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[S390] sclp: Test facility list before executing a service call.

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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>
This commit is contained in:
Heiko Carstens
2007-07-10 11:24:10 +02:00
committed by Martin Schwidefsky
parent 05dd25307c
commit 83119ad4a1
5 changed files with 20 additions and 0 deletions
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arch/s390/kernel/early.c
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@ -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
/*