From: Eric Anholt Date: Thu, 4 Feb 2016 21:14:28 +0000 (-0800) Subject: irqchip/bcm2836: Drop extra memory barrier in SMP boot. X-Git-Tag: v4.6-rc1~151^2~28^2~1 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=b6bc902ddca18749253093f5f8dc15391d8c2356;p=linux.git irqchip/bcm2836: Drop extra memory barrier in SMP boot. The writel() immediately after this has a barrier, anyway. Signed-off-by: Eric Anholt Link: https://lkml.kernel.org/r/1454620468-31303-1-git-send-email-eric@anholt.net Signed-off-by: Jason Cooper --- diff --git a/drivers/irqchip/irq-bcm2836.c b/drivers/irqchip/irq-bcm2836.c index 963065a0d774..b6e950d4782a 100644 --- a/drivers/irqchip/irq-bcm2836.c +++ b/drivers/irqchip/irq-bcm2836.c @@ -229,7 +229,6 @@ int __init bcm2836_smp_boot_secondary(unsigned int cpu, unsigned long secondary_startup_phys = (unsigned long)virt_to_phys((void *)secondary_startup); - dsb(); writel(secondary_startup_phys, intc.base + LOCAL_MAILBOX3_SET0 + 16 * cpu);