From: Markus Elfring <Markus.Elfring@web.de>
To: Jim Liu <JJLIU0@nuvoton.com>,
openbmc@lists.ozlabs.org, linux-gpio@vger.kernel.org,
kernel-janitors@vger.kernel.org,
Bartosz Golaszewski <brgl@bgdev.pl>,
Dan Carpenter <dan.carpenter@linaro.org>,
Linus Walleij <linus.walleij@linaro.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
Jim Liu <jim.t90615@gmail.com>,
KWLIU@nuvoton.com
Subject: Re: [PATCH v3] gpio: nuvoton: Fix sgpio irq handle error
Date: Fri, 3 May 2024 18:30:12 +0200 [thread overview]
Message-ID: <f616ab40-68a1-4f80-9bb9-c80214d087c5@web.de> (raw)
In-Reply-To: <20240429070523.3160248-1-JJLIU0@nuvoton.com>
> The generic_handle_domain_irq() function calls irq_resolve_mapping()
> so calling irq_find_mapping() is duplicative and will lead to a stack
> trace and an RCU stall.
Can a wording approach (like the following) be a bit nicer?
The generic_handle_domain_irq() function calls irq_resolve_mapping().
Thus delete a duplicative irq_find_mapping() call
so that a stack trace and an RCU stall will be avoided.
Regards,
Markus
prev parent reply other threads:[~2024-05-03 16:35 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-29 7:05 [PATCH v3] gpio: nuvoton: Fix sgpio irq handle error Jim Liu
2024-05-03 8:36 ` Linus Walleij
2024-05-03 11:56 ` Dan Carpenter
2024-05-03 16:30 ` Markus Elfring [this message]
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