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authorDaniel Thompson <daniel.thompson@linaro.org>2016-12-31 15:07:08 +0000
committerDaniel Thompson <daniel.thompson@linaro.org>2017-03-30 19:29:02 +0100
commit2b1c4a606c0622c991920789d6ff00137ab041b6 (patch)
tree0afc6e0efb7459cd59503842c21a70c619a38896
parent1b031cc733de73d394e31f8ae156a66bfaf8e5c7 (diff)
downloadlinux-2b1c4a606c0622c991920789d6ff00137ab041b6.tar.gz
hack: Allows SysRq-L to be used to test PMR pre-emption
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
-rw-r--r--lib/nmi_backtrace.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/nmi_backtrace.c b/lib/nmi_backtrace.c
index f0336e463c25..eeb85a77e687 100644
--- a/lib/nmi_backtrace.c
+++ b/lib/nmi_backtrace.c
@@ -51,6 +51,7 @@ void nmi_trigger_cpumask_backtrace(const cpumask_t *mask,
if (exclude_self)
cpumask_clear_cpu(this_cpu, to_cpumask(backtrace_mask));
+#if 0
/*
* Don't try to send an NMI to this cpu; it may work on some
* architectures, but on others it may not, and we'll get
@@ -59,6 +60,7 @@ void nmi_trigger_cpumask_backtrace(const cpumask_t *mask,
*/
if (cpumask_test_cpu(this_cpu, to_cpumask(backtrace_mask)))
nmi_cpu_backtrace(NULL);
+#endif
if (!cpumask_empty(to_cpumask(backtrace_mask))) {
pr_info("Sending NMI from CPU %d to CPUs %*pbl:\n",