Commit-ID:  72613184a1f076659e8a902d64351f50d3f9c990
Gitweb:     http://git.kernel.org/tip/72613184a1f076659e8a902d64351f50d3f9c990
Author:     Thomas Gleixner <[email protected]>
AuthorDate: Wed, 4 Nov 2015 22:57:09 +0000
Committer:  Thomas Gleixner <[email protected]>
CommitDate: Thu, 5 Nov 2015 13:07:54 +0100

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 <[email protected]>
Reviewed-by: Ingo Molnar <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Mike Travis <[email protected]>
Cc: Daniel J Blueman <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
---
 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)
--
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