>>> On 16.03.18 at 21:08, wrote:
> On 16/03/18 19:55, Jason Andryuk wrote:
>> Commit ec05090403ef4d760fbe701e31afd0f0edc414d5 ("x86/entry: Erase guest
>> GPR state on entry to Xen") zero-ed %rbp, compat arg 6, but it is not
>> restored before passing to hypercalls. We
On 16/03/18 19:55, Jason Andryuk wrote:
> Commit ec05090403ef4d760fbe701e31afd0f0edc414d5 ("x86/entry: Erase guest
> GPR state on entry to Xen") zero-ed %rbp, compat arg 6, but it is not
> restored before passing to hypercalls. We need to pass the saved compat
> arg 6 to the hypercall in r9, the
Commit ec05090403ef4d760fbe701e31afd0f0edc414d5 ("x86/entry: Erase guest
GPR state on entry to Xen") zero-ed %rbp, compat arg 6, but it is not
restored before passing to hypercalls. We need to pass the saved compat
arg 6 to the hypercall in r9, the 6th function argument.
Signed-off-by: Jason