Commit 0dd945ff authored by Thomas Gleixner's avatar Thomas Gleixner

genirq/cpuhotplug: Remove irq disabling logic

This is called from stop_machine() with interrupts disabled. No point in
disabling them some more.
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Keith Busch <keith.busch@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Christoph Hellwig <hch@lst.de>
Link: http://lkml.kernel.org/r/20170619235445.198042748@linutronix.de
parent 137221df
...@@ -59,11 +59,8 @@ static bool migrate_one_irq(struct irq_desc *desc) ...@@ -59,11 +59,8 @@ static bool migrate_one_irq(struct irq_desc *desc)
*/ */
void irq_migrate_all_off_this_cpu(void) void irq_migrate_all_off_this_cpu(void)
{ {
unsigned int irq;
struct irq_desc *desc; struct irq_desc *desc;
unsigned long flags; unsigned int irq;
local_irq_save(flags);
for_each_active_irq(irq) { for_each_active_irq(irq) {
bool affinity_broken; bool affinity_broken;
...@@ -73,10 +70,9 @@ void irq_migrate_all_off_this_cpu(void) ...@@ -73,10 +70,9 @@ void irq_migrate_all_off_this_cpu(void)
affinity_broken = migrate_one_irq(desc); affinity_broken = migrate_one_irq(desc);
raw_spin_unlock(&desc->lock); raw_spin_unlock(&desc->lock);
if (affinity_broken) if (affinity_broken) {
pr_warn_ratelimited("IRQ%u no longer affine to CPU%u\n", pr_warn_ratelimited("IRQ %u: no longer affine to CPU%u\n",
irq, smp_processor_id()); irq, smp_processor_id());
} }
}
local_irq_restore(flags);
} }
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