Hi Bruce,
Currently, the change pointed to by a .scc file not detected when
compile kernel, for example:
1, add DISTRO_FEATURES_append = " virtualization" to conf/local.conf to
enable virtualization DISTRO_FEATURES and also add meta-virtualization
layer to conf/bblayers.conf
2, bitbake -cconfigure linux-yocto
3,
$ grep -Rn CONFIG_IO_DELAY_0XED
tmp/work/qemux86_64-wrs-linux/linux-yocto/5.4.43+gitAUTOINC+aafb8f095e_9e1b13d7f9-r0/linux-qemux86_64-standard-build/.config
5367:# CONFIG_IO_DELAY_0XED is not set
4, modify the lxc.cfg which introduced by lxc.scc under
meta-virtualization layer
$ git diff
diff --git a/recipes-kernel/linux/linux-yocto/lxc.cfg
b/recipes-kernel/linux/linux-yocto/lxc.cfg
index 3fefc03..b7a19a8 100644
--- a/recipes-kernel/linux/linux-yocto/lxc.cfg
+++ b/recipes-kernel/linux/linux-yocto/lxc.cfg
@@ -1,3 +1,4 @@
+CONFIG_IO_DELAY_0XED=y
CONFIG_CGROUP_DEVICE=y
CONFIG_CPUSETS=y
CONFIG_PROC_PID_CPUSET=y
5, bitbake -cconfigure linux-yocto
6,
$ grep -Rn CONFIG_IO_DELAY_0XED
tmp-glibc/work/qemux86_64-wrs-linux/linux-yocto/5.4.43+gitAUTOINC+aafb8f095e_9e1b13d7f9-r0/linux-qemux86_64-standard-build/.config
5367:# CONFIG_IO_DELAY_0XED is not set
The change for CONFIG_IO_DELAY_0XED doesn't take effect.
Thanks,
Mingli
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