When we set NR_CPUS to something > than 8, we also need to set X86_BIGSMP
according to Kconfig:
config X86_BIGSMP
bool "Support for big SMP systems with more than 8 CPUs"
otherwise NR_CPU will end up being reset to 8
[YOCTO #10362]
Signed-off-by: Alejandro Hernandez <[email protected]>
---
cfg/smp.cfg | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/cfg/smp.cfg b/cfg/smp.cfg
index 22047746..bf7348cb 100644
--- a/cfg/smp.cfg
+++ b/cfg/smp.cfg
@@ -3,3 +3,7 @@ CONFIG_SCHED_SMT=y
# Increase default NR_CPUS from 8 to 64 so that platform with
# more than 8 processors can be all activated at boot time
CONFIG_NR_CPUS=64
+# The following is nedded when setting NR_CPUS to something
+# greater than 8 on x86 architectures, it should be automatically
+# disregarded by Kconfig when using a different arch
+CONFIG_X86_BIGSMP=y
--
2.12.0
--
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