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

Message ID 20250108181451.74383-13-imbrenda@linux.ibm.com (mailing list archive)
State New
Headers show
Series KVM: s390: Stop using page->index and other things | expand

Commit Message

Claudio Imbrenda Jan. 8, 2025, 6:14 p.m. UTC 
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(-)
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Patch

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