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KVM: s390: move PGSTE softbits

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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.

Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Reviewed-by: Christoph Schlameuss <schlameuss@linux.ibm.com>
Link: https://lore.kernel.org/r/20250123144627.312456-15-imbrenda@linux.ibm.com
Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Message-ID: <20250123144627.312456-15-imbrenda@linux.ibm.com>
This commit is contained in:
Claudio Imbrenda 2025-01-23 15:46:26 +01:00
parent c27e002626
commit 1f4389931e
1 changed files with 3 additions and 3 deletions
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6
arch/s390/include/asm/pgtable.h
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@ -420,9 +420,9 @@ void setup_protection_map(void);
#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