* [PATCH] irqchip: bcm2836: Drop extra memory barrier in SMP boot.
@ 2016-02-04 21:14 Eric Anholt
2016-02-18 2:03 ` Jason Cooper
0 siblings, 1 reply; 2+ messages in thread
From: Eric Anholt @ 2016-02-04 21:14 UTC (permalink / raw)
To: Florian Fainelli
Cc: linux-rpi-kernel, linux-arm-kernel, linux-kernel, Stephen Warren,
Lee Jones, Thomas Gleixner, Jason Cooper, Marc Zyngier,
Eric Anholt
The writel() immediately after this has a barrier, anyway.
Signed-off-by: Eric Anholt <eric@anholt.net>
---
drivers/irqchip/irq-bcm2836.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/irqchip/irq-bcm2836.c b/drivers/irqchip/irq-bcm2836.c
index 963065a..b6e950d 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);
--
2.7.0
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] irqchip: bcm2836: Drop extra memory barrier in SMP boot.
2016-02-04 21:14 [PATCH] irqchip: bcm2836: Drop extra memory barrier in SMP boot Eric Anholt
@ 2016-02-18 2:03 ` Jason Cooper
0 siblings, 0 replies; 2+ messages in thread
From: Jason Cooper @ 2016-02-18 2:03 UTC (permalink / raw)
To: Eric Anholt
Cc: Florian Fainelli, linux-rpi-kernel, linux-arm-kernel,
linux-kernel, Stephen Warren, Lee Jones, Thomas Gleixner,
Marc Zyngier
On Thu, Feb 04, 2016 at 01:14:28PM -0800, Eric Anholt wrote:
> The writel() immediately after this has a barrier, anyway.
>
> Signed-off-by: Eric Anholt <eric@anholt.net>
> ---
> drivers/irqchip/irq-bcm2836.c | 1 -
> 1 file changed, 1 deletion(-)
Applied to irqchip/core
thx,
Jason.
^ permalink raw reply [flat|nested] 2+ messages in thread
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2016-02-04 21:14 [PATCH] irqchip: bcm2836: Drop extra memory barrier in SMP boot Eric Anholt
2016-02-18 2:03 ` Jason Cooper
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