 +1028,12 @@ and is between 256 and 4096 characters. It is defined in the file result in a hardware IOTLB flush operation as opposed to batching them for performance. + intremap= [X86-64, Intel-IOMMU] + Format: { on (default) | off | nosid } + on enable Interrupt Remapping (default) + off disable Interrupt Remapping + nosid disable Source ID checking + inttest= [IA64] iomem= Disable strict checking of access to MMIO memory @@ -1755,6 +1761,7 @@ and is between 256 and 4096 characters. It is defined in the file nointremap [X86-64, Intel-IOMMU] Do not enable interrupt remapping. + [Deprecated - use intremap=off] nointroute [IA-64] -- cgit v1.1