On Mon Sep 16, 2024 at 8:33 AM CEST, Janosch Frank wrote: > On 9/16/24 8:25 AM, Christoph Schlameuss wrote: > > On Fri Sep 13, 2024 at 6:48 PM CEST, Claudio Imbrenda wrote: > >> On Fri, 13 Sep 2024 13:52:46 +0200 > >> Christoph Schlameuss <schlameuss@xxxxxxxxxxxxx> wrote: > >> > >>> Add a test case verifying basic running and interaction of ucontrol VMs. > >>> Fill the segment and page tables for allocated memory and map memory on > >>> first access. > >>> > >>> * uc_map_unmap > >>> Store and load data to mapped and unmapped memory and use pic segment > >>> translation handling to map memory on access. > >>> > >>> Signed-off-by: Christoph Schlameuss <schlameuss@xxxxxxxxxxxxx> > >>> --- > >>> .../selftests/kvm/s390x/ucontrol_test.c | 145 +++++++++++++++++- > >>> 1 file changed, 144 insertions(+), 1 deletion(-) > >>> > >>> diff --git a/tools/testing/selftests/kvm/s390x/ucontrol_test.c b/tools/testing/selftests/kvm/s390x/ucontrol_test.c > >>> index 030c59010fe1..084cea02c2fa 100644 > >>> --- a/tools/testing/selftests/kvm/s390x/ucontrol_test.c > >>> +++ b/tools/testing/selftests/kvm/s390x/ucontrol_test.c > >> > >> [...] > >> > >>> base_gpa + self->code_gpa; > >>> @@ -222,6 +244,60 @@ TEST(uc_cap_hpage) > >>> close(kvm_fd); > >>> } > >>> > >>> +/* calculate host virtual addr from guest physical addr */ > >>> +static void *gpa2hva(FIXTURE_DATA(uc_kvm) * self, u64 gpa) > >> > >> why the space? I would have expected *self > >> > > > > That is how checkpatch.pl --strict prefers it. > > > > Output from checkpatch without the space: > > > > CHECK: spaces preferred around that '*' (ctx:WxV) > > #19: FILE: tools/testing/selftests/kvm/s390x/ucontrol_test.c:278: > > +static void *gpa2hva(FIXTURE_DATA(uc_kvm) *self, u64 gpa) > > I'd guess checkpatch thinks this is a multiplication and that's why it > complains here. It's checking against the wrong rule. I see. I did experiment a bit. There is no obvious way to get rid of the CHECK notices from checkpatch.pl. But I will correct the whitespaces for the function calls.