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authorVenkat Subbiah <venkat.subbiah@cavium.com>2011-10-03 13:31:10 -0700
committerRalf Baechle <ralf@linux-mips.org>2011-11-08 12:35:30 +0000
commite63fb7a9dae820b3ff6754f794fd713f83e32fff (patch)
treef98ad0efd9f4d7fae518f25e4ab4c67b23951525 /arch/mips/cavium-octeon
parentdf55a66addf87bc21ef5678bea238f2c1b2db48a (diff)
MIPS: Octeon: Mark SMP-IPI interrupt as IRQF_NO_THREAD
This is to exclude it from force threading to allow RT patch set to work. And while on this line * Remove IRQF_DISABLED as as this flag is NOOP * Add IRQF_PERCPU as this is a per cpu interrupt. Signed-off-by: Venkat Subbiah <venkat.subbiah@cavium.com> Acked-by: David Daney <david.daney@cavium.com> To: linux-mips@linux-mips.org To: linux-rt-users@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/2817/ Acked-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/cavium-octeon')
-rw-r--r--arch/mips/cavium-octeon/smp.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/mips/cavium-octeon/smp.c b/arch/mips/cavium-octeon/smp.c
index 8b606423bbd..efcfff4d462 100644
--- a/arch/mips/cavium-octeon/smp.c
+++ b/arch/mips/cavium-octeon/smp.c
@@ -207,8 +207,9 @@ void octeon_prepare_cpus(unsigned int max_cpus)
* the other bits alone.
*/
cvmx_write_csr(CVMX_CIU_MBOX_CLRX(cvmx_get_core_num()), 0xffff);
- if (request_irq(OCTEON_IRQ_MBOX0, mailbox_interrupt, IRQF_DISABLED,
- "SMP-IPI", mailbox_interrupt)) {
+ if (request_irq(OCTEON_IRQ_MBOX0, mailbox_interrupt,
+ IRQF_PERCPU | IRQF_NO_THREAD, "SMP-IPI",
+ mailbox_interrupt)) {
panic("Cannot request_irq(OCTEON_IRQ_MBOX0)\n");
}
}