From 72613184a1f076659e8a902d64351f50d3f9c990 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Wed, 4 Nov 2015 22:57:09 +0000 Subject: [PATCH] x86/smp: Remove single IPI wrapper All APIC implementation have send_IPI now. Remove the conditional in the calling code. Signed-off-by: Thomas Gleixner Reviewed-by: Ingo Molnar Cc: Linus Torvalds Cc: Borislav Petkov Cc: Peter Zijlstra Cc: Mike Travis Cc: Daniel J Blueman Link: http://lkml.kernel.org/r/20151104220849.807817097@linutronix.de --- arch/x86/kernel/smp.c | 16 ++-------------- 1 file changed, 2 insertions(+), 14 deletions(-) diff --git a/arch/x86/kernel/smp.c b/arch/x86/kernel/smp.c index 1dbf590..658777c 100644 --- a/arch/x86/kernel/smp.c +++ b/arch/x86/kernel/smp.c @@ -115,18 +115,6 @@ 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 * anything. Worst case is that we lose a reschedule ... @@ -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) -- 2.7.4