]> git.baikalelectronics.ru Git - kernel.git/commit
iommu/vt-d: Clear Page Request Overflow fault bit
authorLu Baolu <baolu.lu@linux.intel.com>
Fri, 3 Nov 2017 16:51:33 +0000 (10:51 -0600)
committerAlex Williamson <alex.williamson@redhat.com>
Fri, 3 Nov 2017 16:51:33 +0000 (10:51 -0600)
commit3a57a07cffd27e262a098aeb33843974239bd82d
treecf60bbbf85f1a4dd632669c60119ea382a8decdc
parenta4eb0503fae797bd87e2bbda5d8416160b559ab8
iommu/vt-d: Clear Page Request Overflow fault bit

Currently Page Request Overflow bit in IOMMU Fault Status register
is not cleared. Not clearing this bit would mean that any  future
page-request is going to be automatically dropped by IOMMU.

Suggested-by: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
drivers/iommu/dmar.c
include/linux/intel-iommu.h