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[Qemu-devel] [PULL 1/3] xen-usb: do not reference PAGE_SIZE
From: |
Stefano Stabellini |
Subject: |
[Qemu-devel] [PULL 1/3] xen-usb: do not reference PAGE_SIZE |
Date: |
Fri, 21 Oct 2016 13:06:57 -0700 |
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 <address@hidden>
Reviewed-by: Juergen Gross <address@hidden>
Release-acked-by: Wei Liu <address@hidden>
---
hw/usb/xen-usb.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
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);
}
}
--
1.9.1