>>> On 08.04.19 at 19:39, <andrew.coop...@citrix.com> wrote: > c/s 9383de210 "x86/altp2m: support for setting restrictions for an array of > pages" introduced this logic, but do_hvm_op() was already capable of handling > -ERESTART correctly. > > More problematic however is a continuation from compat_altp2m_op(). The arg > written back into register state points into the hypercall XLAT area, not at > the original parameter passed by the guest. It may be truncated by the > vmentry, but definitely won't be correct on the next invocation. > > Delete the hypercall_create_continuation() call, and return -ERESTART, which > will cause the compat case to start working correctly. > > Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com>
Reviewed-by: Jan Beulich <jbeul...@suse.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
