linux-kernel - Re: [RESEND PATCH v2] eventfd: use wait_event_interruptible_locked

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Message-ID: <43fd324c-585c-d85b-230c-5b086e1aaa2c@kernel.dk>
Date:   Wed, 5 Apr 2023 13:26:46 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     wenyang.linux@...mail.com, Alexander Viro <viro@...iv.linux.org.uk>
Cc:     Eric Biggers <ebiggers@...gle.com>, Christoph Hellwig <hch@....de>,
        Dylan Yudaken <dylany@...com>,
        David Woodhouse <dwmw@...zon.co.uk>, Fu Wei <wefu@...hat.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Michal Nazarewicz <m.nazarewicz@...sung.com>,
        Matthew Wilcox <willy@...radead.org>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RESEND PATCH v2] eventfd: use
 wait_event_interruptible_locked_irq() helper

On 4/5/23 1:20 PM, wenyang.linux@...mail.com wrote:
> From: Wen Yang <wenyang.linux@...mail.com>
> 
> wait_event_interruptible_locked_irq was introduced by commit 22c43c81a51e
> ("wait_event_interruptible_locked() interface"), but older code such as
> eventfd_{write,read} still uses the open code implementation.
> Inspired by commit 8120a8aadb20
> ("fs/timerfd.c: make use of wait_event_interruptible_locked_irq()"), this
> patch replaces the open code implementation with a single macro call.
> 
> No functional change intended.

Looks pretty reasonable to me. How did you test it?

-- 
Jens Axboe