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Date: Thu, 28 Apr 2016 11:04:27 +0200
From: Ingo Molnar <mingo@kernel.org>
To: Kees Cook <keescook@chromium.org>
Cc: Yinghai Lu <yinghai@kernel.org>, Baoquan He <bhe@redhat.com>,
        Borislav Petkov <bp@suse.de>, Ingo Molnar <mingo@redhat.com>,
        "x86@kernel.org" <x86@kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>,
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        Josh Poimboeuf <jpoimboe@redhat.com>,
        Andy Lutomirski <luto@kernel.org>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2] x86/boot: Rename overlapping memcpy() to memmove()
Message-ID: <20160428090427.GB5773@gmail.com>
References: <20160426214606.GA5758@www.outflux.net>
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* Kees Cook <keescook@chromium.org> wrote:

> +void *memcpy(void *dest, const void *src, size_t n)

btw., if there's any doubt about other overlapping uses, we could add this to 
memcpy():

  WARN_ON_ONCE(dest > src && dest-src < n);

or so? Does printk() work so early on?

Thanks,

	Ingo