From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keir Fraser <keir@xen.org>
Subject: Re: KEXEC: fix kexec_get_range_compat to fail vocally
Date: Mon, 05 Dec 2011 19:46:33 +0000
Message-ID: <CB02D019.34FCD%keir@xen.org>
References: <4EDCAC68.8060303@citrix.com>
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To: Andrew Cooper <andrew.cooper3@citrix.com>, "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
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On 05/12/2011 11:35, "Andrew Cooper" <andrew.cooper3@citrix.com> wrote:

> I am not sure that this is the only instance, but it is really not
> acceptable to hand truncated pointers or sizes for physical memory to dom0.

I applied as c/s 24358 but I changed the mask-checking arithmetic a bit. Not
only is it now shorter, I'm also more certain that it is correct: It looks
to me like ~((unsigned int)-1) performs the ~ before promotion to unsigned
long, hence this term ends up as 0 rather than 0xffffffff00000000.

 -- Keir