Use the provided helper functions now.
Reviewed-by: Thomas Huth <thuth@xxxxxxxxxx>
Reviewed-by: Janosch Frank <frankja@xxxxxxxxxxxxx>
Signed-off-by: David Hildenbrand <david@xxxxxxxxxx>
---
lib/s390x/asm/interrupt.h | 12 ++----------
1 file changed, 2 insertions(+), 10 deletions(-)
diff --git a/lib/s390x/asm/interrupt.h b/lib/s390x/asm/interrupt.h
index b3abd63..013709f 100644
--- a/lib/s390x/asm/interrupt.h
+++ b/lib/s390x/asm/interrupt.h
@@ -23,21 +23,13 @@ void check_pgm_int_code(uint16_t code);
/* Activate low-address protection */
static inline void low_prot_enable(void)
{
- uint64_t cr0;
-
- asm volatile (" stctg %%c0,%%c0,%0 " : : "Q"(cr0) : "memory");
- cr0 |= 1ULL << (63-35);
- asm volatile (" lctlg %%c0,%%c0,%0 " : : "Q"(cr0));
+ ctl_set_bit(0, 63 - 35);
}
/* Disable low-address protection */
static inline void low_prot_disable(void)
{
- uint64_t cr0;
-
- asm volatile (" stctg %%c0,%%c0,%0 " : : "Q"(cr0) : "memory");
- cr0 &= ~(1ULL << (63-35));
- asm volatile (" lctlg %%c0,%%c0,%0 " : : "Q"(cr0));
+ ctl_clear_bit(0, 63 - 35);
}
#endif
--
2.17.1
