Re: [PATCH 11/22] KVM: MMU: Add infrastructure for two-level page walker

Avi Kivity
2010-04-27T12:34:13Z

On 04/27/2010 01:38 PM, Joerg Roedel wrote:
> This patch introduces a mmu-callback to translate gpa
> addresses in the walk_addr code. This is later used to
> translate l2_gpa addresses into l1_gpa addresses.
>
> +static inline gfn_t gpa_to_gfn(gpa_t gpa)
> +{
> + return (gfn_t)gpa>> PAGE_SHIFT;
> +}
> +
>

This overflows on 32-bit, since gpa_t is u64 and gfn_t is ulong.

--
error compiling committee.c: too many arguments to function