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Commit dbebb4cb authored Nov 08, 2005 by Russell King Committed by Russell King Nov 08, 2005

[ARM SMP] Add missing SMP timer handling for realview



Until we have local timer support, we need to broadcast the
timer interrupt to the other CPUs.  Also, add the missing
smp_send_timer() prototype to asm/smp.h

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

parent f093182d

arch/arm/mach-realview/core.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -550,6 +550,11 @@ static irqreturn_t realview_timer_interrupt(int irq, void *dev_id, struct pt_reg

		timer_tick(regs);

		#ifdef CONFIG_SMP
		smp_send_timer();
		update_process_times(user_mode(regs));
		#endif

		write_sequnlock(&xtime_lock);

		return IRQ_HANDLED;

include/asm-arm/smp.h

+5 −0

Original line number	Diff line number	Diff line
		@@ -46,6 +46,11 @@ extern void smp_store_cpu_info(unsigned int cpuid);
		*/
		extern void smp_cross_call(cpumask_t callmap);

		/*
		* Broadcast a timer interrupt to the other CPUs.
		*/
		extern void smp_send_timer(void);

		/*
		* Boot a secondary CPU, and assign it the specified idle task.
		* This also gives us the initial stack to use for this CPU.