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authorHeiko Carstens <heiko.carstens@de.ibm.com>2012-09-27 10:45:06 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2012-10-09 14:16:55 +0200
commit85e9d0e5ffabfede5facbac5b0d9b90768bc6e90 (patch)
treeb158c8bde347cd8cabd24265dfe65884a08db701 /arch/s390/include/asm/setup.h
parent3c7ef08bba65d1fef0b7486b30b5bbcdb42c5d9c (diff)
downloadop-kernel-dev-85e9d0e5ffabfede5facbac5b0d9b90768bc6e90.zip
op-kernel-dev-85e9d0e5ffabfede5facbac5b0d9b90768bc6e90.tar.gz
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.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h
index a798985..bc1b87b 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)
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