How to quickly update the zImage of my phone

Hi
I am building different versions of zImage, and I need to be able to flash the phone with it so I can test my software. My question is what is the best and fastest way to do this please? Currently I only have USB2 on my workstation, so as far as I know fastboot is not an option. What I do now is to pack the zImage into a boot.img and tar that with other files from the stockrom and flash the whole thing with Odin. My requirements are:
1- I need to have the phone rooted; so for now I have to root the phone after every flash
2- I want nothing else to change but the zImage
3- I like to keep everything else the same; i.e. my personal data, text messages, call logs, etc.
I am going to USB3 capability very soon.

Have zImage for kernel. What now?

I also have boot.img that works, but i want to use my kernel.

[Q] Trouble With Nexus 5 Kernel zImage

Haii guys!

So, i'm young "kernel developer".. I am actually not a coder, i just try to learn by making kernels and if they are stable enough i test them. So, till now i was working with Mako source - i had phone lg optimus g which i really close to mako and i based everything on Mako source.

Now i bought a new phone, Nexus 5. I am really satisfied by this phone on stock, but even more on custom ROM & Kernel.. But hey, it's me, i'm curious and i have to try to make stuff myself, so i choose to make my own kernel for Nexus 5.. More to learn than anything.

So, i started.. I forked this to my github and do some basic changes for me.. Just to start. I added graphite support and option to build with Linaro 4.9.4.. And i started to build. And it had some errors, so i also fixed them - fs/namespace.c error with 4.9 toolchains, so, i fixed it and it built with no trouble.

So, i was coming from world of Mako and took zImage, made a flashable zip with AnyKernel and flashed it.. And i was stuck at google logo with unlock icon. I restored twrp backup of previous kernel and started over and it booted normally...

Then i did some research and found out that i should use zImage-dtb because Nexus 5 uses something named device tree blob.. So, i did everything from scratch.

I forked same source as before, and did my changes over it.. Renamed kernel, added kernel build script, made my slightly modified defconfig, this time i used toolchain LinaroMod 4.9 from here and some other stuff.. I built with no trouble, used zImage-dtb as zImage in flashable zip as i saw in other kernels and flashed.. I was sure it will boot this time, none of those modifications was supposed to break anything.. But again, I am stuck at Google logo.

Have any of you guys any idea where i missed? Maybe wrong source? Wrong toolchain?

Here are some maybe useful links:

My source: https://github.com/Matthew-333/BlueMoon
My Changes: https://github.com/Matthew-333/BlueMoon/commits/master
Toolchain: https://github.com/hyper-toolchains/...d-arm-eabi-4.9
AnyKernel Template: https://github.com/koush/AnyKernel

I am using xUbuntu 15.04 64 bit..

Thank you if anybody manage to help me with this...

[Q] Trouble With Nexus 5 Kernel zImage

Haii guys!

So, i'm young "kernel developer".. I am actually not a coder, i just try to learn by making kernels and if they are stable enough i test them. So, till now i was working with Mako source - i had phone lg optimus g which i really close to mako and i based everything on Mako source.

Now i bought a new phone, Nexus 5. I am really satisfied by this phone on stock, but even more on custom ROM & Kernel.. But hey, it's me, i'm curious and i have to try to make stuff myself, so i choose to make my own kernel for Nexus 5.. More to learn than anything.

So, i started.. I forked this to my github and do some basic changes for me.. Just to start. I added graphite support and option to build with Linaro 4.9.4.. And i started to build. And it had some errors, so i also fixed them - fs/namespace.c error with 4.9 toolchains, so, i fixed it and it built with no trouble.

So, i was coming from world of Mako and took zImage, made a flashable zip with AnyKernel and flashed it.. And i was stuck at google logo with unlock icon. I restored twrp backup of previous kernel and started over and it booted normally...

Then i did some research and found out that i should use zImage-dtb because Nexus 5 uses something named device tree blob.. So, i did everything from scratch.

I forked same source as before, and did my changes over it.. Renamed kernel, added kernel build script, made my slightly modified defconfig, this time i used toolchain LinaroMod 4.9 from here and some other stuff.. I built with no trouble, used zImage-dtb as zImage in flashable zip as i saw in other kernels and flashed.. I was sure it will boot this time, none of those modifications was supposed to break anything.. But again, I am stuck at Google logo.

Have any of you guys any idea where i missed? Maybe wrong source? Wrong toolchain?

Here are some maybe useful links:

My source: https://github.com/Matthew-333/BlueMoon
My Changes: https://github.com/Matthew-333/BlueMoon/commits/master
Toolchain: https://github.com/hyper-toolchains/...d-arm-eabi-4.9
AnyKernel Template: https://github.com/koush/AnyKernel

I am using xUbuntu 15.04 64 bit..

Thank you if anybody manage to help me with this...