s390/topology: Add config option to switch to vertical during boot

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By default, all systems on s390 start in horizontal cpu polarization.
Selecting the new config option SCHED_TOPOLOGY_VERTICAL allows to build
a kernel that switches to vertical polarization during boot.

Acked-by: Heiko Carstens <hca@linux.ibm.com>
Tested-by: Mete Durlu <meted@linux.ibm.com>
Signed-off-by: Tobias Huschle <huschle@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

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Tobias Huschle 2024-08-12 13:39:32 +02:00 • committed by Vasily Gorbik

parent 9dd333e7af

commit 7e627f8193

2 changed files with 10 additions and 0 deletions

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8

arch/s390/Kconfig

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2

arch/s390/kernel/topology.c

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