Messages in this thread Patch in this message | | | Date | Wed, 04 Nov 2015 22:57:09 -0000 | From | Thomas Gleixner <> | Subject | [patch 14/14] x86/smp: Remove single IPI wrapper |
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All APIC implementation have send_IPI now. Remove the conditional in the calling code.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> --- arch/x86/kernel/smp.c | 16 ++-------------- 1 file changed, 2 insertions(+), 14 deletions(-)
Index: linux/arch/x86/kernel/smp.c =================================================================== --- linux.orig/arch/x86/kernel/smp.c +++ linux/arch/x86/kernel/smp.c @@ -115,18 +115,6 @@ static atomic_t stopping_cpu = ATOMIC_IN 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(i 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)
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