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kernel: smp: group SMP options in Kconfig file

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Move SMP option together and align help text.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
This commit is contained in:
Anas Nashif 2018-02-25 22:12:35 -05:00 • committed by Anas Nashif
commit ee9bebf7d0
1 changed files with 13 additions and 10 deletions
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23
kernel/Kconfig
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@ -586,33 +586,36 @@ config MAX_DOMAIN_PARTITIONS
help help
Configure the maximum number of partitions per memory domain. Configure the maximum number of partitions per memory domain.
menu "SMP Options"
config USE_SWITCH config USE_SWITCH
bool bool
prompt "Use new-style _arch_switch instead of __swap" prompt "Use new-style _arch_switch instead of __swap"
default n default n
help help
The _arch_switch() API is a lower level context switching The _arch_switch() API is a lower level context switching
primitive than the original __swap mechanism. It is required primitive than the original __swap mechanism. It is required
for an SMP-aware scheduler, or if the architecture does not for an SMP-aware scheduler, or if the architecture does not
provide __swap. In uniprocess situations where the provide __swap. In uniprocess situations where the
architecture provides both, _arch_switch incurs more somewhat architecture provides both, _arch_switch incurs more somewhat
overhead and may be slower. overhead and may be slower.
config SMP config SMP
bool bool
prompt "Enable symmetric multithreading support" prompt "Enable symmetric multithreading support"
default n default n
help help
When true, Zephyr will be build with SMP support, allowing When true, kernel will be built with SMP support, allowing
more than one CPU to schedule Zephyr tasks at a time. more than one CPU to schedule Zephyr tasks at a time.
config MP_NUM_CPUS config MP_NUM_CPUS
int int
prompt "Number of CPUs/cores" prompt "Number of CPUs/cores"
default 1 default 1
help help
Number of multiprocessing-capable cores available to the Number of multiprocessing-capable cores available to the
multicpu API and SMP features. multicpu API and SMP features.
endmenu
source "kernel/Kconfig.event_logger" source "kernel/Kconfig.event_logger"