diff options
| author | Heiko Carstens <hca@linux.ibm.com> | 2025-02-07 15:49:00 +0100 |
|---|---|---|
| committer | Vasily Gorbik <gor@linux.ibm.com> | 2025-03-04 17:18:06 +0100 |
| commit | 17d3804808091e3942d2744dc8155a3a918d88c3 (patch) | |
| tree | a0ddb8e9c5f29274d66246da57444c0693df57e4 /arch/s390/include/asm/machine.h | |
| parent | f931f67cfc274682aecc9f727eecc89779fc47b7 (diff) | |
s390/tlb: Convert MACHINE_HAS_TLB_GUEST to machine_has_tlb_guest()
Use static branch(es) to implement and use machine_has_tlb_guest()
instead of a runtime check via MACHINE_HAS_TLB_GUEST.
Also add sclp_early_detect_machine_features() in order to allow for
feature detection from the decompressor.
Reviewed-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/machine.h')
| -rw-r--r-- | arch/s390/include/asm/machine.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/include/asm/machine.h b/arch/s390/include/asm/machine.h index e0a0e4121d08..33cb4403fc82 100644 --- a/arch/s390/include/asm/machine.h +++ b/arch/s390/include/asm/machine.h @@ -11,6 +11,7 @@ #define MFEATURE_LOWCORE 0 #define MFEATURE_PCI_MIO 1 #define MFEATURE_SCC 2 +#define MFEATURE_TLB_GUEST 3 #ifndef __ASSEMBLY__ @@ -80,6 +81,7 @@ static __always_inline bool machine_has_##name(void) \ DEFINE_MACHINE_HAS_FEATURE(relocated_lowcore, MFEATURE_LOWCORE) DEFINE_MACHINE_HAS_FEATURE(scc, MFEATURE_SCC) +DEFINE_MACHINE_HAS_FEATURE(tlb_guest, MFEATURE_TLB_GUEST) #endif /* __ASSEMBLY__ */ #endif /* __ASM_S390_MACHINE_H */ |