On 07/11/18 17:01, Juergen Gross wrote:
> Commit 9da3f2b7405440 ("x86/fault: BUG() when uaccess helpers fault on
> kernel addresses") introduced a regression for booting Xen PV guests.
>
> Xen PV guests are using __put_user() and __get_user() for accessing the
> p2m map (physical to machine frame
Commit 9da3f2b7405440 ("x86/fault: BUG() when uaccess helpers fault on
kernel addresses") introduced a regression for booting Xen PV guests.
Xen PV guests are using __put_user() and __get_user() for accessing the
p2m map (physical to machine frame number map) as accesses might fail
in case of not