diff options
| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-12-25 13:39:19 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-12-25 13:39:12 +0100 |
| commit | e37f50e1811d68170e4d58a087cf634b2bf1cef9 (patch) | |
| tree | 49296845bd5e651ca7ec70f1dedca6db8deedb66 /arch/s390/Kconfig | |
| parent | b3b59d3339c907b1dec3ce19f62b2a7f120d142d (diff) | |
[S390] Add processor type march=z10 and a processor type safety check.
This patch adds the code generation option for IBM System z10 and
adds a check in head[31,64].S to prevents the execution of a kernel
compiled for a new processor type on an old machine.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/Kconfig')
| -rw-r--r-- | arch/s390/Kconfig | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index e6efc1277b04..7a18d2380e2c 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -230,6 +230,14 @@ config MARCH_Z9_109 Class (z9 BC). The kernel will be slightly faster but will not work on older machines such as the z990, z890, z900, and z800. +config MARCH_Z10 + bool "IBM System z10" + help + Select this to enable optimizations for IBM System z10. The + kernel will be slightly faster but will not work on older + machines such as the z990, z890, z900, z800, z9-109, z9-ec + and z9-bc. + endchoice config PACK_STACK |