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xen: create xen_create/destroy_contiguous_region() stubs for PVHVM only builds

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xen_create_contiguous_region()/xen_create_contiguous_region() are PV-only,
they both contain xen_feature(XENFEAT_auto_translated_physmap) check and
bail in the very beginning.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
This commit is contained in:
Vitaly Kuznetsov 2017-03-14 18:35:54 +01:00 committed by Juergen Gross
parent 4fee9ad84e
commit 1662439081
1 changed files with 14 additions and 0 deletions
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14
include/xen/xen-ops.h
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@ -34,11 +34,25 @@ u64 xen_steal_clock(int cpu);
int xen_setup_shutdown_event(void);
extern unsigned long *xen_contiguous_bitmap;
#ifdef CONFIG_XEN_PV
int xen_create_contiguous_region(phys_addr_t pstart, unsigned int order,
unsigned int address_bits,
dma_addr_t *dma_handle);
void xen_destroy_contiguous_region(phys_addr_t pstart, unsigned int order);
#else
static inline int xen_create_contiguous_region(phys_addr_t pstart,
unsigned int order,
unsigned int address_bits,
dma_addr_t *dma_handle)
{
return 0;
}
static inline void xen_destroy_contiguous_region(phys_addr_t pstart,
unsigned int order) { }
#endif
struct vm_area_struct;