Re: [Xen-devel] KEXEC: fix kexec_get_range_compat to fail vocally

[Keir Fraser <keir@xxxxxxx>]

On 05/12/2011 11:35, "Andrew Cooper" <andrew.cooper3@xxxxxxxxxx> 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



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