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sched/isolation: Make CONFIG_CPU_ISOLATION depend on CONFIG_SMP

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[ Upstream commit 975776841e689dd8ba36df9fa72ac3eca3c2957a ]

kernel/sched/isolation.c obviously makes no sense without CONFIG_SMP, but
the Kconfig entry we have right now:

	config CPU_ISOLATION
		bool "CPU isolation"
		depends on SMP || COMPILE_TEST

allows the creation of pointless .config's which cause
build failures.

Reported-by: kernel test robot <[email protected]>
Signed-off-by: Oleg Nesterov <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/
Signed-off-by: Sasha Levin <[email protected]>
This commit is contained in:
Oleg Nesterov 2025-03-30 15:49:55 +02:00 • committed by Greg Kroah-Hartman
commit 97d8b168cf
1 changed files with 1 additions and 1 deletions
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init/Kconfig
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@ -559,7 +559,7 @@ endmenu # "CPU/Task time and stats accounting"
config CPU_ISOLATION
bool "CPU isolation"
depends on SMP || COMPILE_TEST
depends on SMP
default y
help
Make sure that CPUs running critical tasks are not disturbed by