diff mbox series

[v3,1/3] powerpc/crash: Remove the test for cpu_online in the IPI callback

Message ID 20171215012740.30291-1-bsingharora@gmail.com (mailing list archive)
State Superseded
Headers show
Series [v3,1/3] powerpc/crash: Remove the test for cpu_online in the IPI callback | expand

Commit Message

Balbir Singh Dec. 15, 2017, 1:27 a.m. UTC
Our check was extra cautious, we've audited crash_send_ipi
and it sends an IPI only to online CPU's. Removal of this
check should have not functional impact on crash kdump.

Signed-off-by: Balbir Singh <bsingharora@gmail.com>
---
 arch/powerpc/kernel/crash.c | 3 ---
 1 file changed, 3 deletions(-)
diff mbox series

Patch

diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c
index cbabb5adccd9..29c56ca2ddfd 100644
--- a/arch/powerpc/kernel/crash.c
+++ b/arch/powerpc/kernel/crash.c
@@ -69,9 +69,6 @@  static void crash_ipi_callback(struct pt_regs *regs)
 
 	int cpu = smp_processor_id();
 
-	if (!cpu_online(cpu))
-		return;
-
 	hard_irq_disable();
 	if (!cpumask_test_cpu(cpu, &cpus_state_saved)) {
 		crash_save_cpu(regs, cpu);