DragKernel - a GTS7XL kernel

Modified kernel for Samsung Galaxy Tab S7+(SM-T975)

Special thanx to:

• https://github.com/ianmacd for his TWRP-compatible config
• https://github.com/freeza-inc,
• https://github.com/engstk,
• https://github.com/Jimbo77,
• https://github.com/flar2 for their patches
• https://github.com/osm0sis for his AnyKernel3
• https://github.com/andip71 for Boeffla WL Blocker
• https://github.com/tanish2k09 for K-Lapse livedisplay module
• https://github.com/kdrag0n for proton-clang
• https://github.com/LineageOS for gcc toolchain nested on github

Short description

This is a stock modified kernel from SM-T975 with bugfixes and new features. Android R. Current FW version - T975XXU2BUJ3

Features

• Wireguard support
• TTL fixing support
• CIFS, NFS support
• Removed DM_VERITY, AVB, SECURITY_DEFEX, etc.
• Removed unnecessary debugging and watchdogs
• Enhanced TCP methods (westwood is default, bbr, illinois, vegas, htcp, hstcp available)
• Magisk patched already
• ZEN, FIOPS, SIO, BFQ, MAPLE I/O schedulers(FIOPS default)
• Boeffla Wakelock blocker
• Configurable fsync
• K-Lapse
• Andrenoboost
• configs tuning
• and more...

GPU OC attempt successful to 683 MHz.

Used sources and toolchains

Kernel sources - here

Used toolchains:

GCC 4.9 by @LineageOS - here

Clang toolchain by @kdrag0n - here

Building

All toolchain are downloaded automatically as submodules, just run build_kernel.sh

Arch Linux

sudo pacman -Syy
sudo pacman -S base-devel git perl openssl ccache bc
git clone --recurse-submodules https://github.com/b1ad3runn3r/drag-kernel-t975 && cd drag-kernel-t975
chmod +x build_kernel.sh && ./build_kernel.sh

Ubuntu

sudo apt update
sudo apt install build-essential bc flex bison libncurses5-dev libssl-dev git ccache
git clone --recurse-submodules https://github.com/b1ad3runn3r/drag-kernel-t975 && cd drag-kernel-t975
chmod +x build_kernel.sh && ./build_kernel.sh

Post-building

Kernel gets packed into AnyKernel3 zip automatically. You don't need to do anything else

Troubleshooting

If your make task fails with "Permission denied", etc. and the failed file is a shell-script, use chmod +x script.sh