path: root/Documentation
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authorChris Wright <chrisw@redhat.com>2010-07-20 11:06:49 -0700
committerDavid Woodhouse <David.Woodhouse@intel.com>2010-08-10 01:37:09 +0100
commitd1423d5679875ebbbc2fc63b33d465baceee0430 (patch)
tree45bf7904476291c15775345969f9cf99f026071f /Documentation
parent9fe6206f400646a2322096b56c59891d530e8d51 (diff)
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 <chrisw@redhat.com> Acked-by: Suresh Siddha <suresh.b.siddha@intel.com> Acked-by: Weidong Han <weidong.han@intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'Documentation')
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 2b2407d9a6d..0afdd284d65 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
+ [Deprecated - use intremap=off]
nointroute [IA-64]