linux-kernel - [tip:x86/apic] x86, irq: Provide empty send_cleanup

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Message-ID: <tip-e32c67e0cbb3921bffe1cc306628c0074d2f43bc@git.kernel.org>
Date:	Fri, 19 Dec 2014 06:00:52 -0800
From:	tip-bot for Jiang Liu <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	tglx@...utronix.de, rdunlap@...radead.org, rjw@...ysocki.net,
	mingo@...nel.org, yinghai@...nel.org, bp@...en8.de,
	tony.luck@...el.com, hpa@...or.com, gregkh@...uxfoundation.org,
	joro@...tes.org, konrad.wilk@...cle.com, bhelgaas@...gle.com,
	benh@...nel.crashing.org, linux-kernel@...r.kernel.org,
	jiang.liu@...ux.intel.com
Subject: [tip:x86/apic] x86, irq: Provide empty send_cleanup_vector()
  stub for UP builds

Commit-ID:  e32c67e0cbb3921bffe1cc306628c0074d2f43bc
Gitweb:     http://git.kernel.org/tip/e32c67e0cbb3921bffe1cc306628c0074d2f43bc
Author:     Jiang Liu <jiang.liu@...ux.intel.com>
AuthorDate: Mon, 27 Oct 2014 16:12:11 +0800
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Tue, 16 Dec 2014 14:08:14 +0100

x86, irq: Provide empty send_cleanup_vector() stub for UP builds

Define an empty send_cleanup_vector() for UP kernel to fix link error
of undefined reference, which is used by uv_irq and irq_remapping.

[ tglx: Made it an inline stub and moved it ahead of the file split
  	changes ]

Signed-off-by: Jiang Liu <jiang.liu@...ux.intel.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc: Tony Luck <tony.luck@...el.com>
Cc: Joerg Roedel <joro@...tes.org>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc: Rafael J. Wysocki <rjw@...ysocki.net>
Cc: Bjorn Helgaas <bhelgaas@...gle.com>
Cc: Randy Dunlap <rdunlap@...radead.org>
Cc: Yinghai Lu <yinghai@...nel.org>
Cc: Borislav Petkov <bp@...en8.de>
Link: http://lkml.kernel.org/r/1414397531-28254-21-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>

---
 arch/x86/include/asm/hw_irq.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h
index 4615906..fa5d1e7 100644
--- a/arch/x86/include/asm/hw_irq.h
+++ b/arch/x86/include/asm/hw_irq.h
@@ -153,7 +153,11 @@ struct irq_cfg {
 };
 
 extern int assign_irq_vector(int, struct irq_cfg *, const struct cpumask *);
+#ifdef CONFIG_SMP
 extern void send_cleanup_vector(struct irq_cfg *);
+#else
+static inline void send_cleanup_vector(struct irq_cfg *c) { }
+#endif
 
 struct irq_data;
 int __ioapic_set_affinity(struct irq_data *, const struct cpumask *,
--
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