[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH 04 of 14] When passing no bitmap for the shadow log dirty bitmap clean up, we should not get EFAULT
tools/libxc/xc_domain.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) This is due to a stale check for guest_handle_null in the hypervisor, which doesn't necessarily work with the hypercall buffers. Signed-off-by: Andres Lagar-Cavilla <andres@xxxxxxxxxxxxxxxx> diff -r 58eae300fa63 -r 93066bdc1e1c tools/libxc/xc_domain.c --- a/tools/libxc/xc_domain.c +++ b/tools/libxc/xc_domain.c @@ -430,6 +430,8 @@ int xc_shadow_control(xc_interface *xch, DECLARE_DOMCTL; DECLARE_HYPERCALL_BUFFER_ARGUMENT(dirty_bitmap); + memset(&domctl, 0, sizeof(domctl)); + domctl.cmd = XEN_DOMCTL_shadow_op; domctl.domain = (domid_t)domid; domctl.u.shadow_op.op = sop; _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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