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authorRusty Russell <rusty@rustcorp.com.au>2008-12-30 09:25:57 -0600
committerRusty Russell <rusty@rustcorp.com.au>2008-12-30 09:25:58 +1030
commit498af14783935af487d17dbee4ac451783cbc2b7 (patch)
treedb7a61d88f8eee05e65ac832f571440640299869 /drivers/virtio
parent5f0d1d7f2286c8a02dab69f5f0bd51681fab161e (diff)
downloadlinux-498af14783935af487d17dbee4ac451783cbc2b7.tar.bz2
virtio: Don't use PAGE_SIZE for vring alignment in virtio_pci.
That doesn't work for non-4k guests which are now appearing. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'drivers/virtio')
-rw-r--r--drivers/virtio/virtio_pci.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c
index c2cd69ba0a8c..f28643f3a4e8 100644
--- a/drivers/virtio/virtio_pci.c
+++ b/drivers/virtio/virtio_pci.c
@@ -237,7 +237,7 @@ static struct virtqueue *vp_find_vq(struct virtio_device *vdev, unsigned index,
info->queue_index = index;
info->num = num;
- size = PAGE_ALIGN(vring_size(num, PAGE_SIZE));
+ size = PAGE_ALIGN(vring_size(num, VIRTIO_PCI_VRING_ALIGN));
info->queue = alloc_pages_exact(size, GFP_KERNEL|__GFP_ZERO);
if (info->queue == NULL) {
err = -ENOMEM;
@@ -290,7 +290,7 @@ static void vp_del_vq(struct virtqueue *vq)
iowrite16(info->queue_index, vp_dev->ioaddr + VIRTIO_PCI_QUEUE_SEL);
iowrite32(0, vp_dev->ioaddr + VIRTIO_PCI_QUEUE_PFN);
- size = PAGE_ALIGN(vring_size(info->num, PAGE_SIZE));
+ size = PAGE_ALIGN(vring_size(info->num, VIRTIO_PCI_VRING_ALIGN));
free_pages_exact(info->queue, size);
kfree(info);
}