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[Qemu-block] [PATCH v2 2/6] hw/virtio/virtio-pci: Use pow2ceil() rather
From: |
Peter Maydell |
Subject: |
[Qemu-block] [PATCH v2 2/6] hw/virtio/virtio-pci: Use pow2ceil() rather than hand-calculation |
Date: |
Fri, 24 Jul 2015 13:33:08 +0100 |
Use the utility function pow2ceil() for rounding up to the next
largest power of 2, rather than inline calculation.
Signed-off-by: Peter Maydell <address@hidden>
---
hw/virtio/virtio-pci.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index 283401a..845f52f 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -1497,9 +1497,7 @@ static void virtio_pci_device_plugged(DeviceState *d,
Error **errp)
if (legacy) {
size = VIRTIO_PCI_REGION_SIZE(&proxy->pci_dev)
+ virtio_bus_get_vdev_config_len(bus);
- if (size & (size - 1)) {
- size = 1 << qemu_fls(size);
- }
+ size = pow2ceil(size);
memory_region_init_io(&proxy->bar, OBJECT(proxy),
&virtio_pci_config_ops,
--
1.9.1
- [Qemu-block] [PATCH v2 0/6] replace qemu_fls() with pow2ceil()/pow2floor(), Peter Maydell, 2015/07/24
- [Qemu-block] [PATCH v2 2/6] hw/virtio/virtio-pci: Use pow2ceil() rather than hand-calculation,
Peter Maydell <=
- [Qemu-block] [PATCH v2 4/6] exec.c: Use pow2floor() rather than hand-calculation, Peter Maydell, 2015/07/24
- [Qemu-block] [PATCH v2 1/6] hw/pci: Use pow2ceil() rather than hand-calculation, Peter Maydell, 2015/07/24
- [Qemu-block] [PATCH v2 3/6] hw/block/nvme.c: Use pow2ceil() rather than hand-calculation, Peter Maydell, 2015/07/24
- [Qemu-block] [PATCH v2 5/6] Remove unused qemu_fls function, Peter Maydell, 2015/07/24
- [Qemu-block] [PATCH v2 6/6] Make pow2ceil() and pow2floor() inline, Peter Maydell, 2015/07/24