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From:   Linus Torvalds <torvalds@linux-foundation.org>
Date:   Wed, 15 Jan 2020 12:10:32 -0800
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Subject: Re: [RFC PATCH 00/14] pipe: Keyrings, Block and USB notifications
 [ver #3]
To:     David Howells <dhowells@redhat.com>
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Casey Schaufler <casey@schaufler-ca.com>,
        Stephen Smalley <sds@tycho.nsa.gov>,
        Nicolas Dichtel <nicolas.dichtel@6wind.com>,
        Ian Kent <raven@themaw.net>,
        Christian Brauner <christian@brauner.io>,
        keyrings@vger.kernel.org, linux-usb@vger.kernel.org,
        linux-block <linux-block@vger.kernel.org>,
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So I no longer hate the implementation, but I do want to see the
actual user space users come out of the woodwork and try this out for
their use cases.

I'd hate to see a new event queue interface that people then can't
really use due to it not fulfilling their needs, or can't use for some
other reason.

We've had a fair number of kernel interfaces that ended up not being
used all that much, but had one or two minor users and ended up being
nasty long-term maintenance issues.. I don't want this to become yet
another such one.

                 Linus