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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2012-09-27 10:45:06 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2012-10-09 14:16:55 +0200 |
| commit | 85e9d0e5ffabfede5facbac5b0d9b90768bc6e90 (patch) | |
| tree | b158c8bde347cd8cabd24265dfe65884a08db701 /arch/s390/include/asm/setup.h | |
| parent | 3c7ef08bba65d1fef0b7486b30b5bbcdb42c5d9c (diff) | |
| download | linux-85e9d0e5ffabfede5facbac5b0d9b90768bc6e90.tar.gz linux-85e9d0e5ffabfede5facbac5b0d9b90768bc6e90.tar.bz2 linux-85e9d0e5ffabfede5facbac5b0d9b90768bc6e90.zip | |
s390/mm: use pfmf instruction to initialize storage keys
Make use of the pfmf instruction, if available, to initialize storage keys
of whole 1MB or 2GB frames instead of initializing every single page with
the sske instruction.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/setup.h')
| -rw-r--r-- | arch/s390/include/asm/setup.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h index a798985515b7..bc1b87b7453a 100644 --- a/arch/s390/include/asm/setup.h +++ b/arch/s390/include/asm/setup.h @@ -76,6 +76,7 @@ extern unsigned int s390_user_mode; #define MACHINE_FLAG_MVCOS (1UL << 8) #define MACHINE_FLAG_KVM (1UL << 9) #define MACHINE_FLAG_EDAT1 (1UL << 10) +#define MACHINE_FLAG_EDAT2 (1UL << 11) #define MACHINE_FLAG_LPAR (1UL << 12) #define MACHINE_FLAG_SPP (1UL << 13) #define MACHINE_FLAG_TOPOLOGY (1UL << 14) @@ -98,6 +99,7 @@ extern unsigned int s390_user_mode; #define MACHINE_HAS_MVPG (S390_lowcore.machine_flags & MACHINE_FLAG_MVPG) #define MACHINE_HAS_MVCOS (0) #define MACHINE_HAS_EDAT1 (0) +#define MACHINE_HAS_EDAT2 (0) #define MACHINE_HAS_SPP (0) #define MACHINE_HAS_TOPOLOGY (0) #define MACHINE_HAS_TE (0) @@ -110,6 +112,7 @@ extern unsigned int s390_user_mode; #define MACHINE_HAS_MVPG (1) #define MACHINE_HAS_MVCOS (S390_lowcore.machine_flags & MACHINE_FLAG_MVCOS) #define MACHINE_HAS_EDAT1 (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT1) +#define MACHINE_HAS_EDAT2 (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT2) #define MACHINE_HAS_SPP (S390_lowcore.machine_flags & MACHINE_FLAG_SPP) #define MACHINE_HAS_TOPOLOGY (S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY) #define MACHINE_HAS_TE (S390_lowcore.machine_flags & MACHINE_FLAG_TE) |