On 28.06.2018 10:11, David Hildenbrand wrote: > On 27.06.2018 16:31, Janosch Frank wrote: >> Right now we only catch the exceptions that we really expect to >> receive. Let's at least catch all of them and abort if any of the >> unexpected ones fell on our foot. >> >> Signed-off-by: Janosch Frank <frankja@xxxxxxxxxxxxx> >> --- >> >> I hope I understood you correctly, as assembly is not my strongest >> language skill. >> >> --- >> lib/s390x/interrupt.c | 24 +++++++++++++++++++++ >> s390x/cstart64.S | 58 ++++++++++++++++++++++++++++++++++++++++++++++++--- >> 2 files changed, 79 insertions(+), 3 deletions(-) >> >> diff --git a/lib/s390x/interrupt.c b/lib/s390x/interrupt.c >> index bc44e3a..848d5f2 100644 >> --- a/lib/s390x/interrupt.c >> +++ b/lib/s390x/interrupt.c >> @@ -104,3 +104,27 @@ void handle_pgm_int(void) >> pgm_int_expected = false; >> fixup_pgm_int(); >> } >> + >> +void handle_ext_int(void) >> +{ >> + report_abort("Unexpected external call interrupt: at %#lx", >> + lc->ext_old_psw.addr); >> +} >> + >> +void handle_mcck_int(void) >> +{ >> + report_abort("Unexpected machine check interrupt: at %#lx", >> + lc->mcck_old_psw.addr); >> +} >> + >> +void handle_io_int(void) >> +{ >> + report_abort("Unexpected io interrupt: at %#lx", >> + lc->io_old_psw.addr); >> +} >> + >> +void handle_svc_int(void) >> +{ >> + report_abort("Unexpected service call interrupt: at %#lx", >> + lc->svc_old_psw.addr); >> +} > > We need prototypes for these in lib/s390x/asm/interrupt.h if I'm not wrong. We can also add them later, when we finally really turn on the -Wmissing-prototypes compiler flag. I think the patch is good to go already. Paolo, Radim, could you please pick up this patch directly? I don't have any other patches pending ... or do you still want me to rather send a PULL request for it? Thomas