commit 926d0a3b55e99b12a0f54ad9c0ad197dca4d959e
Author: Christopher Clark <
[hidden email]>
AuthorDate: Wed Feb 6 09:55:00 2019 +0100
Commit: Jan Beulich <
[hidden email]>
CommitDate: Thu Feb 7 14:22:44 2019 +0100
xen/arm: introduce guest_handle_for_field()
ARM port of c/s bb544585: "introduce guest_handle_for_field()"
This helper turns a field of a GUEST_HANDLE into a GUEST_HANDLE.
Signed-off-by: Christopher Clark <
[hidden email]>
Reviewed-by: Paul Durrant <
[hidden email]>
Reviewed-by: Stefano Stabellini <
[hidden email]>
Release-acked-by: Juergen Gross <
[hidden email]>
---
xen/include/asm-arm/guest_access.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/xen/include/asm-arm/guest_access.h b/xen/include/asm-arm/guest_access.h
index 224d2a033b..8997a1cbfe 100644
--- a/xen/include/asm-arm/guest_access.h
+++ b/xen/include/asm-arm/guest_access.h
@@ -63,6 +63,9 @@ int access_guest_memory_by_ipa(struct domain *d, paddr_t ipa, void *buf,
_y; \
})
+#define guest_handle_for_field(hnd, type, fld) \
+ ((XEN_GUEST_HANDLE(type)) { &(hnd).p->fld })
+
#define guest_handle_from_ptr(ptr, type) \
((XEN_GUEST_HANDLE_PARAM(type)) { (type *)ptr })
#define const_guest_handle_from_ptr(ptr, type) \
--
generated by git-patchbot for /home/xen/git/xen.git#staging
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