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

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Message-ID: <tip-e70425eb31f79a802d601fd411fe694458c4561b@git.kernel.org>
Date:	Wed, 5 Nov 2014 08:34:19 -0800
From:	tip-bot for Jiang Liu <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	jiang.liu@...ux.intel.com, tony.luck@...el.com, rjw@...ysocki.net,
	yinghai@...nel.org, konrad.wilk@...cle.com, bhelgaas@...gle.com,
	joro@...tes.org, linux-kernel@...r.kernel.org, mingo@...nel.org,
	bp@...en8.de, hpa@...or.com, tglx@...utronix.de,
	benh@...nel.crashing.org, rdunlap@...radead.org,
	gregkh@...uxfoundation.org
Subject: [tip:x86/apic] x86, irq: Provide empty send_cleanup_vector()
  stub for UP builds

Commit-ID:  e70425eb31f79a802d601fd411fe694458c4561b
Gitweb:     http://git.kernel.org/tip/e70425eb31f79a802d601fd411fe694458c4561b
Author:     Jiang Liu <jiang.liu@...ux.intel.com>
AuthorDate: Mon, 27 Oct 2014 16:12:11 +0800
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Wed, 5 Nov 2014 11:04:46 +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 cb7917f..8dbe237 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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