Commit 0df70952 authored Dec 02, 2010 by Russell King

ARM: SMP: remove IRQ-disabling for smp_cross_call()



As we've now removed the spinlock and bitmask, we have nothing left
which requires interrupts to be disabled when sending an IPI.  All
current IPI-sending implementations use the GIC, which also does not
require interrupts disabled when calling gic_raise_softirq().

Remove the now unnecessary IRQ disable.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

parent 24480d98

arch/arm/kernel/smp.c

+0 −6

Original line number	Diff line number	Diff line
		@@ -383,16 +383,10 @@ void __init smp_prepare_boot_cpu(void)

		static void send_ipi_message(const struct cpumask *mask, enum ipi_msg_type msg)
		{
		unsigned long flags;

		local_irq_save(flags);

		/*
		* Call the platform specific cross-CPU call function.
		*/
		smp_cross_call(mask, msg);

		local_irq_restore(flags);
		}

		void arch_send_call_function_ipi_mask(const struct cpumask *mask)