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authorIngo Molnar <mingo@kernel.org>2017-03-28 08:54:25 +0200
committerIngo Molnar <mingo@kernel.org>2017-03-28 08:54:25 +0200
commit4a96d1a5f0c51a0c991fb47160eca305ba628110 (patch)
tree42a33c4a256f6353256e7a5b0edc4285d0a65901 /arch/x86/kernel/nmi.c
parent5204bf17031b69fa5faa4dc80a9dc1e2446d74f9 (diff)
parentcc66afea58f858ff6da7f79b8a595a67bbb4f9a9 (diff)
Merge branch 'ras/urgent' into ras/core, to pick up fix
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/nmi.c')
-rw-r--r--arch/x86/kernel/nmi.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c
index f088ea4c66e7..a723ae9440ab 100644
--- a/arch/x86/kernel/nmi.c
+++ b/arch/x86/kernel/nmi.c
@@ -166,11 +166,9 @@ int __register_nmi_handler(unsigned int type, struct nmiaction *action)
spin_lock_irqsave(&desc->lock, flags);
/*
- * most handlers of type NMI_UNKNOWN never return because
- * they just assume the NMI is theirs. Just a sanity check
- * to manage expectations
+ * Indicate if there are multiple registrations on the
+ * internal NMI handler call chains (SERR and IO_CHECK).
*/
- WARN_ON_ONCE(type == NMI_UNKNOWN && !list_empty(&desc->head));
WARN_ON_ONCE(type == NMI_SERR && !list_empty(&desc->head));
WARN_ON_ONCE(type == NMI_IO_CHECK && !list_empty(&desc->head));