Series applied. thanks. I will schedule the first 3 for master, 4 and 5 for next. On 03.04.20 17:30, David Hildenbrand wrote: > Some vsie/gmap fixes and two cleanups/improvements. > > Patch #1 fixes an issue reported by Janosch. It was never observed so far, > because KVM usually doesn't use a region 1 table for it's guest (unless > memory would be exceeding something like 16 EB, which isn't even supported > by the HW). Older QEMU+KVM or other hypervisors can trigger this. > > Patch #2 fixes a code path that probably was never taken and will most > probably not be taken very often in the future - unless somebody really > messes up the page tables for a guest (or writes a test for it). At some > point, a test case for this would be nice. > > Patch #3 fixes a rare possible race. Don't think this is stable material. > > Gave it some testing with my limited access to somewhat-fast s390x > machines. Booted a Linux kernel, supplying all possible number of > page table hiearchies. > > v1 -> v2: > - "KVM: s390: vsie: Fix region 1 ASCE sanity shadow address checks" > -- Fix WARN_ON_ONCE > - "gmap_table_walk() simplifications" > -- Also init "table" directly > > David Hildenbrand (5): > KVM: s390: vsie: Fix region 1 ASCE sanity shadow address checks > KVM: s390: vsie: Fix delivery of addressing exceptions > KVM: s390: vsie: Fix possible race when shadowing region 3 tables > KVM: s390: vsie: Move conditional reschedule > KVM: s390: vsie: gmap_table_walk() simplifications > > arch/s390/kvm/vsie.c | 4 ++-- > arch/s390/mm/gmap.c | 17 +++++++++++------ > 2 files changed, 13 insertions(+), 8 deletions(-) >
