Re: [Qemu-devel] [PATCH v1 for-2.12 07/15] s390x: handle exceptions during s390_cpu_virt_mem_rw() correctly (TCG)

[Cornelia Huck <cohuck@redhat.com>]

On Wed, 29 Nov 2017 16:54:30 +0100
David Hildenbrand <david@redhat.com> wrote:


> >> diff --git a/target/s390x/mmu_helper.c b/target/s390x/mmu_helper.c
> >> index 31e3f3f415..39da9aeef4 100644
> >> --- a/target/s390x/mmu_helper.c
> >> +++ b/target/s390x/mmu_helper.c
> >> @@ -22,6 +22,7 @@
> >>  #include "internal.h"
> >>  #include "kvm_s390x.h"
> >>  #include "sysemu/kvm.h"
> >> +#include "exec/exec-all.h"
> >>  #include "trace.h"
> >>  #include "hw/s390x/storage-keys.h"
> >>  
> >> @@ -458,7 +459,7 @@ static int translate_pages(S390CPU *cpu, vaddr addr, int nr_pages,
> >>          }
> >>          if (!address_space_access_valid(&address_space_memory, pages[i],
> >>                                          TARGET_PAGE_SIZE, is_write)) {
> >> -            program_interrupt(env, PGM_ADDRESSING, ILEN_AUTO);
> >> +            trigger_pgm_exception(env, PGM_ADDRESSING, ILEN_AUTO);  
> > 
> > Why did you change this?  
> 
> "For TCG, there was one case where a cpu loop exit was triggered. Fix
> that up."
> 
> Wasn't worth a separate patch :)

Well, maybe it is, to avoid dumb questions :)

> 
> >   
> >>              return -EFAULT;
> >>          }
> >>          addr += TARGET_PAGE_SIZE;