From: Santosh Shilimkar <santosh.shilimkar@ti.com>
To: balbi@ti.com, Tony Lindgren <tony@atomide.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Linux OMAP Mailing List <linux-omap@vger.kernel.org>,
Linux ARM Kernel Mailing List
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH] arm: omap: make wakeupgen_lock raw
Date: Fri, 25 Jan 2013 13:21:49 +0530 [thread overview]
Message-ID: <51023995.1050703@ti.com> (raw)
In-Reply-To: <20130124182159.GL4424@arwen.pp.htv.fi>
On Thursday 24 January 2013 11:52 PM, Felipe Balbi wrote:
> Hi,
>
> On Fri, Dec 07, 2012 at 04:49:47PM +0200, Felipe Balbi wrote:
>> From: Thomas Gleixner <tglx@linutronix.de>
>>
>> When applying RT patch on top of Linux, spinlocks are
>> implemented as RT-mutexes, which means they are preemptable.
>>
>> Current GIC implementation on OMAP is using a spinlock
>> to protect against preemption. As it turns out, we need
>> to convert that lock into a raw_spinlock so that OMAP's
>> interrupt controller works as expected after RT-patch
>> is applied.
>>
>> This patch is simply to decrease the amount of changes
>> RT-team needs to carry out of tree. It doesn't cause any
>> changes in behavior.
>>
>> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
>> Signed-off-by: Felipe Balbi <balbi@ti.com>
>
Sorry i missed this patch. Tony can you please
pick it up?
For the patch,
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
WARNING: multiple messages have this Message-ID (diff)
From: santosh.shilimkar@ti.com (Santosh Shilimkar)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm: omap: make wakeupgen_lock raw
Date: Fri, 25 Jan 2013 13:21:49 +0530 [thread overview]
Message-ID: <51023995.1050703@ti.com> (raw)
In-Reply-To: <20130124182159.GL4424@arwen.pp.htv.fi>
On Thursday 24 January 2013 11:52 PM, Felipe Balbi wrote:
> Hi,
>
> On Fri, Dec 07, 2012 at 04:49:47PM +0200, Felipe Balbi wrote:
>> From: Thomas Gleixner <tglx@linutronix.de>
>>
>> When applying RT patch on top of Linux, spinlocks are
>> implemented as RT-mutexes, which means they are preemptable.
>>
>> Current GIC implementation on OMAP is using a spinlock
>> to protect against preemption. As it turns out, we need
>> to convert that lock into a raw_spinlock so that OMAP's
>> interrupt controller works as expected after RT-patch
>> is applied.
>>
>> This patch is simply to decrease the amount of changes
>> RT-team needs to carry out of tree. It doesn't cause any
>> changes in behavior.
>>
>> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
>> Signed-off-by: Felipe Balbi <balbi@ti.com>
>
Sorry i missed this patch. Tony can you please
pick it up?
For the patch,
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
next prev parent reply other threads:[~2013-01-25 7:50 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-07 14:49 [PATCH] arm: omap: make wakeupgen_lock raw Felipe Balbi
2012-12-07 14:49 ` Felipe Balbi
2013-01-24 18:22 ` Felipe Balbi
2013-01-24 18:22 ` Felipe Balbi
2013-01-25 7:51 ` Santosh Shilimkar [this message]
2013-01-25 7:51 ` Santosh Shilimkar
2013-02-01 22:38 ` Tony Lindgren
2013-02-01 22:38 ` Tony Lindgren
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