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Commit b6cf2583 authored by Eric W. Biederman's avatar Eric W. Biederman Committed by Linus Torvalds
Browse files

[PATCH] genirq: ia64 irq: Dynamic irq support 



[akpm@osdl.org: build fix]
Signed-off-by: default avatarEric W. Biederman <ebiederm@xmission.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Rajesh Shah <rajesh.shah@intel.com>
Cc: Andi Kleen <ak@muc.de>
Cc: "Protasevich, Natalie" <Natalie.Protasevich@UNISYS.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 3a16d713

arch/ia64/kernel/irq_ia64.c

+20 −0
Original line number Diff line number Diff line
@@ -30,6 +30,7 @@ 
#include <linux/smp_lock.h>

#include <linux/threads.h>

#include <linux/bitops.h>

#include <linux/irq.h>



#include <asm/delay.h>

#include <asm/intrinsics.h>
@@ -105,6 +106,25 @@ reserve_irq_vector (int vector) 
	return test_and_set_bit(pos, ia64_vector_mask);

}



/*

 * Dynamic irq allocate and deallocation for MSI

 */

int create_irq(void)

{

	int vector = assign_irq_vector(AUTO_ASSIGN);



	if (vector >= 0)

		dynamic_irq_init(vector);



	return vector;

}



void destroy_irq(unsigned int irq)

{

	dynamic_irq_cleanup(irq);

	free_irq_vector(irq);

}



#ifdef CONFIG_SMP

#	define IS_RESCHEDULE(vec)	(vec == IA64_IPI_RESCHEDULE)

#else