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authorJuergen Gross2022-03-11 11:35:00 +0100
committerGreg Kroah-Hartman2022-03-15 18:39:07 +0100
commitcee03ca3cb44c867b45f9d32601c1d532f66fe7a (patch)
treeff822f9093f12008fea671c68f872694e89614f4 /drivers/usb/host
parent61ef1709ee603b1d4677682c643986e817d5c6a4 (diff)
xen/usb: don't use arbitrary_virt_to_machine()
arbitrary_virt_to_machine() is meant to be used in PV guests only. Replace its usage with virt_to_gfn(). Signed-off-by: Juergen Gross <jgross@suse.com> Link: https://lore.kernel.org/r/20220311103500.12885-1-jgross@suse.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host')
-rw-r--r--drivers/usb/host/xen-hcd.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/usb/host/xen-hcd.c b/drivers/usb/host/xen-hcd.c
index be09fd9bac58..36f7c8a0b500 100644
--- a/drivers/usb/host/xen-hcd.c
+++ b/drivers/usb/host/xen-hcd.c
@@ -589,14 +589,12 @@ static void xenhcd_gnttab_map(struct xenhcd_info *info, void *addr, int length,
int nr_pages, int flags)
{
grant_ref_t ref;
- unsigned long buffer_mfn;
unsigned int offset;
unsigned int len = length;
unsigned int bytes;
int i;
for (i = 0; i < nr_pages; i++) {
- buffer_mfn = PFN_DOWN(arbitrary_virt_to_machine(addr).maddr);
offset = offset_in_page(addr);
bytes = PAGE_SIZE - offset;
@@ -605,7 +603,7 @@ static void xenhcd_gnttab_map(struct xenhcd_info *info, void *addr, int length,
ref = gnttab_claim_grant_reference(gref_head);
gnttab_grant_foreign_access_ref(ref, info->xbdev->otherend_id,
- buffer_mfn, flags);
+ virt_to_gfn(addr), flags);
seg[i].gref = ref;
seg[i].offset = (__u16)offset;
seg[i].length = (__u16)bytes;