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authorIngo Molnar <mingo@kernel.org>2025-03-08 00:54:06 +0100
committerIngo Molnar <mingo@kernel.org>2025-03-08 00:54:06 +0100
commitf23ecef20af6fbd489e0362d33cdf8d9429fa901 (patch)
tree713f06d8335b7c3388bbfbc46cb6d2a568951252 /drivers/iommu/intel/dmar.c
parentc929d08df8bee855528b9d15b853c892c54e1eee (diff)
parent85b2b9c16d053364e2004883140538e73b333cdb (diff)
Merge branch 'locking/urgent' into locking/core, to pick up locking fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/iommu/intel/dmar.c')
-rw-r--r--drivers/iommu/intel/dmar.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/iommu/intel/dmar.c b/drivers/iommu/intel/dmar.c
index 9f424acf474e..e540092d664d 100644
--- a/drivers/iommu/intel/dmar.c
+++ b/drivers/iommu/intel/dmar.c
@@ -2043,6 +2043,7 @@ int enable_drhd_fault_handling(unsigned int cpu)
/*
* Enable fault control interrupt.
*/
+ guard(rwsem_read)(&dmar_global_lock);
for_each_iommu(iommu, drhd) {
u32 fault_status;
int ret;