[Kernel][18.02.2022][Android 11] Kirisakura 1.1.1_R for Asus Rog Phone 3 aka OBIWAN

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sputplug

Member
Feb 16, 2022
7
0
Screenshot_20220216-111217396.jpg
 

Freak07

Recognized Developer / Recognized Contributor
Jan 2, 2011
5,530
18,328
previous kernel for *.185 some minor issues such as :-
1.) squeeze trigger for flashlight sometimes work and most of time not (failing rate 65-75%)
2.) zram feature totally dead (some users do still prefer to keep the zram feature when not gaming with flexibility to switch to better multitasking even though knowingly zram using extra cpu).
3.) bluetooth earpiece control (gaming mode, volume up/down) not able to work correctly most of the time with failure 70-87.5%.
4.) battery draining seems like extra 13-17.5% than default kernel.

the latest kernel for *.192 still with issues such as :-
1.) better battery consumption than previous kernel with slight improvement at 7.5-10% comparing to stock kernel.
2.) TOTALLY not displaying kernel info (was not having such issue with previous *.185 kernel with everything displayed flawlessly).

* squeeze trigger for flashlight working flawlessly with 0 failure on this *.192 kernel
kernel displaying as unavailable is explained in the FAQ in post #3.

squeeze and bluetooth volume control has nothing to do with the kernel.
there were also no changes in the kernel in the latest update, that could either impact squeeze or battery life.

All of those are not kernel related and something else is happening in the background.

Seems Asus ZRAM script doesn´t get triggered correctly after my kernel is flashed for whatever reason.
Updated kernel.zips are attached to this post. Just flash them and ZRAM should be either enabled or disabled depending on your choice for ZRAM in developer options.
 

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  • Kirisakura_OBIWAN_R_1.1.0.zip
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sputplug

Member
Feb 16, 2022
7
0
kernel displaying as unavailable is explained in the FAQ in post #3.

squeeze and bluetooth volume control has nothing to do with the kernel.
there were also no changes in the kernel in the latest update, that could either impact squeeze or battery life.

All of those are not kernel related and something else is happening in the background.

Seems Asus ZRAM script doesn´t get triggered correctly after my kernel is flashed for whatever reason.
Updated kernel.zips are attached to this post. Just flash them and ZRAM should be either enabled or disabled depending on your choice for ZRAM in developer options.
infact, i did flash it via fkm and twrp 3 times each after restoring the backup kernel stored in fkm. i don't think it's a coincidence nor bad luck after 6 time of flashing.

note : previous kernel of *.185 doesnt have such "kernel info can't display"
 

Freak07

Recognized Developer / Recognized Contributor
Jan 2, 2011
5,530
18,328
infact, i did flash it via fkm and twrp 3 times each after restoring the backup kernel stored in fkm. i don't think it's a coincidence nor bad luck after 6 time of flashing.

note : previous kernel of *.185 doesnt have such "kernel info can't display"
asus checks via regex for the kernel string the entire firmware was compiled with. if you flash any kernel, that wasn´t originally compiled with the entire firmware package this check will fail (due to the kernel version being inevitably different) and you will see unavailable.

It´s just an unfortunate cosmetic issue but nothing to worry about.
Code:
02-16 14:34:16.861  2953  2953 E AsusKernelVersionPreferenceController: Regex did not match on /proc/version: Linux version 4.19.204-Kirisakura-OBIWAN_R_1.1.0 ([email protected]) (Android (7612306, based on r428724) clang version 13.0.1 (https://android.googlesource.com/toolchain/llvm-project 6b0889cc0e9e868502342d9930a7717ff515e90b), LLD 13.0.1 (/buildbot/src/android/llvm-toolchain/out/llvm-project/lld 6b0889cc0e9e868502342d9930a7717ff515e90b)) #42 SMP PREEMPT Tue Feb 15 08:57:04 CET 2022
 
Last edited:

Captain_Throwback

Recognized Developer
infact, i did flash it via fkm and twrp 3 times each after restoring the backup kernel stored in fkm. i don't think it's a coincidence nor bad luck after 6 time of flashing.

note : previous kernel of *.185 doesnt have such "kernel info can't display"
Yes, every version of the kernel has shown as "Unavailable" in Settings. You are mistaken. And also, it's not a problem. It's just cosmetic as is mentioned above.
 

sputplug

Member
Feb 16, 2022
7
0
Yes, every version of the kernel has shown as "Unavailable" in Settings. You are mistaken. And also, it's not a problem. It's just cosmetic as is mentioned above.
no idea about it but for sure the previous kernel I've flashed on my device does indicate kernel info. anyway thanks for help and the work of the kernel for the community. the performance and buttery smoothness totally undisputable with noticable difference of 30-45%.
 

Freak07

Recognized Developer / Recognized Contributor
Jan 2, 2011
5,530
18,328
Update to 1.1.1_R

Hey guys and girls,


So here´s the next update.
The kernel is now made for the firmware 18.0410.2201.196. Please make sure to update to this firmware before flashing the kernel to avoid potential issues. You can always flash the previous kernel, before I find time to update the kernel with the latest source, just don´t report issues if you decide to do so.

Link to full firmware zip (WW): https://dlcdnets.asus.com/pub/ASUS/...S_I003_1-ASUS-18.0410.2201.196-1.1.5-user.zip

ZRAM is now created, when the setting developer options is enabled.

More details in the changelog below and on GitHub as usual.

I´d advise everybody to read the instructions in the OP and follow them. They are written for a reason, because they ensure everything will be working as expected.
Kernel is made for the latest stock rom from Asus, you must update your phone to the most recent Asus update, before flashing the kernel.

Enjoy!


Changelog:
- update f2fs fsck patch, to match new stock kernel version from .196 firmware
- fix ZRAM being disabled, despite setting in dev options enabled


I wish you all a nice day/evening!


Download is below :)

Download is in this folder:
Instructions how to flash the kernel can be found in the OP!
But look at this post too :)

To make use of the CleanSlate features you need to download both CleanSlate Apps:
Please take a look at the CleanSlate thread for CleanSlate features. On the CleanSlate thread you will find links to both apps, companion and configuration app, to control the CleanSlate features.
If you use the CleanSlate features and benefit over time, maybe think about giving something back to @tbalden and purchase them from PlayStore. :)


Have fun, enjoy the kernel and your phone.

Donations are not mandatory but very welcome.
If you like my work and want to buy me a coffee/green tea: http://paypal.me/freak07
 
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sputplug

Member
Feb 16, 2022
7
0
Update to 1.1.1_R

Hey guys and girls,


So here´s the next update.
The kernel is now made for the firmware 18.0410.2201.196. Please make sure to update to this firmware before flashing the kernel to avoid potential issues. You can always flash the previous kernel, before I find time to update the kernel with the latest source, just don´t report issues if you decide to do so.

Link to full firmware zip (WW): https://dlcdnets.asus.com/pub/ASUS/...S_I003_1-ASUS-18.0410.2201.196-1.1.5-user.zip

ZRAM is now created, when the setting developer options is enabled.

More details in the changelog below and on GitHub as usual.

I´d advise everybody to read the instructions in the OP and follow them. They are written for a reason, because they ensure everything will be working as expected.
Kernel is made for the latest stock rom from Asus, you must update your phone to the most recent Asus update, before flashing the kernel.

Enjoy!


Changelog:
- update f2fs fsck patch, to match new stock kernel version from .196 firmware
- fix ZRAM being disabled, despite setting in dev options enabled


I wish you all a nice day/evening!


Download is below :)

Download is in this folder:
Instructions how to flash the kernel can be found in the OP!
But look at this post too :)

To make use of the CleanSlate features you need to download both CleanSlate Apps:
Please take a look at the CleanSlate thread for CleanSlate features. On the CleanSlate thread you will find links to both apps, companion and configuration app, to control the CleanSlate features.
If you use the CleanSlate features and benefit over time, maybe think about giving something back to @tbalden and purchase them from PlayStore. :)


Have fun, enjoy the kernel and your phone.

Donations are not mandatory but very welcome.
If you like my work and want to buy me a coffee/green tea: http://paypal.me/freak07
the zram option doesnt seems to be working after flashing this custom kernel but i could toggle it on via fkm. anyway, thanks for your hard work to bring such wonderful custom kernel.

will it be possible to include tcp congestion control such as westwood+ into the future release? would be great too if i/o scheduler such as zen or fiops to be included in near future too. your kind consideration will be much appreciated. thanks and keep up the good work.
 

sputplug

Member
Feb 16, 2022
7
0
the zram option doesnt seems to be working after flashing this custom kernel but i could toggle it on via fkm. anyway, thanks for your hard work to bring such wonderful custom kernel.

will it be possible to include tcp congestion control such as westwood+ into the future release? would be great too if i/o scheduler such as zen or fiops to be included in near future too. your kind consideration will be much appreciated. thanks and keep up the good work.
it's still more than a decent custom kernel with all the current available options
 
Last edited:

sploink

Member
Jan 11, 2021
12
0
LG G4
Acer Predator 6
Update to 1.1.1_R

Hey guys and girls,


So here´s the next update.
The kernel is now made for the firmware 18.0410.2201.196. Please make sure to update to this firmware before flashing the kernel to avoid potential issues. You can always flash the previous kernel, before I find time to update the kernel with the latest source, just don´t report issues if you decide to do so.

Link to full firmware zip (WW): https://dlcdnets.asus.com/pub/ASUS/...S_I003_1-ASUS-18.0410.2201.196-1.1.5-user.zip

ZRAM is now created, when the setting developer options is enabled.

More details in the changelog below and on GitHub as usual.

I´d advise everybody to read the instructions in the OP and follow them. They are written for a reason, because they ensure everything will be working as expected.
Kernel is made for the latest stock rom from Asus, you must update your phone to the most recent Asus update, before flashing the kernel.

Enjoy!


Changelog:
- update f2fs fsck patch, to match new stock kernel version from .196 firmware
- fix ZRAM being disabled, despite setting in dev options enabled


I wish you all a nice day/evening!


Download is below :)

Download is in this folder:
Instructions how to flash the kernel can be found in the OP!
But look at this post too :)

To make use of the CleanSlate features you need to download both CleanSlate Apps:
Please take a look at the CleanSlate thread for CleanSlate features. On the CleanSlate thread you will find links to both apps, companion and configuration app, to control the CleanSlate features.
If you use the CleanSlate features and benefit over time, maybe think about giving something back to @tbalden and purchase them from PlayStore. :)


Have fun, enjoy the kernel and your phone.

Donations are not mandatory but very welcome.
If you like my work and want to buy me a coffee/green tea: http://paypal.me/freak07
Thanks for this update. I have an issue to report. When I l'm trying to cast my phone to a TV, my device randomly restarts, between 1 min - 5 mins.
 

sputplug

Member
Feb 16, 2022
7
0
currently on official firmware *.196 but out of curiosity i flashed the kirisakura kernel *.185 and to my suprise it's working even better without those funny mysterious glitches/bugs. it's also running on magisk 24.1. I'm not sure it's just a coincidence or the official asus firmware 192 and 196 the culprit of those funny bugs. my currently device is very much stable than using kirisakura kernel 196 even my ota updated official kernel is 196 and using kirisakura 185.

p.s. @Freak07 : kindly to help test it out and confirm it.
 
D

Deleted member 12062341

Guest
I love LED features in this kernel. But is it possible to disable LED when screen is on? Because its useless when screen is on and its annoying to look at screen with it on. I could just use LED dimmer, but i want it to be bright when screen is off.
 
D

Deleted member 12062341

Guest
I will DeGoogle my phone and remove a lot of bloatware. Will i face any problems if i use this kernel on phone without Google?
 

Joodooos

New member
Apr 25, 2022
2
0
Will this kernel improve my gaming performance on games like PUBG Mobile? Or it will make it worse?
 

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  • 14
    Kirisakura-Kernel for the Rog Phone 3

    Hello everyone,

    To keep it short: Here is Kirisakura - Kernel for the Rog Phone 3 aka OBIWAN.
    I would appreciate if everybody that flashes the kernel, reads at least once through this opening post and the following ones.

    Kirisakura - Kernel is designed to bring a handful of beneficial features to the device, while ensuring excellent performance and smoothness to get you safely through the day!

    This project aims to keep most of the subsystems updated, way ahead of the stock kernel, thereby improving security and performance, while keeping stability as the foucs during testing! This includes Linux-Stable, CAF-Upstream and kernel/common.
    Kernel Control Flow Integrity (Kernel-CFI), which is achieved by linking the kernel with LLD and Link Time Optimization (LTO), more precisely ThinLTO, are quite unique security features. In fact this, alongside Kirisakura-Kernel for the OnePlus 8 Pro, may be (and probably is) the first 4.19 msm kernel with a fully working Kernel-CFI implementation and CFI-Violations fixed on a smartphone.
    The only kernels made by OEMs offering this security feature are the ones for the Pixel 3 and Pixel 4 devices.
    The recently released Kirisakura-Kernel for the OnePlus 8 Pro was featured on the XDA-Portal due to the inclusion of CFI. The featured article explains CFI in great details, is easy to understand and definitely worth to read.

    Another security feature is Shadow Call Stack (SCS). Similar to CFI, only the Pixle 3 and 4 Kernel use this security feature.
    SCS is another security patchset that is aimed at preventing attacks via return oriented programming (ROP).
    ROP is a technique where the attacker gains control of the kernel stack to overwrite function return addresses and redirect execution to carefully selected parts of existing kernel code.
    If you´re interested here are a few good links:
    Google Security Blog explaining SCS.
    LLVM doc about SCS
    Android DOCs documenting SCS

    If reading about upstream in the paragraph above got you curious,have a read about Linux-Stable and why it is important here. The stable-process is not the same for every subsystem, but the general idea, rule of thumb and benefits are applicable for other subsystems as well.

    Quick explanation of CAF-Upstream. CAF is short for Codeaurora-Forums. This is the place where development from Qualcomm for their SoCs happens. This includes the Snapdragon 865/+ that´s built into the different SKUs of the Rog Phone 3.
    The kernel-bases available on the Codeaurora-Forums, are basically the foundations OEMs use, to build their own kernel additions on top for devices featuring Qualcomm SoCs.
    The Qualcomm developers push regular updates to the bases of the different SoCs, a bit similar to how Linux-Upstream works. OEMs usually stop updating the initial base after the phone is released.
    This kernel focuses amongst the other features to provide the latest CAF-Updates merged in a regular manner, to provide updates, improvements and enhancements for SoC specific drivers and subsystems! This might take a while, because a lot of device specific testing is done on my end to ensure stability.

    The kernel includes a lot of improvements and contributions from other developers as well. Without this kernel would not exist.
    I´d like to mention @tbalden ´s excellent CleanSlate features at this place. They improve usability by a big margin for me personally. The highly customizable sweep to sleep implementation (adjustable to different navigation settings), long tap to bring down status bar (very useful on a big device), backlight dimmer and notification reminder are very useful features that I use personally every day.
    Another big part of improvements originate from @arter97´s, @kdrag0n´s and @Sultanxda´s work. Many others contributed in some way or another to this kernel.
    A big thanks to all of them at this place!

    Now lets continue with a list of features in the next paragraph!


    Main Features:
    - Based on latest kernel sources from Asus for Android 11 and intended for use on the latest Asus Stock-Firmware (currently 18.0410.2201.196)
    - compiled with Clang 13.0.1 and built with -O3 speed optimizations
    - Linux-Stable-Upstream included to 4.19.204
    - CAF base for the Snapdragon 865/+ (SD865/+) updated to upstream CAF
    - Kernel Control-Flow-Integration (CFI) andLink-Time-Optimization (LTO) ported from 4.19 kernel/common and Pixel 4/XL Kernel
    - Shadow Call Stack (SCS) Security-Feature
    - Use ThinLTO which was first used in the Pixel 4 XL Android R-Preview Kernel instead of full LTO for full program visibility (needed by CFI)
    - fix CFI-Violations found in various subsystems like Asus/device specific drivers and qualcomm drivers
    - Link the kernel with LLD and use RELR-Relocation
    - include important fixes/improvements from kernel/common
    - Flashing the kernel will keep root!
    - Cleanslate Features included! See @tbaldens´s CleanSlate Thread for more information
    - Flashable via EXKM, FKM or TWRP on a rooted system!
    - Anykernel zip is based on the Anykernel3 release from @osm0sis
    - disable various debugging configs, that are not needed in a perf build kernel according to google.
    - disable selinux auditing (we don´t have to adress selinux denials running a stock rom)
    - display tweaks to reduce power consumption on statically rendered images
    - tweak display to allow better visibility of black levels/colours on low brightness ( example pictures )
    - allow experimental 165hz refresh rate for the panel. (use with caution)

    EAS related features:
    - EAS implementation patched up to latest CAF state
    - disable autogroups and use cgroups for more efficient task placement!
    - updates from kernel/common
    - scheduler updates from Googles Pixel kernel

    CPU related features:
    - Change various drivers (WLAN, MM, audio, charger, power, thermal, glink etc) to user power efficient workingqueues. This compliments EAS
    - include cpuidle patches from CAF
    - improvements to cpufreq/times/stats
    - improve memory allocations in binder driver
    - use s2idle for deepsleep, as pixel 4/5
    - vdso32 patches as found on Google Pixel devices (brief documentation here)
    - enable lse atomics
    - arm64: lse: Prefetch operands to speed up atomic operations, thanks @kdrag0n
    - implement fast refcount checking

    GPU related features:
    - GPU driver updated to latest CAF-State
    - remove POPP functionality from GPU driver to avoid constant fight about downscaling with msm-adreno-tz
    - don´t wake the gpu on touch input, instead wake when receiving an ioctl
    - don´t copy fence names by default to save a bit of cpu-time (explanation)
    - msm: kgsl: Stop slab shrinker when no more pages can be reclaimed
    - gpu/kgsl improvements from pixel 4/pixel 5 kernel

    File System related features:
    - improve memory allocations in sdcardfs
    - improve eventpoll logging to stop indicting timerfd (improves kernel wakelock readability)
    - improve memory allocations in kernfs
    - writeback: hardcode dirty_expire_centisecs=3000 based on this commit
    - f2fs-stable upstream, that includes ATGC
    - ufs improvements from pixel 4/ pixel 5 kernel

    UI/UX/Usability related features from CleanSlate:
    - CleanSlate features made by @tbalden
    - Disclaimer: All CleanSlate features can be controlled via the free companion and config app found on CleanSlate thread here on the ROG 3 Forums on XDA. Please consider buying the premium versions if you enjoy using the CleanSlate features, to give a little something back to @tbalden.
    - Flashlight Notification/Call blinking
    - Vibrating Notification Reminder
    - Sweep to Sleep touchscreen gesture - highly customizable
    - DoubleTap on Sweep2Sleep's area gestures - new way to pull down android Notification Area
    - Face down screen off - new gesture
    - Backlight Dimmer - possibility to use lower panel brightness
    - Force FPS Level on Low Brightness
    - Squeeze Control
    - advanced notification LED control, chromatic charge LED, pulsating LED, LED dimming

    Network related features:
    - Wireguard Support (Details)
    - advanced TCP algorithms enabled
    - includes new bbr and bbr2
    - fix CVE-2020-14386

    Memory related features:
    - Speculative Page Faults left enabled (1. 2) (CAF default)
    - various fixes for PSI-Monitor, which is used by the userspace lowmemorykiller-daemon
    - Fix various memory leaks in different subsystems
    - improved mm with patches from mainline
    - various other changes from mainline
    - included zstd as an option for ZRAM-algorithm (lz4 is probably the best all around, so only change it if you know why and what you are doing)
    - improve memory allocations in various subsystems
    - ported per process reclaim from Pixel 5 kernel, instead of using outdated CAF implemenation

    Security related features:
    - Control-Flow-Integration (CFI) and Link-Time-Optimization (LTO) ported from 4.19 kernel/common and Pixel 4/XL Kernel
    - Use ThinLTO which was first used in the Pixel 4 XL Android R-Kernel instead of full LTO
    - Shadow Call Stack (SCS) Security-Feature
    - fix various CFI-Violations found in various subsystems like Asus/device specific drivers and qualcomm drivers
    - enable init_on_alloc for even more security, more information can be found in the commit message
    - Backport mainline Selinux commits, thanks @arter97 (you must be on magisk 21.0, otherwise the kernel won´t boot)


    Misc Features:

    TCP Congestion Algorithms:
    - advanced algorithms enabled, enable them with your favorite kernel manager
    - includes new bbr2
    Wakelock Blocker:
    - advanced wakelock blocker with the ability to block any wakelocks (dangerous, use with caution)
    - please read [URL="https://arstechnica.com/gadgets/2018/08/p-is-for-power-how-google-tests-tracks-and-improves-android-battery-life/"]this for further info
    - blocking a kernel wakelock should only be done in case of firmware incompatabilities (WiFi network at work (can´t be changed) causes deep sleep to not work on the phone.) That´s the only use case I see for this feature. The kernel does not features this to improve battery life!

    Other features:
    - disable logging and debugging to make the kernel more lightweight in various places (includes binder, mm, vma, gpu, ipa etc)
    - fix several coding issues detected by newer Clang-Toolchains
    - add support for steam controller
    - add support for nintendo switch controller
    - ufs improvements from pixel 4/ pixel 5 kernel
    - gpu/kgsl improvements from pixel 4/pixel 5 kernel
    - display tweaks to reduce power consumption on statically rendered images

    Feature section for the "non visible" but perceptible improvements:
    - updated binder section (responsible for interprocess communication)
    - updated sdcardfs ; have a read about it here:



    Flashing Guide, Download and Changelog

    A description how to flash the kernel, links for download and a changelog can be found in the second post!


    Contributors
    Freak07
    Source Code: https://github.com/freak07/Kirisakura_OBIWAN

    Version Information
    Status:
    Stable
    10
    Update to 1.0.0_R

    Hey guys and girls,


    I hope everybody had a great week so far. Here it finally is, the update for Android 11.
    The kernel includes all previous features from Android 10.
    Due to the upstream CAF-bases being completely different and incompatible between Android 10 and Android 11 and this kernel being as far from stock kernel as it can get, the kernel needed to be rebased from scratch.
    This was a long and tedious process.

    The kernel is now made for the firmware 18.0410.2106.138. Please make sure to update to this firmware before flashing the kernel to avoid potential issues. You can always flash the previous kernel, before I find time to update the kernel with the latest source, just don´t report issues if you decide to do so.

    Link to full firmware zip: https://dlcdnets.asus.com/pub/ASUS/...S_I003_1-ASUS-18.0410.2106.138-1.1.5-user.zip


    More details in the changelog below and on GitHub as usual.

    I´d advise everybody to read the instructions in the OP and follow them. They are written for a reason, because they ensure everything will be working as expected.
    Kernel is made for the latest stock rom from Asus, you must update your phone to the most recent Asus update, before flashing the kernel.

    Enjoy!


    Changelog:
    - Update for Android 11
    - Include Source for 18.0410.2106.138
    - Include linux-stable upstream to 4.19.200 (stock android 11 is at 4.19.110)
    - include latest CAF-upstream for the A11 base
    - use prebuilt clang 12.0.7 from google for compilation
    - retain all previous features from android 10 (please refer to the OP)

    I wish you all a nice day/evening!


    Download is below :)

    Download is in this folder:
    Instructions how to flash the kernel can be found in the OP!
    But look at this post too :)

    To make use of the CleanSlate features you need to download both CleanSlate Apps:
    Please take a look at the CleanSlate thread for CleanSlate features. On the CleanSlate thread you will find links to both apps, companion and configuration app, to control the CleanSlate features.
    If you use the CleanSlate features and benefit over time, maybe think about giving something back to @tbalden and purchase them from PlayStore. :)


    Have fun, enjoy the kernel and your phone.

    Donations are not mandatory but very welcome.
    If you like my work and want to buy me a coffee/green tea: http://paypal.me/freak07
    7
    Requirements

    - unlocked Bootloader
    - USB-Debugging in developer options enabled
    - latest adb and fastboot binaries
    - working adb and fastboot environment
    - latest magisk stable root environment
    - a backup of boot.img and dtbo.img to be able to restore to stock.


    How to flash the Kernel:

    1. Download the latest kernel.zip and make sure you have properly updated to the latest matching Asus Stock-Firmware. When the Rog 3 receives an update it takes Asus a while to release the source code for the new OS and me a while to build a new kernel. If you don´t want to face any issues, wait until I either release an updated kernel or give green light because there were no kernel changes.
    Always make sure to run the firmware the kernel is built for!

    1a. Optional: While it may not be necessary all times, you may want to restore stock boot.img as well as dtbo.img, re-root with magisk and optionally install twrp.zip if coming from another kernel. Before reporting issues make sure you do that! Thank you!

    2. Make sure to meet all the requirements listed above.

    3. Flash the kernel.zip via latest EXKM or FKM app, or TWRP and do a full reboot.

    4. Reboot and profit. Set CleanSlate features as you desire by installing both apps and choose according to your liking.


    DOWNLOAD:
    Download is located always in this folder:
    https://www.androidfilehost.com/?w=files&flid=316676

    Important: Read after Download
    Please take a look at the second post after flashing the kernel!

    Changelog:

    Android 10

    1.0.0 Initial Release
    1.0.1 https://forum.xda-developers.com/showpost.php?p=83393257&postcount=12
    1.0.2 https://forum.xda-developers.com/showpost.php?p=83409591&postcount=28
    1.1.7 https://forum.xda-developers.com/showpost.php?p=83518681&postcount=32
    1.2.2 https://forum.xda-developers.com/showpost.php?p=83539471&postcount=33
    1.2.3 https://forum.xda-developers.com/showpost.php?p=83552967&postcount=38
    1.5.0 https://forum.xda-developers.com/showpost.php?p=83815367&postcount=74
    1.8.2 https://forum.xda-developers.com/t/...-rog-phone-3-aka-obiwan.4155505/post-84199477
    1.9.4 https://forum.xda-developers.com/t/...-rog-phone-3-aka-obiwan.4155505/post-84404331
    2.1.0 https://forum.xda-developers.com/t/...-rog-phone-3-aka-obiwan.4155505/post-84693785
    2.1.1 https://forum.xda-developers.com/t/...-rog-phone-3-aka-obiwan.4155505/post-84717725
    2.2.0 https://forum.xda-developers.com/t/...-rog-phone-3-aka-obiwan.4155505/post-84752157
    2.2.2 https://forum.xda-developers.com/t/...-rog-phone-3-aka-obiwan.4155505/post-84762283
    2.2.4 https://forum.xda-developers.com/t/...-rog-phone-3-aka-obiwan.4155505/post-85029489
    2.2.5 https://forum.xda-developers.com/t/...-rog-phone-3-aka-obiwan.4155505/post-85119205

    Android 11
    1.0.0_R https://forum.xda-developers.com/t/...-rog-phone-3-aka-obiwan.4155505/post-85434269
    1.0.1_R https://forum.xda-developers.com/t/...-rog-phone-3-aka-obiwan.4155505/post-85437987
    1.0.5_R https://forum.xda-developers.com/t/...-rog-phone-3-aka-obiwan.4155505/post-85540573
    1.0.7_R https://forum.xda-developers.com/t/...-rog-phone-3-aka-obiwan.4155505/post-85797081
    1.0.9_R https://forum.xda-developers.com/t/...-rog-phone-3-aka-obiwan.4155505/post-86238185
    1.1.0_R https://forum.xda-developers.com/t/...-rog-phone-3-aka-obiwan.4155505/post-86428163
    1.1.1_R https://forum.xda-developers.com/t/...-rog-phone-3-aka-obiwan.4155505/post-86444523


    Donations:
    Donations are not mandatory but very welcome if you want to support development or just buy me a coffee/tea :)
    If you like my work: http://paypal.me/freak07

    Credits:
    Asus for the development device, giving me the opportunity to create this project!
    @osm0sis for all his work, including the ak3 installer!
    @tbalden for being the best HTC, Pixel, OnePlus and now Asus wingman!
    @LeeDroid and @mwilky for their awesome roms and work I used on multiple devices!
    @Captain_Throwback for all the mentoring and guidance!
    @Eliminater74 for bringing me into the game and the Inspiration
    @nathanchance for his upstream guidance and assistance
    @RenderBroken for helping me out
    @flar2 for all his work
    @joshuous for all the help he provided to me in the past!
    @arter97 for giving me advice
    @kdrag0n for his help and advices!
    @topjohnwu for magisk!
    7
    Update to 1.8.2

    Hey guys and girls,


    New Update. It includes the source for the new firmware 17.0823.2012.122.
    Make sure to update to this firmware, before flashing the kernel. The zip won´t flash by default on older firmware.

    On 1.8.2 Linux-Stable Upstream is merged, as well as CAF-Upstream.
    Memory improvements, small update to the scheduler, vdso32, and some others are mentioned in the changelog as usual. Some with links for those that like to read it.

    Disclaimer/Important:
    Since Release 1.5.0 Selinux-Mainline patches are backported now that Magisk 21.0 and greater support it. This gives selinux a performance boost.
    You need to have upgraded to magisk 21.0 before flashing the kernel!
    The download can be found here: https://github.com/topjohnwu/Magisk/releases/download/v21.0/Magisk-v21.0.zip
    Alternatively download latest magisk manager from here: https://github.com/topjohnwu/Magisk/releases/download/manager-v8.0.2/MagiskManager-v8.0.2.apk
    Go to Settings and set Magisk Channel to Beta to get Magisk 21.0!
    If you´re on of those that can´t boot 21.0 or greater with the stock kernel, update to 21.0 or higher and flash Kirisakura Kernel without a reboot. Your device should boot up fine.



    More details in the changelog below and on GitHub as usual.

    I´d advise everybody to read the instructions in the OP and follow them. They are written for a reason, because they ensure everything will be working as expected.
    Kernel is made for the latest stock rom from Asus, you must update your phone to the most recent Asus update, before flashing the kernel.

    Enjoy!


    Changelog:
    - Update Source Code to Asus Source 17.0823.2012.122 (make sure to update your phone before attempting to flash the kernel)
    - Linux-Stable Upstream 4.19.164
    - Merge latest CAF-Upstream
    - kernel/common updates
    - vdso32 patches as found on Google Pixel devices (brief documentation here)
    - Backport to enable CONFIG_HAVE_MOVE_PMD (see here) , thanks @arter97
    - Backport to enable CONFIG_HAVE_MOVE_PUD (commit here) , thanks @arter97
    - enable lse atomics
    - arm64: lse: Prefetch operands to speed up atomic operations, thanks @kdrag0n
    - f2fs improvements
    - scheduler improvements
    - other changes please take a look at github


    I wish you all a nice day/evening!


    Download is below :)

    Download:

    Kernel:
    https://www.androidfilehost.com/?fid=17248734326145705484
    Instructions how to flash the kernel can be found in the OP!
    But look at this post too :)

    To make use of the CleanSlate features you need to download both CleanSlate Apps:
    Please take a look at the CleanSlate thread for CleanSlate features. On the CleanSlate thread you will find links to both apps, companion and configuration app, to control the CleanSlate features.
    If you use the CleanSlate features and benefit over time, maybe think about giving something back to @tbalden and purchase them from PlayStore. :)


    Have fun, enjoy the kernel and your phone.

    If you like my work please consider a donation.
    Donations are not mandatory but very welcome.
    If you like my work and want to buy me a coffee/green tea: http://paypal.me/freak07
    6
    Update to 1.9.4

    Hey guys and girls,


    New Update. It includes the source for the new firmware 17.0823.2012.131.
    Make sure to update to this firmware, before flashing the kernel so no conflicts arise.

    1.9.4 includes latest Linux-Stable Upstream as well as CAF-Upstream.

    I also created a magisk module to hide the hardwarestub service warning for those with converted devices on my kernel. No paid app is required for it. Flash it via Magisk Manager and the notification will be hidden.
    Please note that refresh rate can´t be changed when the module is flashed. To able to change refresh rate or to remove the module, simple remove it in Magisk Manager and do a full reboot. I´ll attach it to the third post on this thread. There will be no support for this module from my side and no other support for converted devices.

    Disclaimer/Important:
    Since Release 1.5.0 Selinux-Mainline patches are backported now that Magisk 21.0 and greater support it. This gives selinux a performance boost.
    You need to have upgraded to magisk 21.0 before flashing the kernel!
    If you´re on of those that could not boot 21.0 or greater with the stock kernel, this issue is solved on magisk 21400 and above.



    More details in the changelog below and on GitHub as usual.

    I´d advise everybody to read the instructions in the OP and follow them. They are written for a reason, because they ensure everything will be working as expected.
    Kernel is made for the latest stock rom from Asus, you must update your phone to the most recent Asus update, before flashing the kernel.

    Enjoy!


    Changelog:
    - Update Source Code to Asus Source 17.0823.2012.131 (make sure to update your phone before attempting to flash the kernel)
    - use latest clang 12.0.2 prebuilt by google and fix clang errors
    - Linux-Stable Upstream 4.19.172
    - Merge latest CAF-Upstream
    - kernel/common updates
    - updates to usb_accessory
    - f2fs-stable upstream
    - implement fast refcount checking
    - other changes please take a look at github


    I wish you all a nice day/evening!


    Download is below :)

    Download:

    Kernel:
    https://www.androidfilehost.com/?fid=17248734326145726355
    Instructions how to flash the kernel can be found in the OP!
    But look at this post too :)

    To make use of the CleanSlate features you need to download both CleanSlate Apps:
    Please take a look at the CleanSlate thread for CleanSlate features. On the CleanSlate thread you will find links to both apps, companion and configuration app, to control the CleanSlate features.
    If you use the CleanSlate features and benefit over time, maybe think about giving something back to @tbalden and purchase them from PlayStore. :)


    Have fun, enjoy the kernel and your phone.

    If you like my work please consider a donation.
    Donations are not mandatory but very welcome.
    If you like my work and want to buy me a coffee/green tea: http://paypal.me/freak07