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vfio: cpu: Use "real" page size API 

This is system level code, and should only depend on the host page
size, not the target page size.

Note that HOST_PAGE_SIZE is misleadingly lead and is really aligning
to both host and target page size. Hence it's replacement with
REAL_HOST_PAGE_SIZE.

Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Tested-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Peter Crosthwaite 2015-07-06 12:15:12 -06:00 committed by Alex Williamson
parent 4e51361d79
commit f7ceed190d
1 changed files with 4 additions and 3 deletions
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7
hw/vfio/pci.c
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@ -2388,7 +2388,7 @@ static void vfio_map_bar(VFIOPCIDevice *vdev, int nr)
* potentially insert a direct-mapped subregion before and after it.
*/
if (vdev->msix && vdev->msix->table_bar == nr) {
size = vdev->msix->table_offset & qemu_host_page_mask;
size = vdev->msix->table_offset & qemu_real_host_page_mask;
}
strncat(name, " mmap", sizeof(name) - strlen(name) - 1);
@ -2401,8 +2401,9 @@ static void vfio_map_bar(VFIOPCIDevice *vdev, int nr)
if (vdev->msix && vdev->msix->table_bar == nr) {
uint64_t start;
start = HOST_PAGE_ALIGN((uint64_t)vdev->msix->table_offset +
(vdev->msix->entries * PCI_MSIX_ENTRY_SIZE));
start = REAL_HOST_PAGE_ALIGN((uint64_t)vdev->msix->table_offset +
(vdev->msix->entries *
PCI_MSIX_ENTRY_SIZE));
size = start < bar->region.size ? bar->region.size - start : 0;
strncat(name, " msix-hi", sizeof(name) - strlen(name) - 1);