[Buildroot] [PATCH 1/2] package/xenomai: smp support needs at least armv6
Yann E. MORIN
yann.morin.1998 at free.fr
Fri Feb 5 09:01:56 UTC 2021
Romain, All,
On 2021-02-02 21:56 +0100, Romain Naour spake thusly:
> There are no autobuilder failures for this issue, but the following
> defconfig:
>
> BR2_arm=y
> BR2_TOOLCHAIN_EXTERNAL=y
> BR2_PACKAGE_XENOMAI=y
> BR2_PACKAGE_XENOMAI_COBALT=y
>
> See:
> https://gitlab.denx.de/Xenomai/xenomai/-/blob/v3.1/lib/cobalt/arch/arm/include/asm/xenomai/features.h#L56
>
> Signed-off-by: Romain Naour <romain.naour at gmail.com>
> ---
> package/xenomai/Config.in | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/package/xenomai/Config.in b/package/xenomai/Config.in
> index b655733528..b1b02373c3 100644
> --- a/package/xenomai/Config.in
> +++ b/package/xenomai/Config.in
> @@ -110,6 +110,8 @@ endchoice
> config BR2_PACKAGE_XENOMAI_ENABLE_SMP
> bool "Enable SMP support"
> default y
> + # SMP not supported below armv6
> + depends on !BR2_ARM_CPU_ARMV4 || !BR2_ARM_CPU_ARMV5
This does not make sense:
- if you are using armv4, then you are not using armv5, and thus the
condition is true;
- if you are using armv5, then you are not using armv4, and thus the
condition is true;
- if you are using neither armv4 nor armv5, then the condition is true.
So, the condition is always true...
I've changed that to:
depends on !BR2_ARM_CPU_ARMV4 && !BR2_ARM_CPU_ARMV5
Applied to master with that fixed, thanks.
Regards,
Yann E. MORIN.
> help
> This option enables SMP support in Xenomai userspace.
>
> --
> 2.29.2
>
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