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

From: David Vrabel
Date: Fri Dec 05 2014 - 05:43:19 EST

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.


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)

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