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Date: Sat, 27 May 2017 01:44:14 -0700
From: Christoph Hellwig <>
To: Kees Cook <>
Cc:, Laura Abbott <>,,
Subject: Re: [PATCH v2 12/20] sgi-xp: Use designated initializers

On Fri, May 26, 2017 at 01:17:16PM -0700, Kees Cook wrote:
> Prepare to mark sensitive kernel structures for randomization by making
> sure they're using designated initializers. These were identified during
> allyesconfig builds of x86, arm, and arm64, with most initializer fixes
> extracted from grsecurity.
> To avoid casting, this implements dummy functions with full function
> prototypes.

Can we get this in ASAP?

> +static void xpc_notloaded_connect(int ch_number)
> +{ }
> +
> +static void xpc_notloaded_disconnect(int ch_number)
> +{ }

Also it might be a good idea to just check in the caller if the
methods are defined instead of having all these dummys.  A branch
is usually cheaper than an indirect call, AND it leads to less code,
AND is is less fragile.

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