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From: sboyd@codeaurora.org (Stephen Boyd)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: formalize an IPI for CPU wake-ups
Date: Mon, 30 Jul 2012 11:19:41 -0700	[thread overview]
Message-ID: <5016D03D.8010607@codeaurora.org> (raw)
In-Reply-To: <0e0201cd5f2f$2c2f6e60$848e4b20$%kim@samsung.com>

On 07/10/12 23:34, Kukjin Kim wrote:
> Stephen Boyd wrote:
>> Great. Kukjin Kim, can exynos use SGI0? It looks like exynos is the only
>> one left to move to SGI0.
>>
> Yeah, EXYNOS can use SGI0 instead of SGI1 :)
>
>

Russell, can we apply something like this?

diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach-exynos/platsmp.c
index 36c3984..090e32b 100644
--- a/arch/arm/mach-exynos/platsmp.c
+++ b/arch/arm/mach-exynos/platsmp.c
@@ -139,7 +139,7 @@ int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle)
 
 		__raw_writel(virt_to_phys(exynos4_secondary_startup),
 			CPU1_BOOT_REG);
-		gic_raise_softirq(cpumask_of(cpu), 1);
+		gic_raise_softirq(cpumask_of(cpu), 0);
 
 		if (pen_release == -1)
 			break;


I see we have another user of SGI1. Magnus/Rafael, can we move
smp-emev2.c to use SGI0 instead of SGI1?

-- 
Sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.

  reply	other threads:[~2012-07-30 18:19 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-11 15:54 [PATCH] ARM: formalize an IPI for CPU wake-ups Nicolas Pitre
2012-06-11 15:57 ` Russell King - ARM Linux
2012-06-11 16:44   ` Nicolas Pitre
2012-06-11 16:51     ` Russell King - ARM Linux
2012-06-11 17:18       ` Nicolas Pitre
2012-06-11 17:41         ` Stephen Boyd
2012-06-11 19:25           ` Russell King - ARM Linux
2012-06-20 16:32             ` Stephen Boyd
2012-07-11  6:34               ` Kukjin Kim
2012-07-30 18:19                 ` Stephen Boyd [this message]
2012-08-01  9:42                   ` Kukjin Kim
2012-08-06 20:41                     ` Colin Cross
2012-08-07 17:00                       ` Russell King - ARM Linux
2012-08-08  7:04                         ` Shilimkar, Santosh
2012-08-08 10:39                       ` Kukjin Kim
2012-08-08  6:52                   ` Magnus Damm
2012-08-13 22:09                     ` Stephen Boyd
2012-08-22 19:05                       ` Stephen Boyd
2012-08-22 21:23                         ` Magnus Damm
2012-08-29  7:21                         ` Stephen Boyd
2012-09-08 14:47                           ` Nicolas Pitre
2012-06-11 18:26         ` Russell King - ARM Linux
2012-06-11 18:40           ` Nicolas Pitre
2012-06-11 18:41             ` Russell King - ARM Linux
2012-06-11 19:11               ` Nicolas Pitre
2012-06-11 19:20                 ` Russell King - ARM Linux
2012-06-11 19:56                   ` Nicolas Pitre

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