linux - How to compile a modified kernel which is different from the one installed on our computer? -

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i working on linux kernel 3.11.0-12. adding system call modifying source code downloaded kernel.org of linux-2.6.26. want compile modified 2.6.26 kernel test new system call. how should it?

1)if want build kernel same architecture on working then..

go linux source folder , fire below commands....

to clean: make distclean

to write config:

make defconfig

to build kernel:

make uimage

or make vmlinux image want build

2)for arm architecture...

to clean: make arch=arm cross_compile=arm-linux-gnueabihf- distclean

to write config: make arch=arm cross_compile=arm-linux-gnueabihf- defconfig

to build kernel: make arch=arm cross_compile=arm-linux-gnueabihf- uimage

3) using second step can build linux kernel platform toolchain use arch= cross_compile= macro per requirement......


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