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| author | Thomas Gleixner <tglx@linutronix.de> | 2015-11-04 22:57:09 +0000 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-11-05 13:07:54 +0100 |
| commit | 72613184a1f076659e8a902d64351f50d3f9c990 (patch) | |
| tree | cfe43a760cc839c9e33f7eb5899dd8beba2ad6ed /arch/x86/kernel/smp.c | |
| parent | 6153058a03f4cc5200b0b29e201caa11779ebca0 (diff) | |
| download | linux-72613184a1f076659e8a902d64351f50d3f9c990.tar.bz2 | |
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
Diffstat (limited to 'arch/x86/kernel/smp.c')
| -rw-r--r-- | arch/x86/kernel/smp.c | 16 |
1 files changed, 2 insertions, 14 deletions
diff --git a/arch/x86/kernel/smp.c b/arch/x86/kernel/smp.c index 1dbf590cdd89..658777cf3851 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) |