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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 <tglx@linutronix.de>
Reviewed-by: Ingo 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
This commit is contained in:
Thomas Gleixner 2015-11-04 22:57:09 +00:00
parent 6153058a03
commit 72613184a1
1 changed files with 2 additions and 14 deletions
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16
arch/x86/kernel/smp.c
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@ -114,18 +114,6 @@
static atomic_t stopping_cpu = ATOMIC_INIT(-1); static atomic_t stopping_cpu = ATOMIC_INIT(-1);
static bool smp_no_nmi_ipi = false; 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. * this function sends a 'reschedule' IPI to another CPU.
* it goes straight through and wastes no time serializing * it goes straight through and wastes no time serializing
@ -137,12 +125,12 @@ static void native_smp_send_reschedule(int cpu)
WARN_ON(1); WARN_ON(1);
return; return;
} }
send_IPI_cpu(cpu, RESCHEDULE_VECTOR); apic->send_IPI(cpu, RESCHEDULE_VECTOR);
} }
void native_send_call_func_single_ipi(int cpu) 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) void native_send_call_func_ipi(const struct cpumask *mask)