Using the destroy call instead of the export on a VM shutdown, we can clear out a protected guest much faster. The 3f exception can in fact be triggered by userspace and therefore should not panic the whole system, but send a SIGSEGV to the culprit process. v2: * Removed whitespace damage * Directly access task struct for pid and comm * Removed NOKPROBE_SYMBOL Janosch Frank (2): s390x: uv: Add destroy page call s390x: Add 3f program exception handler arch/s390/include/asm/uv.h | 7 +++++++ arch/s390/kernel/pgm_check.S | 2 +- arch/s390/kernel/uv.c | 20 ++++++++++++++++++++ arch/s390/mm/fault.c | 20 ++++++++++++++++++++ arch/s390/mm/gmap.c | 2 +- 5 files changed, 49 insertions(+), 2 deletions(-) -- 2.25.1
