On Fri, 14 Jan 2022 13:50:52 +0100
Nico Boehr <nrb@xxxxxxxxxxxxx> wrote:
> On Fri, 2022-01-14 at 10:02 +0000, Janosch Frank wrote:
> > The store status at address order works with 31 bit addresses so
> > let's
> > use them.
> >
> > Signed-off-by: Janosch Frank <frankja@xxxxxxxxxxxxx>
> > ---
> > s390x/smp.c | 4 ++--
> > 1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/s390x/smp.c b/s390x/smp.c
> > index 32f128b3..c91f170b 100644
> > --- a/s390x/smp.c
> > +++ b/s390x/smp.c
>
> [...]
>
> > @@ -244,7 +244,7 @@ static void test_func_initial(void)
> >
> > static void test_reset_initial(void)
> > {
> > - struct cpu_status *status = alloc_pages(0);
> > + struct cpu_status *status = alloc_pages_flags(1, AREA_DMA31);
>
> Why do we need two pages now?
actually, wait.....
struct cpu_status *status = alloc_pages_flags(1, AREA_DMA31);
uint32_t r;
report_prefix_push("store status at address");
memset(status, 0, PAGE_SIZE * 2);
we were allocating one page, and using 2!
@Janosch do we need 1 or 2 pages?
