[PATCH v1 12/13] KVM: s390: move PGSTE softbits

Claudio Imbrenda
2025-01-08T18:15:05Z

Move the softbits in the PGSTEs to the other usable area.

This leaves the 16-bit block of usable bits free, which will be used in the
next patch for something else.

Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
---
arch/s390/include/asm/pgtable.h | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 48268095b0a3..151488bb9ed7 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -419,9 +419,9 @@ static inline int is_module_addr(void *addr)
#define PGSTE_HC_BIT 0x0020000000000000UL
#define PGSTE_GR_BIT 0x0004000000000000UL
#define PGSTE_GC_BIT 0x0002000000000000UL
-#define PGSTE_UC_BIT 0x0000800000000000UL /* user dirty (migration) */
-#define PGSTE_IN_BIT 0x0000400000000000UL /* IPTE notify bit */
-#define PGSTE_VSIE_BIT 0x0000200000000000UL /* ref'd in a shadow table */
+#define PGSTE_UC_BIT 0x0000000000008000UL /* user dirty (migration) */
+#define PGSTE_IN_BIT 0x0000000000004000UL /* IPTE notify bit */
+#define PGSTE_VSIE_BIT 0x0000000000002000UL /* ref'd in a shadow table */

/* Guest Page State used for virtualization */
#define _PGSTE_GPS_ZERO 0x0000000080000000UL
--
2.47.1