From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Subject: Re: [intel-sgx-kernel-dev] [PATCH v4 06/12] fs/pipe.c: export
 create_pipe_files() and replace_fd()
Date: Mon, 23 Oct 2017 05:55:39 +0300
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To: Dave Hansen <dave.hansen@intel.com>
Cc: Christoph Hellwig <hch@infradead.org>, viro@zeniv.linux.org.uk, linux-kernel@vger.kernel.org, intel-sgx-kernel-dev@lists.01.org, platform-driver-x86@vger.kernel.org

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