[PATCH V4 2/2] KVM: selftests: Change MDSCR_EL1 register holding variables as uint64_t

Anshuman Khandual
2025-06-12T03:36:06Z

Change MDSCR_EL1 register holding local variables as uint64_t that reflects
its true register width as well.

Cc: Marc Zyngier <maz@kernel.org>
Cc: Oliver Upton <oliver.upton@linux.dev>
Cc: Joey Gouly <joey.gouly@arm.com>
Cc: kvm@vger.kernel.org
Cc: kvmarm@lists.linux.dev
Cc: linux-kernel@vger.kernel.org
Cc: linux-kselftest@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Reviewed-by: Ada Couprie Diaz <ada.coupriediaz@arm.com>
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
---
tools/testing/selftests/kvm/arm64/debug-exceptions.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/kvm/arm64/debug-exceptions.c b/tools/testing/selftests/kvm/arm64/debug-exceptions.c
index c7fb55c9135b..e34963956fbc 100644
--- a/tools/testing/selftests/kvm/arm64/debug-exceptions.c
+++ b/tools/testing/selftests/kvm/arm64/debug-exceptions.c
@@ -140,7 +140,7 @@ static void enable_os_lock(void)

static void enable_monitor_debug_exceptions(void)
{
- uint32_t mdscr;
+ uint64_t mdscr;

asm volatile("msr daifclr, #8");

@@ -223,7 +223,7 @@ void install_hw_bp_ctx(uint8_t addr_bp, uint8_t ctx_bp, uint64_t addr,

static void install_ss(void)
{
- uint32_t mdscr;
+ uint64_t mdscr;

asm volatile("msr daifclr, #8");

--
2.25.1