Files
linuxkit/kernel
zlim 8e5006f8f9 kernel: update README.md
Update description to reflect link to ../doc/kernels.md.

Signed-off-by: Zi Shen Lim <zlim.lnx@gmail.com>
2017-11-19 22:19:49 -08:00
..
2017-11-15 17:48:24 +01:00
2017-11-19 22:19:49 -08:00

See ../docs/kernels.md for more information on kernel builds.

To build with various debug options enabled, build the kernel with make DEBUG=1. The options enabled are listed in kernel_config.debug. This allocates a significant amount of memory on boot and you may need to adjust the kernel config on some systems. Specifically:

--- a/alpine/kernel/kernel_config
+++ b/alpine/kernel/kernel_config
@@ -415,8 +415,8 @@ CONFIG_DMI=y
 # CONFIG_CALGARY_IOMMU is not set
 CONFIG_SWIOTLB=y
 CONFIG_IOMMU_HELPER=y
-CONFIG_MAXSMP=y
-CONFIG_NR_CPUS=8192
+CONFIG_MAXSMP=n
+CONFIG_NR_CPUS=8
 # CONFIG_SCHED_SMT is not set
 CONFIG_SCHED_MC=y
 # CONFIG_PREEMPT_NONE is not set