[PATCH 4/9] KVM: arm64: selftests: Add helpers to enable debug exceptions

Reiji Watanabe reijiw at google.com
Thu Aug 25 17:55:40 PDT 2022


Hi Oliver,

On Thu, Aug 25, 2022 at 10:22 AM Oliver Upton <oliver.upton at linux.dev> wrote:
>
> On Wed, Aug 24, 2022 at 10:08:41PM -0700, Reiji Watanabe wrote:
> > Add helpers to enable breakpoint and watchpoint exceptions.
> >
> > Signed-off-by: Reiji Watanabe <reijiw at google.com>
> > ---
> >  .../selftests/kvm/aarch64/debug-exceptions.c  | 25 ++++++++++---------
> >  1 file changed, 13 insertions(+), 12 deletions(-)
> >
> > diff --git a/tools/testing/selftests/kvm/aarch64/debug-exceptions.c b/tools/testing/selftests/kvm/aarch64/debug-exceptions.c
> > index 183ee16acb7d..713c7240b680 100644
> > --- a/tools/testing/selftests/kvm/aarch64/debug-exceptions.c
> > +++ b/tools/testing/selftests/kvm/aarch64/debug-exceptions.c
> > @@ -128,10 +128,20 @@ static void enable_os_lock(void)
> >       GUEST_ASSERT(read_sysreg(oslsr_el1) & 2);
> >  }
> >
> > +static void enable_debug_bwp_exception(void)
>
> uber-nit: enable_monitor_debug_exceptions()
>
> (more closely matches the definition of MDSCR_EL1.MDE)

Thank you for the proposal. Sounds better!


> With that:
>
> Reviewed-by: Oliver Upton <oliver.upton at linux.dev>

Thank you for the review!
Reiji



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