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powerpc/crash: Remove the test for cpu_online in the IPI callback 

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>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
hifive-unleashed-5.1
Balbir Singh 2017-12-15 19:14:54 +11:00 committed by Michael Ellerman
parent 9625e69a38
commit 04b9c96eae
1 changed files with 0 additions and 3 deletions
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3
arch/powerpc/kernel/crash.c
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@ -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);