Re: [Xen-devel] [PATCH] xen: fix sparse warning in p2m.c

[David Vrabel <david.vrabel@xxxxxxxxxx>]

On 05/12/14 06:16, Juergen Gross wrote:
> The patch "Speed up set_phys_to_machine() by using read-only mappings"
> introduced a sparse warning:
> 
> arch/x86/xen/p2m.c:628:13: sparse: incorrect type in argument 1
>                            (different address spaces)
> 
> Avoid the warning.

Thanks.

But can you add some helper functions instead?  Perhaps:

static inline int xen_safe_write_ulong(unsigned long *addr,
    unsigned long val)
{
    //...
}

static inline int xen_safe_read_ulong(unsigned long *addr,
        unsigned long *val)
{
    //...
}

David

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