linux-kernel - Re: [PATCH v5 09/11] fs/pipe.c: export create_pipe_files() and replace

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Message-ID: <20171120223035.wsnnfsawuu6fkt3l@linux.intel.com>
Date:   Tue, 21 Nov 2017 00:30:35 +0200
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     platform-driver-x86@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>,
        Al Viro <viro@...iv.linux.org.uk>
Subject: Re: [PATCH v5 09/11] fs/pipe.c: export create_pipe_files() and
 replace_fd()

On Thu, Nov 16, 2017 at 10:15:42AM +0100, Thomas Gleixner wrote:
> On Mon, 13 Nov 2017, Jarkko Sakkinen wrote:
> 
> + Cc: Al
> 
> - Cc: that intel sgx list because it's moderated and spams my inbox with
>       useless moderation mails.

I guess I'll have to apply for vger.kernel.org list then.

> > Exported create_pipe_files() and replace_fd() because the SGX driver
> > needs to be able to setup pipes in order to communicate with the helper
> > process that hosts the Launch Enclave (LE). The pipe creation will be
> > done in the init-callback supplied to call_usermodehelper_setup().
> > 
> > The driver will use two pipes for communication with the LE hosting
> > process:
> > 
> > * One for writing SIGSTRUCT blobs.
> > * One for reading EINITTOKEN blobs.
> 
> Can you pretty please make sure that people who maintain the affected code
> are CC'd on your changes?

Yes. I actually have written a script to collect everything and pass to
--cc-cmd command that I use with TPM stuff and I forgot it from
my send-email command line when I've sent these series.

/Jarkko