Commit fcc43a7e authored Aug 14, 2025 by Heiko Carstens Committed by Alexander Gordeev Aug 20, 2025

s390/configs: Set HZ=1000



Similar to powerpc set HZ to 1000. See also commit a206d233
("powerpc/defconfigs: Set HZ=1000 on ppc64 and powernv defconfigs").

Besides other this will reduce the latency seen with synchronize_rcu().

Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>

parent eb173ce0

arch/s390/configs/defconfig

+1 −1

Original line number	Diff line number	Diff line
		@@ -47,7 +47,7 @@ CONFIG_LIVEPATCH=y
		CONFIG_MARCH_Z13=y
		CONFIG_NR_CPUS=512
		CONFIG_NUMA=y
		CONFIG_HZ_100=y
		CONFIG_HZ_1000=y
		CONFIG_CERT_STORE=y
		CONFIG_EXPOLINE=y
		CONFIG_EXPOLINE_AUTO=y

arch/s390/configs/zfcpdump_defconfig

+1 −1

Original line number	Diff line number	Diff line
		@@ -12,7 +12,7 @@ CONFIG_CC_OPTIMIZE_FOR_SIZE=y
		CONFIG_KEXEC=y
		CONFIG_MARCH_Z13=y
		CONFIG_NR_CPUS=2
		CONFIG_HZ_100=y
		CONFIG_HZ_1000=y
		# CONFIG_CHSC_SCH is not set
		# CONFIG_SCM_BUS is not set
		# CONFIG_AP is not set