On Wed, 3 Jun 2020 20:24:35 +0530 Harsh chopra <serviceprovider.tester at gmail.com> wrote: > Hi everyone, > I am using Centos 7.8.2003 kernel 3.10 > . I was trying to build and install the latest linux stable kernel > i.e. 5.7, I successfully did the process but accidentally messed it > up by copying the .config file again in 5.7 kernel src,I tried to > rebuild the 5.7 kernel but got make error as I was still on 5.7 > kernel. You may want to have a look at elrepo and the kernel-ml package. Doing this yourself can be painful. /Peter