[Buildroot] [PATCH v4 2/2] xenomai: Add config for enabling/disabling SMP
Pawel Sikora
sikor6 at gmail.com
Mon Apr 10 17:26:03 UTC 2017
Add a config option for enabling/disabling SMP
in Xenomai userspace in version 3.x
Enabled by default.
Signed-off-by: Pawel Sikora <sikor6 at gmail.com>
Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout at mind.be>
---
Changes v3 -> v4:
- No changes, just merging in series with 'core Cobalt/Mercury' patch
package/xenomai/Config.in | 17 +++++++++++++++++
package/xenomai/xenomai.mk | 6 ++++++
2 files changed, 23 insertions(+)
diff --git a/package/xenomai/Config.in b/package/xenomai/Config.in
index 324f5025a..efb504b35 100644
--- a/package/xenomai/Config.in
+++ b/package/xenomai/Config.in
@@ -78,6 +78,23 @@ config BR2_PACKAGE_XENOMAI_COBALT
in the Linux Kernel Extensions menu.
endchoice
+config BR2_PACKAGE_XENOMAI_ENABLE_SMP
+ bool "Enable SMP"
+ default y
+ help
+ This option enables SMP support in Xenomai userspace.
+
+ If this option is turned on while no SMP support is enabled
+ in the kernel, things will still work. However, if SMP is
+ enabled in the kernel but this option is not turned on,
+ Xenomai applications will complain with 'feature mismatch:
+ missing="smp/nosmp'.
+
+ Please refer to this troubleshooting guide for more
+ information:
+
+ http://xenomai.org/troubleshooting-a-dual-kernel-configuration/#feature_mismatch_missing8221smpnosmp8221
+
config BR2_PACKAGE_XENOMAI_TESTSUITE
bool "Install testsuite"
help
diff --git a/package/xenomai/xenomai.mk b/package/xenomai/xenomai.mk
index 73d9617b1..bd147a9ec 100644
--- a/package/xenomai/xenomai.mk
+++ b/package/xenomai/xenomai.mk
@@ -29,6 +29,12 @@ else
XENOMAI_CONF_OPTS += --with-core=cobalt
endif
+ifeq ($(BR2_PACKAGE_XENOMAI_ENABLE_SMP),y)
+XENOMAI_CONF_OPTS += --enable-smp
+else
+XENOMAI_CONF_OPTS += --disable-smp
+endif
+
define XENOMAI_REMOVE_DEVFILES
for i in xeno-config xeno-info wrap-link.sh ; do \
rm -f $(TARGET_DIR)/usr/bin/$$i ; \
--
2.12.1
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