Re: [PATCH v5 11/13] KVM: selftests: Add skip_set facility to get_reg_list test

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On Sat, Jul 1, 2023 at 10:28 PM Andrew Jones <ajones@xxxxxxxxxxxxxxxx> wrote:
>
> On Sat, Jul 01, 2023 at 09:42:59PM +0800, Haibo Xu wrote:
> > Add new skips_set members to vcpu_reg_sublist so as to skip
> > set operation on some registers.
> >
> > Suggested-by: Andrew Jones <ajones@xxxxxxxxxxxxxxxx>
> > Signed-off-by: Haibo Xu <haibo1.xu@xxxxxxxxx>
> > ---
> >  tools/testing/selftests/kvm/get-reg-list.c    | 20 +++++++++++++------
> >  .../selftests/kvm/include/kvm_util_base.h     |  2 ++
> >  2 files changed, 16 insertions(+), 6 deletions(-)
> >
> > diff --git a/tools/testing/selftests/kvm/get-reg-list.c b/tools/testing/selftests/kvm/get-reg-list.c
> > index 74fb6f6fdd09..1a32a900aeea 100644
> > --- a/tools/testing/selftests/kvm/get-reg-list.c
> > +++ b/tools/testing/selftests/kvm/get-reg-list.c
> > @@ -157,6 +157,7 @@ static void run_test(struct vcpu_reg_list *c)
> >  {
> >       int new_regs = 0, missing_regs = 0, i, n;
> >       int failed_get = 0, failed_set = 0, failed_reject = 0;
> > +     int skipped_set = 0;
> >       struct kvm_vcpu *vcpu;
> >       struct kvm_vm *vm;
> >       struct vcpu_reg_sublist *s;
> > @@ -210,7 +211,7 @@ static void run_test(struct vcpu_reg_list *c)
> >                       .id = reg_list->reg[i],
> >                       .addr = (__u64)&addr,
> >               };
> > -             bool reject_reg = false;
> > +             bool reject_reg = false, skip_reg = false;
> >               int ret;
> >
> >               ret = __vcpu_get_reg(vcpu, reg_list->reg[i], &addr);
> > @@ -221,8 +222,8 @@ static void run_test(struct vcpu_reg_list *c)
> >                       ++failed_get;
> >               }
> >
> > -             /* rejects_set registers are rejected after KVM_ARM_VCPU_FINALIZE */
> >               for_each_sublist(c, s) {
> > +                     /* rejects_set registers are rejected for set operation */
> >                       if (s->rejects_set && find_reg(s->rejects_set, s->rejects_set_n, reg.id)) {
> >                               reject_reg = true;
> >                               ret = __vcpu_ioctl(vcpu, KVM_SET_ONE_REG, &reg);
> > @@ -234,9 +235,16 @@ static void run_test(struct vcpu_reg_list *c)
> >                               }
> >                               break;
> >                       }
> > +
> > +                     /* skips_set registers are skipped for set operation */
> > +                     if (s->skips_set && find_reg(s->skips_set, s->skips_set_n, reg.id)) {
> > +                             skip_reg = true;
> > +                             ++skipped_set;
> > +                             break;
> > +                     }
> >               }
> >
> > -             if (!reject_reg) {
> > +             if (!reject_reg && !skip_reg) {
> >                       ret = __vcpu_ioctl(vcpu, KVM_SET_ONE_REG, &reg);
> >                       if (ret) {
> >                               printf("%s: Failed to set ", config_name(c));
> > @@ -281,9 +289,9 @@ static void run_test(struct vcpu_reg_list *c)
> >       }
> >
> >       TEST_ASSERT(!missing_regs && !failed_get && !failed_set && !failed_reject,
> > -                 "%s: There are %d missing registers; "
> > -                 "%d registers failed get; %d registers failed set; %d registers failed reject",
> > -                 config_name(c), missing_regs, failed_get, failed_set, failed_reject);
> > +                 "%s: There are %d missing registers; %d registers failed get; "
> > +                 "%d registers failed set; %d registers failed reject; %d registers skipped set",
> > +                 config_name(c), missing_regs, failed_get, failed_set, failed_reject, skipped_set);
> >
> >       pr_info("%s: PASS\n", config_name(c));
> >       blessed_n = 0;
> > diff --git a/tools/testing/selftests/kvm/include/kvm_util_base.h b/tools/testing/selftests/kvm/include/kvm_util_base.h
> > index e4480049000d..67c031fe89a1 100644
> > --- a/tools/testing/selftests/kvm/include/kvm_util_base.h
> > +++ b/tools/testing/selftests/kvm/include/kvm_util_base.h
> > @@ -134,6 +134,8 @@ struct vcpu_reg_sublist {
> >       __u64 regs_n;
> >       __u64 *rejects_set;
> >       __u64 rejects_set_n;
> > +     __u64 *skips_set;
> > +     __u64 skips_set_n;
> >  };
> >
> >  struct vcpu_reg_list {
> > --
> > 2.34.1
> >
>
> Reviewed-by: Andrew Jones <ajones@xxxxxxxxxxxxxxxx>

Thanks!




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