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authorHeiko Carstens <heiko.carstens@de.ibm.com>2007-07-10 11:24:10 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2007-07-10 11:24:43 +0200
commit83119ad4a1ceacd99f380086c2855ae2c4268afc (patch)
tree6da1d5cdba6e5bcd8fcdf5332700e8353b4e79a8 /arch
parent05dd25307ca67cbfa0207bbba2e6c79fa97d125b (diff)
downloadlinux-2.6.34-ux500-83119ad4a1ceacd99f380086c2855ae2c4268afc.tar.gz
[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')
-rw-r--r--arch/s390/kernel/early.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c
index 9fcf3f1f47b..e6289ee74ec 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
/*