linux-kernel - [tip:x86/apic] x86/apic: Implement single IPI for apic

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Message-ID: <tip-4727da2eb1ec79fdc2acdd2f764b5b2aacab998c@git.kernel.org>
Date:	Thu, 5 Nov 2015 06:46:12 -0800
From:	tip-bot for Thomas Gleixner <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	mingo@...nel.org, peterz@...radead.org,
	torvalds@...ux-foundation.org, hpa@...or.com,
	linux-kernel@...r.kernel.org, travis@....com, bp@...en.de,
	daniel@...ascale.com, tglx@...utronix.de
Subject: [tip:x86/apic] x86/apic: Implement single IPI for apic_noop

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

x86/apic: Implement single IPI for apic_noop

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Reviewed-by: Ingo Molnar <mingo@...nel.org>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Borislav Petkov <bp@...en.de>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Mike Travis <travis@....com>
Cc: Daniel J Blueman <daniel@...ascale.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,
--
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