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| author |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2019-02-06 08:22:11 +0100 |
|---|---|---|
| committer |   Heiko Carstens <heiko.carstens@de.ibm.com> | 2019-09-13 12:19:14 +0200 |
| commit | a0e2251132995b962281aa80ab54a9288f9e0b6b (patch) | |
| tree | bf23cbba43986c2be02acf7e3bd3152539231489 /arch/s390/Kconfig | |
| parent | s390/crypto: Support for SHA3 via CPACF (MSA6) (diff) | |
| download | linux-dev-a0e2251132995b962281aa80ab54a9288f9e0b6b.tar.xz linux-dev-a0e2251132995b962281aa80ab54a9288f9e0b6b.zip | |
s390: add support for IBM z15 machines
Add detection for machine types 0x8562 and 8x8561 and set the ELF platform
name to z15. Add the miscellaneous-instruction-extension 3 facility to
the list of facilities for z15.
And allow to generate code that only runs on a z15 machine.
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Diffstat (limited to '')
| -rw-r--r-- | arch/s390/Kconfig | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 3289cc243d92..8c5b05d91106 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -237,6 +237,10 @@ config HAVE_MARCH_Z14_FEATURES def_bool n select HAVE_MARCH_Z13_FEATURES +config HAVE_MARCH_Z15_FEATURES + def_bool n + select HAVE_MARCH_Z14_FEATURES + choice prompt "Processor type" default MARCH_Z196 @@ -308,6 +312,14 @@ config MARCH_Z14 and 3906 series). The kernel will be slightly faster but will not work on older machines. +config MARCH_Z15 + bool "IBM z15" + select HAVE_MARCH_Z15_FEATURES + help + Select this to enable optimizations for IBM z15 (8562 + and 8561 series). The kernel will be slightly faster but will not + work on older machines. + endchoice config MARCH_Z900_TUNE @@ -334,6 +346,9 @@ config MARCH_Z13_TUNE config MARCH_Z14_TUNE def_bool TUNE_Z14 || MARCH_Z14 && TUNE_DEFAULT +config MARCH_Z15_TUNE + def_bool TUNE_Z15 || MARCH_Z15 && TUNE_DEFAULT + choice prompt "Tune code generation" default TUNE_DEFAULT @@ -378,6 +393,9 @@ config TUNE_Z13 config TUNE_Z14 bool "IBM z14" +config TUNE_Z15 + bool "IBM z15" + endchoice config 64BIT |