[tip:x86/apic] x86/apic: Implement single IPI for apic_noop

tip-bot for Thomas Gleixner
2015-11-05T14:46:49Z

Commit-ID: 4727da2eb1ec79fdc2acdd2f764b5b2aacab998c
Gitweb: http://git.kernel.org/tip/4727da2eb1ec79fdc2acdd2f764b5b2aacab998c
Author: Thomas Gleixner <tglx@linutronix.de>
AuthorDate: Wed, 4 Nov 2015 22:57:06 +0000
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitDate: Thu, 5 Nov 2015 13:07:53 +0100

x86/apic: Implement single IPI for apic_noop

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/20151104220849.455429817@linutronix.de
---
arch/x86/kernel/apic/apic_noop.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/arch/x86/kernel/apic/apic_noop.c b/arch/x86/kernel/apic/apic_noop.c
index 0d96749..331a7a0 100644
--- a/arch/x86/kernel/apic/apic_noop.c
+++ b/arch/x86/kernel/apic/apic_noop.c
@@ -30,6 +30,7 @@
#include <asm/e820.h>

static void noop_init_apic_ldr(void) { }
+static void noop_send_IPI(int cpu, int vector) { }
static void noop_send_IPI_mask(const struct cpumask *cpumask, int vector) { }
static void noop_send_IPI_mask_allbutself(const struct cpumask *cpumask, int vector) { }
static void noop_send_IPI_allbutself(int vector) { }
@@ -144,6 +145,7 @@ struct apic apic_noop = {

.cpu_mask_to_apicid_and = flat_cpu_mask_to_apicid_and,

+ .send_IPI = noop_send_IPI,
.send_IPI_mask = noop_send_IPI_mask,
.send_IPI_mask_allbutself = noop_send_IPI_mask_allbutself,
.send_IPI_allbutself = noop_send_IPI_allbutself,