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kconfig: Have the 'SMP' option depend on 'USE_SWITCH'

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SMP requires the new-style '_arch_switch' to be enabled. To prevent
users from creating invalid configurations where SMP is enabled while
_arch_switch is not, we add a dependency from SMP to USE_SWITCH.

Signed-off-by: Sebastian Bøe <sebastian.boe@nordicsemi.no>
This commit is contained in:
Sebastian Bøe 2018-12-27 18:08:24 +01:00 • committed by Anas Nashif
commit 21d69579f5
1 changed files with 1 additions and 0 deletions
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kernel/Kconfig
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@ -662,6 +662,7 @@ config USE_SWITCH
config SMP
bool "Enable symmetric multithreading support"
depends on USE_SWITCH
help
When true, kernel will be built with SMP support, allowing
more than one CPU to schedule Zephyr tasks at a time.