linux-kernel - Re: [PATCH 0/2] pipe: Fixes [ver #2]

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Message-ID: <935.1576742190@warthog.procyon.org.uk>
Date:   Thu, 19 Dec 2019 07:56:30 +0000
From:   David Howells <dhowells@...hat.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     dhowells@...hat.com, Josh Triplett <josh@...htriplett.org>,
        Konstantin Khlebnikov <khlebnikov@...dex-team.ru>,
        Akemi Yagi <toracat@...epo.org>, DJ Delorie <dj@...hat.com>,
        David Sterba <dsterba@...e.cz>,
        Eric Biggers <ebiggers@...nel.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>,
        Vincent Guittot <vincent.guittot@...aro.org>
Subject: Re: [PATCH 0/2] pipe: Fixes [ver #2]

Linus Torvalds <torvalds@...ux-foundation.org> wrote:

> If I were to actually commit it, the "split into two waitqueues" would
> be a separate patch from the "use wait_event_interruptible_exclusive()
> and add "wake_next_reader/writer logic", but for testing purposes the
> unified patch was simpler, and your forward port looks good to me.

I looked at splitting the waitqueue in to two, but it makes poll tricky.

David