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From: Bartosz Golaszewski <brgl@bgdev.pl>
To: Piyush Malgujar <pmalgujar@marvell.com>
Cc: "open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	devicetree <devicetree@vger.kernel.org>,
	Linus Walleij <linus.walleij@linaro.org>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Robert Richter <rric@kernel.org>,
	cchavva@marvell.com, wsadowski@marvell.com
Subject: Re: [PATCH 1/5] gpio: thunderx: avoid potential deadlock
Date: Mon, 2 May 2022 13:18:49 +0200	[thread overview]
Message-ID: <CAMRc=Mf91eMF7D6CRtA8-HQ7pdtP343WUGhLG4qti_9zJF4ELQ@mail.gmail.com> (raw)
In-Reply-To: <20220427144620.9105-2-pmalgujar@marvell.com>

On Wed, Apr 27, 2022 at 4:46 PM Piyush Malgujar <pmalgujar@marvell.com> wrote:
>
> Using irqsave/irqrestore locking variants to avoid any deadlock.
>

I see you'll be resending this anyway so would you mind providing an
example of a deadlock that is possible with no-irqsave variants?
Thanks.

Bart

> Signed-off-by: Piyush Malgujar <pmalgujar@marvell.com>
> ---

  reply	other threads:[~2022-05-02 11:19 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-27 14:46 [PATCH 0/5] gpio: thunderx: Marvell GPIO changes Piyush Malgujar
2022-04-27 14:46 ` [PATCH 1/5] gpio: thunderx: avoid potential deadlock Piyush Malgujar
2022-05-02 11:18   ` Bartosz Golaszewski [this message]
2022-05-25 13:17     ` Piyush Malgujar
2022-05-31 17:30       ` Bartosz Golaszewski
2022-04-27 14:46 ` [PATCH 2/5] dt-bindings: gpio: gpio-thunderx: Describe pin-cfg option Piyush Malgujar
2022-05-01 22:15   ` Linus Walleij
2022-06-03  9:06     ` Piyush Malgujar
2022-06-03 10:35       ` Linus Walleij
2022-06-13  8:04         ` Piyush Malgujar
2022-06-25 22:59           ` Linus Walleij
2022-06-26 10:40             ` Krzysztof Kozlowski
2022-04-27 14:46 ` [PATCH 3/5] gpio: thunderx: Configure GPIO pins at probe Piyush Malgujar
2022-04-28  1:59   ` kernel test robot
2022-04-27 14:46 ` [PATCH 4/5] gpio: thunderx: extend PIN_SEL_MASK to cover otx2 platform Piyush Malgujar
2022-04-27 14:46 ` [PATCH 5/5] gpio: thunderx: change handler for level interrupt Piyush Malgujar
2022-05-01 22:17   ` Linus Walleij

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