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From: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Date: Fri, 28 Jul 2017 11:16:49 +0200
Message-ID: <CAExDi1QnPdUfrLgAzJUq=4ZQ9r+cLF26oyq=rm20bLj0XAYZiQ@mail.gmail.com>
Subject: Re: [PATCH] thread_info: suppress sparse warning in check_copy_size()
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: AbdAllah-MEZITI <abdallah.meziti.pro@gmail.com>, luto@kernel.org,
        Mark Rutland <mark.rutland@arm.com>, Kees Cook <keescook@chromium.org>,
        Ingo Molnar <mingo@kernel.org>,
        Heiko Carstens <heiko.carstens@de.ibm.com>,
        Kyle Huey <me@kylehuey.com>, Sahara <keun-o.park@darkmatter.ae>,
        Al Viro <viro@zeniv.linux.org.uk>, lkml <linux-kernel@vger.kernel.org>,
        Linux-Sparse <linux-sparse@vger.kernel.org>,
        Lance Richardson <lrichard@redhat.com>,
        Johannes Berg <johannes@sipsolutions.net>
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On Thu, Jul 27, 2017 at 12:41 AM, Linus Torvalds
<torvalds@linux-foundation.org> wrote:
> This is wrong. The sparse version of __compiletime_object_size()
> should just be fixed to take a 'const' pointer without complaints.

The underlying __builtin_object_size() has been fixed in the sparse tree
6 months ago or so.

-- Luc