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[PATCH 6/8] hw/vfio/pci: Use memory_region_add_subregion() when priority
From: |
Philippe Mathieu-Daudé |
Subject: |
[PATCH 6/8] hw/vfio/pci: Use memory_region_add_subregion() when priority is 0 |
Date: |
Sat, 14 Dec 2019 16:56:12 +0100 |
It is pointless to overlap a memory subregion with priority 0.
Use the simpler memory_region_add_subregion() function.
This patch was produced with the following spatch script:
@@
expression region;
expression offset;
expression subregion;
@@
-memory_region_add_subregion_overlap(region, offset, subregion, 0)
+memory_region_add_subregion(region, offset, subregion)
Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
---
hw/vfio/pci.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index 2d40b396f2..74b1eb7ddc 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -1095,8 +1095,7 @@ static void vfio_sub_page_bar_update_mapping(PCIDevice
*pdev, int bar)
memory_region_set_size(mmap_mr, size);
if (size != vdev->bars[bar].size && memory_region_is_mapped(base_mr)) {
memory_region_del_subregion(r->address_space, base_mr);
- memory_region_add_subregion_overlap(r->address_space,
- bar_addr, base_mr, 0);
+ memory_region_add_subregion(r->address_space, bar_addr, base_mr);
}
memory_region_transaction_commit();
--
2.21.0
- [PATCH 0/8] Simplify memory_region_add_subregion_overlap(..., priority=0), Philippe Mathieu-Daudé, 2019/12/14
- [PATCH 8/8] target/i386/cpu: Use 'mr' for MemoryRegion variables, Philippe Mathieu-Daudé, 2019/12/14
- [PATCH 1/8] hw/arm/nrf51_soc: Use memory_region_add_subregion() when priority is 0, Philippe Mathieu-Daudé, 2019/12/14
- [PATCH 3/8] hw/arm/xlnx-versal: Use memory_region_add_subregion() when priority is 0, Philippe Mathieu-Daudé, 2019/12/14
- [PATCH 2/8] hw/arm/raspi: Use memory_region_add_subregion() when priority is 0, Philippe Mathieu-Daudé, 2019/12/14
- [PATCH 7/8] target/i386: Use memory_region_add_subregion() when priority is 0, Philippe Mathieu-Daudé, 2019/12/14
- [PATCH 6/8] hw/vfio/pci: Use memory_region_add_subregion() when priority is 0,
Philippe Mathieu-Daudé <=
- [PATCH 5/8] hw/mips/boston: Use memory_region_add_subregion() when priority is 0, Philippe Mathieu-Daudé, 2019/12/14
- [PATCH 4/8] hw/i386/intel_iommu: Use memory_region_add_subregion when priority is 0, Philippe Mathieu-Daudé, 2019/12/14
- Re: [PATCH 0/8] Simplify memory_region_add_subregion_overlap(..., priority=0), Peter Maydell, 2019/12/14
- Re: [PATCH 0/8] Simplify memory_region_add_subregion_overlap(..., priority=0), Michael S. Tsirkin, 2019/12/15