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xen-devel
Re: [Xen-devel] [rfc] [patch] more 'long' in the hypervisor interface
* Hollis Blanchard (hollisb@xxxxxxxxxx) wrote:
> Hi Keir, we've come across some more users of 'long' in the hypervisor
> interface: xen/include/public/memory.h. Unlike the dom0_ops, we can't
> just change these to be 64 bits because 32-bit kernels use these
> structures for the balloon driver.
>
> I would like to create a new type, say "legacy_ulong_t", to cover these
> cases and future instances we'll undoubtedly come across. What do you
> think?
>
> Signed-off-by: Hollis Blanchard <hollisb@xxxxxxxxxx>
>
> diff -r 10db0f8c710d xen/include/public/arch-x86_64.h
> --- a/xen/include/public/arch-x86_64.h Wed Jun 28 15:37:45 2006 -0400
> +++ b/xen/include/public/arch-x86_64.h Wed Jun 28 16:02:21 2006 -0500
> @@ -104,6 +104,8 @@ DEFINE_XEN_GUEST_HANDLE(xen_pfn_t);
> #define MAX_VIRT_CPUS 32
>
> #ifndef __ASSEMBLY__
> +
> +typedef unsigned long legacy_ulong_t;
What is legacy about it, this looks quite odd, and I don't think will
build on i386.
thanks,
-chris
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