linux-kernel - Re: [intel-sgx-kernel-dev] [PATCH v4 06/12] fs/pipe.c: export create_pipe_files() and replace

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Message-ID: <20171023025539.epe763bvwuw5oadu@linux.intel.com>
Date:   Mon, 23 Oct 2017 05:55:39 +0300
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Dave Hansen <dave.hansen@...el.com>
Cc:     Christoph Hellwig <hch@...radead.org>, viro@...iv.linux.org.uk,
        linux-kernel@...r.kernel.org, intel-sgx-kernel-dev@...ts.01.org,
        platform-driver-x86@...r.kernel.org
Subject: Re: [intel-sgx-kernel-dev] [PATCH v4 06/12] fs/pipe.c: export
 create_pipe_files() and replace_fd()

On Fri, Oct 20, 2017 at 07:32:42AM -0700, Dave Hansen wrote:
> I've always been curious, and the changelog and thread are curiously
> oblique on this topic: what the heck does this driver use pipes *for*?

For communication with the process hosting the launch enclave.

/Jarkko