On Fri, 1 Sep 2017 17:11:43 +0200 David Hildenbrand <david@xxxxxxxxxx> wrote: > We will not see -ENOMEM (gfn_to_hva() will return KVM_ERR_PTR_BAD_PAGE > for all errors). So we can also get rid of special handling in the > callers of pin_guest_page() and always assume that it is a g2 error. > > As also kvm_s390_inject_program_int() should never fail, we can > simplify pin_scb(), too. > > Signed-off-by: David Hildenbrand <david@xxxxxxxxxx> > --- > > Based on: > git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux.git next > > v1- > v2: > - As Christian noticed, gfn_to_page() will never return -ENOMEM. So we > can simplify pin_guest_page() even more and also the callers. > > arch/s390/kvm/vsie.c | 50 +++++++++++++++++------------------------------- > include/linux/kvm_host.h | 1 + > virt/kvm/kvm_main.c | 4 ++-- > 3 files changed, 21 insertions(+), 34 deletions(-) Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx>
