Just speficying ops = NULL in some cases can be more convenient than having two functions. GICv3 code is going to use this. GICv2 code can be refactored in a similar way, killing some code duplication.
Signed-off-by: Pavel Fedin <p.fe...@samsung.com> Acked-by: Paolo Bonzini <pbonz...@redhat.com> --- include/exec/memory.h | 14 +++++++++++--- memory.c | 10 +--------- 2 files changed, 12 insertions(+), 12 deletions(-) diff --git a/include/exec/memory.h b/include/exec/memory.h index 1394715..3b5e44e 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -436,6 +436,9 @@ void memory_region_init_alias(MemoryRegion *mr, * memory_region_init_rom_device: Initialize a ROM memory region. Writes are * handled via callbacks. * + * If NULL callbacks pointer is given, then I/O space is not supposed to be + * handled by QEMU itself. Any access via the memory API will cause an abort(). + * * @mr: the #MemoryRegion to be initialized. * @owner: the object that tracks the region's reference count * @ops: callbacks for write access handling. @@ -458,16 +461,21 @@ void memory_region_init_rom_device(MemoryRegion *mr, * A reservation region primariy serves debugging purposes. It claims I/O * space that is not supposed to be handled by QEMU itself. Any access via * the memory API will cause an abort(). + * This function is deprecated. Use memory_region_init_io() with NULL + * callbacks instead. * * @mr: the #MemoryRegion to be initialized * @owner: the object that tracks the region's reference count * @name: used for debugging; not visible to the user or ABI * @size: size of the region. */ -void memory_region_init_reservation(MemoryRegion *mr, - struct Object *owner, +static inline void memory_region_init_reservation(MemoryRegion *mr, + Object *owner, const char *name, - uint64_t size); + uint64_t size) +{ + memory_region_init_io(mr, owner, NULL, mr, name, size); +} /** * memory_region_init_iommu: Initialize a memory region that translates diff --git a/memory.c b/memory.c index 0acebb1..b843952 100644 --- a/memory.c +++ b/memory.c @@ -1187,7 +1187,7 @@ void memory_region_init_io(MemoryRegion *mr, uint64_t size) { memory_region_init(mr, owner, name, size); - mr->ops = ops; + mr->ops = ops ? ops : &unassigned_mem_ops; mr->opaque = opaque; mr->terminates = true; } @@ -1307,14 +1307,6 @@ void memory_region_init_iommu(MemoryRegion *mr, notifier_list_init(&mr->iommu_notify); } -void memory_region_init_reservation(MemoryRegion *mr, - Object *owner, - const char *name, - uint64_t size) -{ - memory_region_init_io(mr, owner, &unassigned_mem_ops, mr, name, size); -} - static void memory_region_finalize(Object *obj) { MemoryRegion *mr = MEMORY_REGION(obj); -- 1.9.5.msysgit.0