Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 3b5e16d7 authored by Thomas Gleixner's avatar Thomas Gleixner Committed by Benjamin Herrenschmidt
Browse files

powerpc: Mark IPI interrupts IRQF_NO_THREAD 



IPI handlers cannot be threaded. Remove the obsolete IRQF_DISABLED
flag (see commit e58aa3d2) while at it.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent 5f20b85d

arch/powerpc/kernel/smp.c

+2 −1
Original line number Diff line number Diff line
@@ -187,7 +187,8 @@ int smp_request_message_ipi(int virq, int msg) 
		return 1;

	}

#endif

	err = request_irq(virq, smp_ipi_action[msg], IRQF_PERCPU,

	err = request_irq(virq, smp_ipi_action[msg],

			  IRQF_PERCPU | IRQF_NO_THREAD,

			  smp_ipi_name[msg], 0);

	WARN(err < 0, "unable to request_irq %d for %s (rc %d)\n",

		virq, smp_ipi_name[msg], err);

arch/powerpc/platforms/powermac/smp.c

+2 −2
Original line number Diff line number Diff line
@@ -200,7 +200,7 @@ static int psurge_secondary_ipi_init(void) 


	if (psurge_secondary_virq)

		rc = request_irq(psurge_secondary_virq, psurge_ipi_intr,

			IRQF_PERCPU, "IPI", NULL);

			IRQF_PERCPU | IRQF_NO_THREAD, "IPI", NULL);



	if (rc)

		pr_err("Failed to setup secondary cpu IPI\n");
@@ -408,7 +408,7 @@ static int __init smp_psurge_kick_cpu(int nr) 


static struct irqaction psurge_irqaction = {

	.handler = psurge_ipi_intr,

	.flags = IRQF_PERCPU,

	.flags = IRQF_PERCPU | IRQF_NO_THREAD,

	.name = "primary IPI",

};

arch/powerpc/sysdev/xics/xics-common.c

+1 −1
Original line number Diff line number Diff line
@@ -137,7 +137,7 @@ static void xics_request_ipi(void) 
	 * IPIs are marked IRQF_PERCPU. The handler was set in map.

	 */

	BUG_ON(request_irq(ipi, icp_ops->ipi_action,

			   IRQF_PERCPU, "IPI", NULL));

			   IRQF_PERCPU | IRQF_NO_THREAD, "IPI", NULL));

}



int __init xics_smp_probe(void)