Commit-ID: 57d335ce88d055eb212e2531dd7a8b4240404a57
Gitweb: http://git.kernel.org/tip/57d335ce88d055eb212e2531dd7a8b4240404a57
Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Sat, 19 Mar 2016 12:28:38 +0100
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Sat, 19 Mar 2016 13:40:08 +0100
x86/oprofile/nmi: Add missing hotplug FROZEN handling
We really do not want to keep that nmi enabled across suspend/resume.
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
arch/x86/oprofile/nmi_int.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c
index 1d2e639..0e07e09 100644
--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -437,7 +437,8 @@ static int oprofile_cpu_notifier(struct notifier_block *b, unsigned long action,
void *data)
{
int cpu = (unsigned long)data;
- switch (action) {
+
+ switch (action & ~CPU_TASKS_FROZEN) {
case CPU_DOWN_FAILED:
case CPU_ONLINE:
smp_call_function_single(cpu, nmi_cpu_up, NULL, 0);
--
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