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From: Tony Lindgren <tony@atomide.com>
To: Yi Zheng <goodmenzy@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	linux-kernel@vger.kernel.org, Jason Cooper <jason@lakedaemon.net>,
	Sekhar Nori <nsekhar@ti.com>, Zheng Yi <yzheng@techyauld.com>
Subject: Re: Maybe a bug in kernel/irq/chip.c unmask_irq(), device IRQ masked unexpectedly. (re-formated the mail body, sorry)
Date: Thu, 10 Oct 2019 06:51:38 -0700	[thread overview]
Message-ID: <20191010135138.GU5610@atomide.com> (raw)
In-Reply-To: <CAJPHfYPkPSguU8vvZWbkeinZz1F7SSkcxJk6AAyTBKVfqNoGJw@mail.gmail.com>

* Yi Zheng <goodmenzy@gmail.com> [191010 06:22]:
> Hi
> 
>    My patch is canceled. I have tested that simple adjustment, the
> device IRQ masked unexpectedly. It seems that it is more easily to
> occur with that patch.
> 
> So, the root cause is not found yet.

OK. Based on your description, it could be a missing flush of a
posted write somewhere in the gpio-omap or intc path.

Regards,

Tony

  reply	other threads:[~2019-10-10 13:51 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-08 13:04 Maybe a bug in kernel/irq/chip.c unmask_irq(), device IRQ masked unexpectedly. (re-formated the mail body, sorry) Yi Zheng
2019-10-09 17:45 ` Tony Lindgren
2019-10-10  6:20   ` Yi Zheng
2019-10-10 13:51     ` Tony Lindgren [this message]
2019-10-14 12:34 ` Thomas Gleixner
2019-10-14 14:51   ` Yi Zheng

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