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From: ming.lei@canonical.com (Ming Lei)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm64: annotate irq off before schedule
Date: Thu, 10 Dec 2015 14:04:41 +0800	[thread overview]
Message-ID: <CACVXFVOg5Gr9=EKtZq8306Q7G4oKqsNBV8Gdqaoi1C8DCCgucQ@mail.gmail.com> (raw)
In-Reply-To: <20151209105501.GC26759@e104818-lin.cambridge.arm.com>

On Wed, Dec 9, 2015 at 6:55 PM, Catalin Marinas <catalin.marinas@arm.com> wrote:
> On Wed, Dec 09, 2015 at 03:23:49PM +0800, Ming Lei wrote:
>> diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S
>> index 7ed3d75..4769190 100644
>> --- a/arch/arm64/kernel/entry.S
>> +++ b/arch/arm64/kernel/entry.S
>> @@ -634,6 +634,9 @@ work_pending:
>>       bl      do_notify_resume
>>       b       ret_to_user
>>  work_resched:
>> +#ifdef CONFIG_TRACE_IRQFLAGS
>> +     bl      trace_hardirqs_off
>> +#endif
>>       bl      schedule
>
> I think Will already queued a similar patch, though he hasn't pushed it
> out yet.

I tested the misc-patches branch of Will's tree on kerne.org, and looks
the locpdep warning still can be observed.

Thanks,

>
> --
> Catalin
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2015-12-10  6:04 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-09  7:23 [PATCH] arm64: annotate irq off before schedule Ming Lei
2015-12-09 10:55 ` Catalin Marinas
2015-12-10  6:04   ` Ming Lei [this message]
2015-12-10 10:31     ` Will Deacon

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