In mm/slab.c the function do_ccupdate_local requires that interrupts
be disabled. If they are not, we panic with CONFIG_DEBUG_SLAB.
So we disable interrupts while processing IPIs. Also these are not
shared irqs, so get rid of the IRQF_SHARED flag.
Signed-off-by: David Daney <ddaney@xxxxxxxxxxxxxxxxxx>
---
arch/mips/cavium-octeon/smp.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/mips/cavium-octeon/smp.c b/arch/mips/cavium-octeon/smp.c
index 0b891a9..32d51a3 100644
--- a/arch/mips/cavium-octeon/smp.c
+++ b/arch/mips/cavium-octeon/smp.c
@@ -194,11 +194,11 @@ static void octeon_init_secondary(void)
void octeon_prepare_cpus(unsigned int max_cpus)
{
cvmx_write_csr(CVMX_CIU_MBOX_CLRX(cvmx_get_core_num()), 0xffffffff);
- if (request_irq(OCTEON_IRQ_MBOX0, mailbox_interrupt, IRQF_SHARED,
+ if (request_irq(OCTEON_IRQ_MBOX0, mailbox_interrupt, IRQF_DISABLED,
"mailbox0", mailbox_interrupt)) {
panic("Cannot request_irq(OCTEON_IRQ_MBOX0)\n");
}
- if (request_irq(OCTEON_IRQ_MBOX1, mailbox_interrupt, IRQF_SHARED,
+ if (request_irq(OCTEON_IRQ_MBOX1, mailbox_interrupt, IRQF_DISABLED,
"mailbox1", mailbox_interrupt)) {
panic("Cannot request_irq(OCTEON_IRQ_MBOX1)\n");
}
--
1.6.0.6
