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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2007-07-10 13:24:10 +0400 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2007-07-10 13:24:43 +0400 |
| commit | 83119ad4a1ceacd99f380086c2855ae2c4268afc (patch) | |
| tree | 6da1d5cdba6e5bcd8fcdf5332700e8353b4e79a8 /arch/s390 | |
| parent | 05dd25307ca67cbfa0207bbba2e6c79fa97d125b (diff) | |
| download | linux-83119ad4a1ceacd99f380086c2855ae2c4268afc.tar.xz | |
[S390] sclp: Test facility list before executing a service call.
Check if a command is available before executing. Saves some
superfluous service calls that won't succeed anyway.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/kernel/early.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c index 9fcf3f1f47b6..e6289ee74ecd 100644 --- a/arch/s390/kernel/early.c +++ b/arch/s390/kernel/early.c @@ -275,6 +275,7 @@ void __init startup_init(void) sort_main_extable(); setup_lowcore_early(); sclp_readinfo_early(); + sclp_facilities_detect(); memsize = sclp_memory_detect(); #ifndef CONFIG_64BIT /* |