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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: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Thomas Gleixner 2011-10-05 02:30:50 +00:00 committed by Benjamin Herrenschmidt
parent 5f20b85dc2
commit 3b5e16d7ad
3 changed files with 5 additions and 4 deletions
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3
arch/powerpc/kernel/smp.c
View File

@ -187,7 +187,8 @@ int smp_request_message_ipi(int virq, int msg)
return 1; return 1;
} }
#endif #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); smp_ipi_name[msg], 0);
WARN(err < 0, "unable to request_irq %d for %s (rc %d)\n", WARN(err < 0, "unable to request_irq %d for %s (rc %d)\n",
virq, smp_ipi_name[msg], err); virq, smp_ipi_name[msg], err);

4
arch/powerpc/platforms/powermac/smp.c
View File

@ -200,7 +200,7 @@ static int psurge_secondary_ipi_init(void)
if (psurge_secondary_virq) if (psurge_secondary_virq)
rc = request_irq(psurge_secondary_virq, psurge_ipi_intr, rc = request_irq(psurge_secondary_virq, psurge_ipi_intr,
IRQF_PERCPU, "IPI", NULL); IRQF_PERCPU | IRQF_NO_THREAD, "IPI", NULL);
if (rc) if (rc)
pr_err("Failed to setup secondary cpu IPI\n"); 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 = { static struct irqaction psurge_irqaction = {
.handler = psurge_ipi_intr, .handler = psurge_ipi_intr,
.flags = IRQF_PERCPU, .flags = IRQF_PERCPU | IRQF_NO_THREAD,
.name = "primary IPI", .name = "primary IPI",
}; };

2
arch/powerpc/sysdev/xics/xics-common.c
View File

@ -137,7 +137,7 @@ static void xics_request_ipi(void)
* IPIs are marked IRQF_PERCPU. The handler was set in map. * IPIs are marked IRQF_PERCPU. The handler was set in map.
*/ */
BUG_ON(request_irq(ipi, icp_ops->ipi_action, 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) int __init xics_smp_probe(void)