On 4/19/21 1:24 PM, Thomas Huth wrote: > On 16/03/2021 10.16, Janosch Frank wrote: >> Let's also test sharing unavailable memory. >> >> Signed-off-by: Janosch Frank <frankja@xxxxxxxxxxxxx> >> --- >> s390x/uv-guest.c | 5 +++++ >> 1 file changed, 5 insertions(+) >> >> diff --git a/s390x/uv-guest.c b/s390x/uv-guest.c >> index 99544442..a13669ab 100644 >> --- a/s390x/uv-guest.c >> +++ b/s390x/uv-guest.c >> @@ -15,6 +15,7 @@ >> #include <asm/interrupt.h> >> #include <asm/facility.h> >> #include <asm/uv.h> >> +#include <sclp.h> >> >> static unsigned long page; >> >> @@ -99,6 +100,10 @@ static void test_sharing(void) >> uvcb.header.len = sizeof(uvcb); >> cc = uv_call(0, (u64)&uvcb); >> report(cc == 0 && uvcb.header.rc == UVC_RC_EXECUTED, "share"); >> + uvcb.paddr = get_ram_size() + PAGE_SIZE; >> + cc = uv_call(0, (u64)&uvcb); >> + report(cc == 1 && uvcb.header.rc == 0x101, "invalid memory"); > > Would it make sense to add a #define for 0x101 ? > The RCs change meaning with each UV call so we can only re-use a small number of constants which wouldn't gain us a lot. > Anyway: > Reviewed-by: Thomas Huth <thuth@xxxxxxxxxx> Thanks!