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[S390] topology: define SD_MC_INIT to fix performance regression
authorHeiko Carstens <heiko.carstens@de.ibm.com>
Wed, 18 Mar 2009 12:27:33 +0000 (13:27 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Wed, 18 Mar 2009 12:28:12 +0000 (13:28 +0100)
commitf55d63854e426e95d7858c2662c2353262a5af70
tree626d95bcb9ae76c66641bb26cdd99235929958catree | snapshot (tar.gz zip)
parent4fa81ed27781a12f6303b9263056635ae74e3e21commit | diff
[S390] topology: define SD_MC_INIT to fix performance regression

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>
arch/s390/include/asm/topology.h diff | blob | blame | history
kernel source for telekom puls (alcatel/mediatek)