diff mbox

[PULL,1/3] xen-usb: do not reference PAGE_SIZE

Message ID 1477080419-19730-1-git-send-email-sstabellini@kernel.org
State New
Headers show

Commit Message

Stefano Stabellini Oct. 21, 2016, 8:06 p.m. UTC 
PAGE_SIZE is undefined on ARM64. Use XC_PAGE_SIZE instead, which is
always 4096 even when page granularity is 64K.

For this to actually work with 64K pages, more changes are required.

Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
Reviewed-by: Juergen Gross <jgross@suse.com>
Release-acked-by: Wei Liu <wei.liu2@citrix.com>
---
 hw/usb/xen-usb.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox

Patch

diff --git a/hw/usb/xen-usb.c b/hw/usb/xen-usb.c
index 174d715..de2ebd6 100644
--- a/hw/usb/xen-usb.c
+++ b/hw/usb/xen-usb.c
@@ -160,7 +160,7 @@  static int usbback_gnttab_map(struct usbback_req *usbback_req)
 
     for (i = 0; i < nr_segs; i++) {
         if ((unsigned)usbback_req->req.seg[i].offset +
-            (unsigned)usbback_req->req.seg[i].length > PAGE_SIZE) {
+            (unsigned)usbback_req->req.seg[i].length > XC_PAGE_SIZE) {
             xen_be_printf(xendev, 0, "segment crosses page boundary\n");
             return -EINVAL;
         }
@@ -183,7 +183,7 @@  static int usbback_gnttab_map(struct usbback_req *usbback_req)
 
         for (i = 0; i < usbback_req->nr_buffer_segs; i++) {
             seg = usbback_req->req.seg + i;
-            addr = usbback_req->buffer + i * PAGE_SIZE + seg->offset;
+            addr = usbback_req->buffer + i * XC_PAGE_SIZE + seg->offset;
             qemu_iovec_add(&usbback_req->packet.iov, addr, seg->length);
         }
     }