[S390] topology: define SD_MC_INIT to fix performance regression

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The default values for SD_MC_INIT cause an additional cpu usage of up
to 40% on some network benchmarks compared to the plain SD_CPU_INIT
values. So just define SD_MC_INIT to SD_CPU_INIT.
More tuning needs to be done.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

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Heiko Carstens 2009-03-18 13:27:33 +01:00 • committed by Martin Schwidefsky

parent 4fa81ed277

commit f55d63854e

1 changed files with 2 additions and 0 deletions

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arch/s390/include/asm/topology.h

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