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authorThomas Gleixner <tglx@linutronix.de>2011-10-05 02:30:50 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-11-25 14:14:38 +1100
commit3b5e16d7ad0cf4b03a0650092a6fdcb27b536a82 (patch)
tree82ba5325c00278baf87e80c02af4d914c6ecb3ee
parent5f20b85dc22facf2335205b6569c86c0f8239e81 (diff)
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>
-rw-r--r--arch/powerpc/kernel/smp.c3
-rw-r--r--arch/powerpc/platforms/powermac/smp.c4
-rw-r--r--arch/powerpc/sysdev/xics/xics-common.c2
3 files changed, 5 insertions, 4 deletions
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 6df70907d60..f0abe92f63f 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -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);
diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c
index 9b6a820bdd7..e6f7378f4a4 100644
--- a/arch/powerpc/platforms/powermac/smp.c
+++ b/arch/powerpc/platforms/powermac/smp.c
@@ -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",
};
diff --git a/arch/powerpc/sysdev/xics/xics-common.c b/arch/powerpc/sysdev/xics/xics-common.c
index 63762c672a0..d72eda6a4c0 100644
--- a/arch/powerpc/sysdev/xics/xics-common.c
+++ b/arch/powerpc/sysdev/xics/xics-common.c
@@ -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)