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Commit 72613184 authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

x86/smp: Remove single IPI wrapper 



All APIC implementation have send_IPI now. Remove the conditional in
the calling code.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Reviewed-by: default avatarIngo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Borislav Petkov <bp@alien.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Mike Travis <travis@sgi.com>
Cc: Daniel J Blueman <daniel@numascale.com>
Link: http://lkml.kernel.org/r/20151104220849.807817097@linutronix.de
parent 6153058a

arch/x86/kernel/smp.c

+2 −14
Original line number Diff line number Diff line
@@ -114,18 +114,6 @@ 
static atomic_t stopping_cpu = ATOMIC_INIT(-1);

static bool smp_no_nmi_ipi = false;



/*

 * Helper wrapper: not all apic definitions support sending to

 * a single CPU, so we fall back to sending to a mask.

 */

static void send_IPI_cpu(int cpu, int vector)

{

	if (apic->send_IPI)

		apic->send_IPI(cpu, vector);

	else

		apic->send_IPI_mask(cpumask_of(cpu), vector);

}



/*

 * this function sends a 'reschedule' IPI to another CPU.

 * it goes straight through and wastes no time serializing
@@ -137,12 +125,12 @@ static void native_smp_send_reschedule(int cpu) 
		WARN_ON(1);

		return;

	}

	send_IPI_cpu(cpu, RESCHEDULE_VECTOR);

	apic->send_IPI(cpu, RESCHEDULE_VECTOR);

}



void native_send_call_func_single_ipi(int cpu)

{

	send_IPI_cpu(cpu, CALL_FUNCTION_SINGLE_VECTOR);

	apic->send_IPI(cpu, CALL_FUNCTION_SINGLE_VECTOR);

}



void native_send_call_func_ipi(const struct cpumask *mask)