Ksplice is an open source extension of the Linux kernel which allows system administrators to apply security patches to a running kernel without having to reboot the operating system.
Install the Arch User Repository.AUR package from the
First, you need some files from the previous kernel build:
This example makes use of the
--diffext option which creates a patch based on the differences between the old and the new source files.
ksplice directory in the kernel source tree:
# mkdir -p src/ksplice
System.map over from the previous build:
# cp System.map src/ksplice
.config into the tree if it is not already in the source tree:
# cp .config src/
Create a ksplice patch and wait for the kernel to rebuild:
# ksplice-create --diffext=new src/
Apply the newly generated patch to the running kernel:
# ksplice-apply ksplice-*.tar.gz