Commit 2372a519 authored Jul 04, 2017 by Geert Uytterhoeven Committed by Thomas Gleixner Jul 04, 2017

genirq: Force inlining of __irq_startup_managed to prevent build failure



If CONFIG_SMP=n, and gcc (e.g. 4.1.2) decides not to inline
__irq_startup_managed(), the build fails with:

    kernel/built-in.o: In function `irq_startup':
    (.text+0x38ed8): undefined reference to `irq_set_affinity_locked'

Fix this by forcing inlining of __irq_startup_managed().

Fixes: 761ea388 ("genirq: Handle managed irqs gracefully in irq_startup()")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Arnd Bergmann <arnd@arndb.de>
Link: http://lkml.kernel.org/r/1499162761-12398-1-git-send-email-geert@linux-m68k.org

parent e5682b4e

kernel/irq/chip.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -234,7 +234,7 @@ __irq_startup_managed(struct irq_desc desc, struct cpumask aff, bool force)
		return IRQ_STARTUP_MANAGED;
		}
		#else
		static int
		static __always_inline int
		__irq_startup_managed(struct irq_desc desc, struct cpumask aff, bool force)
		{
		return IRQ_STARTUP_NORMAL;

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