Monday, July 09, 2012

Samsung Galaxy S3: SpeedMod Kernel Changelog

This is the changelog of the SpeedMod kernel for the Samsung Galaxy S3:

Click here to download the Jelly Bean kernel for the Galaxy S3.
Click here to download the ICS kernel for the Galaxy S3.

K2-13:
- Rebuilt using GCC 4.6 toolchain from Android NDK r8e

K2-12:
- Updated to JB_Opensource_Update10 source code

K2-11:
- Disabled debugging: ANDROID RAM CONSOLE

K2-10:
- Updated to JB_Opensource_Update9 source code

K2-9:
- Rebuilt using GCC 4.7 toolchain from Android NDK r8e
- Enabled GCC 4.7 LTO (Link Time Optimization)

K2-7:
- Updated to JB_Opensource_Update8 source code
- Additional protection from data loss: disable ext4 delayed allocation (nodelalloc) *
* This will result in slightly lower IO benchmark scores (e.g. Quadrant) but no real-world difference

K2-6:
- Updated initramfs scripts from XXEMA2 Android 4.1.2 kernel
- REMOVED Samsung ExFAT module support to enable optimizations
- Rebuilt using Codesourcery 2012.03 GCC 4.6.3 toolchain
- Implemented kernel hack to support CRT-off animation

K2-5:
- Updated to JB_Opensource_Update7 source code
- Update7 source code includes the eMMC sudden death / SDS fix

K2-3:
- Updated to JB_Opensource_Update6 Samsung source code

K2-2:
- Moved to SuperSU (Existing Superuser app will be auto-replaced with SuperSU)
- Implemented fix for "freeze on FC (Force Close)" problem caused by dumpstate

K2-1:
- Updated to JB_Opensource_Update5 for Android Jelly Bean ROMs

K1-8:
- Added ExFAT support via Samsung's proprietary kernel modules
- Compiled using Codesourcery 2011.03 GCC 4.5.2 toolchain

K1-6B:
- Some tweaks to debug options

K1-6:
- Rebuilt based on GT-I9300_ICS_Opensource_Update4 source code
- Rebuilt using Codesourcery 2012.03 GCC 4.6.3 toolchain
- Minor tweaks to pegasusq cpu and hotplug governor
- Minor tweaks to GPU DVFS driver 

K1-5:
- Recompiled with different options

K1-3:
- Minor changes to compiler options
- sched_mc_power_savings set to 0 by default
- MDNIE color tuning: reduce color saturation for Standard mode
- Pegasus cpufreq governor tweaks
- CFQ IO scheduler tweaks
- Faster charging over USB (same charging rate as AC adapter)

K1-2:
- Rebuilt based on new GT-I9300_ICS_Opensource_Update3 source code

K1-1:
- Initial release


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