/* Changelog */
r21
Boot issue fixed caused by improper switch to AK3
Brightness issue on exiting AOD fixed
LA.UM.8.3.r1-06300-sdm845.0 merged
Diag USB interface enabled for QPST
r20
Swap compressor backend(LZ4) updated
LA.UM.8.3.r1-06100-sdm845.0 merged
Linux v4.9.196 merged
Wi-Fi drivers updated to 5.1.1.74O
Latest f2fs-stable merged
r19
OnePlus changes merged including support for DC dimming
Linux v4.9.189 merged
Wi-Fi drivers updated to 5.1.1.73W
LA.UM.7.3.r1-08200-sdm845.0 merged
LA.UM.7.8.r1-06900-SDM710.0 merged (includes various scheduler improvements)
r18
Linux v4.9.186 merged
Wi-Fi drivers reverted back to stock Snapdragon 845 ones to resolve signal strength issues
Swap variant's LMK aggressiveness adjusted to use the stock values
r17b1
Linux v4.9.185 merged
LA.UM.7.3.r1-07900-sdm845.0 merged
LE.UM.3.2.1-00910-SDX24 merged
Wi-Fi drivers updated to 5.2.03.10Q
More debugging features removed from Wi-Fi drivers
Wi-Fi regulatory database taken from OnePlus to fix slow handshakes with 5 GHz APs (by LuK1337)
Faulty Low Memory Killer fixed to work better and resolve wake-up delays
General scheduler improvements backported
Virtual memory allocator performance improved
Task scheduler debugging disabled properly for lower overheads
Many parts of the kernel converted to use hotplug state machine
WireGuard updated to 20190702
Bunch of memory allocations from various subsystems were reworked to perform much better (thanks to Sultan) (total of 46 patches)
Debugging features disabled for Adreno GPU drivers to improve performance
Fixed an issue that was causing charging to be stopped randomly (details)
Rewritten IOMMU by Sultan reverted to resolve screen flickerings
Introducing a new swap variant for memory-hungry users
- Users with 6GB of memory or heavy multi-taskers are recommended to use the new swap variant
- Ditched conventional zram swap approach and taken zswap+vnswap for more efficient memory operations
- Backported zsmalloc memory allocator from mainline
- Backported zswap compressed page cache from mainline
- Samsung's Galaxy S9 memory modifications merged for better swapping efficiency tuned for Android
r16
Linux v4.9.180 merged
Wi-Fi drivers replaced with Snapdragon 855 drivers
- Switched from 5.1.1 to 5.2.03 release
- 1810 files changed, 851191 insertions(+), 187458 deletions(-)
- I've been internally using this for 3 weeks and noticed multiple improvements like faster handshakes and higher throughput without any issues
Fixed several memory management issues from previous releases
- This fixes multiple issues including performance regressions(wake-up delays, etc) and radio malfunctions
- Thanks to
@habylab for testing multiple builds prior to release)
Latest f2fs-stable merged
LA.UM.7.8.c3-06800-QCS605.0 merged
LE.UM.3.2.1-18400-SDX24 merged
Removed f2fs debug tracing codes added by Qualcomm
qseecom performance improved
Re-enabled kernel tracers for avoiding janks
32-bit vDSO added for improving performance on arm32 programs
Audio kernel updated LA.UM.7.3.r1-07800-sdm845.0
r15b1
Linux v4.9.175 merged
Wi-Fi drivers updated to 5.1.1.71H
Latest f2fs-stable merged
LA.UM.7.3.r1-07400-sdm845.0 merged
LA.UM.7.8.r3-01400-SDM710.0 merged
Fixed a Qualcomm issue that prevented audio-app stune creation
Fixed an improper timer operation in fuelguage driver causing battery statistics to not update until 20 minutes after boot
Merged various patches from Proton kernel by kdrag0n to lower overheads and improve responsiveness (thanks to kdrag0n, sultanxda and ab123321)
Applied various optimizations to the touch panel drivers
Now VLA-free
RCU boost enabled for better responsiveness
New patches made to f2fs for more efficient GC and trim
FBE(File Based Encryption) now works with f2fs
r14
Wi-Fi drivers updated to 5.1.1.71C
Disabled some debugging options to improve performance
Added vibration control
Added wcd934x sound control
r13
Reverted a problematic Wi-Fi drivers optimization causing Wi-Fi to not turn on after some period of time
r12
Fixed a faulty memory region removal causing kernel panics
(Thanks to
@habylab for directly testing builds)
r11
Reverted a minor Wi-Fi drivers improvement causing kernel panics
r10
AnyKernel2 is now being used
Linux v4.9.168 merged
Fixed a major memory management regression
Linux CMA pool size increased for better CMA efficiency
Improved memory allocation from the Wi-Fi drivers to reduce memory fragmentation
Fixed occasional kernel crashes(entering dumpmode) on shutdowns
r9
Linux v4.9.166 merged
LE.UM.3.2.1-11600-SDX24 merged
Use CONFIG_HZ = 300
- This changes context switching interval from 10ms to 3.33ms
- Pixel used this for years and Google recommends other vendors to do the same for fewer jitters
Some changes from Pixel 3’s Q preview kernel
Some mainline performance improvements to procfs merged
Removed RTB(interrupt) logging entirely
WireGuard updated to 20190227
Stock LowMemoryKiller parameter restored to hopefully fix wake-up delay and general lags
Fixed bq27541 fuelguage driver to properly work with CONFIG_HZ != 100
(Fixes various battery-related issues such as displaying -22% on initial boot)
Reverted a problematic memory management commit causing CMA allocation errors
Merged LA.UM.7.8.r1-05000-SDM710.0
Merged LA.UM.7.3.r1-06900-sdm845.0 audio kernel
Various changes made to f2fs rapid GC to make it more efficient
dirty_expire_centisecs set to 30 seconds to reduce flash wearouts and power consumption
Various changes merged from the Razer Phone 2 and Snapdragon 855
Kernel is now built with -O3 optimization flag
r8
Linux v4.9.163 merged
LE.UM.3.2.1-08000-SDX24 merged
Wi-Fi drivers updated to 5.1.1.70J
f2fs updated to 5.1 mainline version
Disabled qcom_rx_wakelock (details)
Reworked msm_geni_serial driver
- Lighter resource usage
- Lower power consumption upon wake(ISR)
- Fixed an issue preventing suspend indefinitely
Various changes from Proton kernel by kdrag0n
- Use flatmem to save kernel memory usage
- Use optimized memcmp
- Optimize rbtree
- Disable erratum 843419 properly
- Delay vmstat updating interval to avoid jitter
- Disable I/O stat accounting completely for lower overheads
- Reverted a cpuidle change for possible fix for power consumption regression during sleep
- Faster crypto algorithms ported(chacha20, sha2, crc32)
A bit lower power consumption by using WFE for long delays
Add accelerated crc32 routines
Use -O3 for input drivers for avoiding overheads
r7
Linux v4.9.160 merged
LA.UM.7.3.r1-06900-sdm845.0 merged
LA.UM.7.8.r1-04800-SDM710.0 Wi-Fi drivers merged
A totally new kernel base merged - LE.UM.2.3.2-05800-SDX24
- Total of 1153 commits and about 25,000 lines of code difference
- A lot has changed ranging from scheduler, memory management, device encryption, GPU and panel handling, UFS device driver, ION, cpuidle, binder and a whole lot more
OnePlus changes to OxygenOS 9.0.12 merged
- This includes display panel changes and may affect screen on/off delays
IRQ balancer settings updated to include UFS interrupts for better overall smoothness
Some of upstream camera commits applied for more reliable camera operations
Sultan’s display wake-up optimization re-applied after a bug fix revision
1.5
Linux v4.9.158 merged
Kernel configuration fixed for proper scheduler operation
OnePlus changes to display panel settings merged
Faulty screen optimization from Sultan reverted to fix occasional screen-on misses
Mainline f2fs fixes merged
LA.UM.7.8.r3-01100-SDM710.0 merged
- This new tag for Snapdragon 710 includes multiple enhancements over sdm845 tag, most notably scheduler improvements
WireGuard updated to 20190123
seccomp disabled in favor of less system-call overheads
Minor issue with f2fs rapid GC fixed
Fixed an issue with execprog causing readahead settings to be ignored on some boot
Modified IRQ balancer settings added for better smoothness
1.4
Linux v4.9.154 merged
ULPS during suspend disabled for (possibly)lower panel power consumption during screen-off
Audio HAL reworked to fix Type C audio adapter (thanks to
@Nezorflame for testing)
Patch level set back to 2019-01
1.3
Linux v4.9.153 merged
ZIP installation now uses proper security patch level to bypass SafetyNet
(If you install the kernel by fastboot/IMG method, it won't bypass SafetyNet)
Merged several changes from Sultan's Pixel 3 kernel
- Numerous memory leaks fixed
- GPU performance improved with corrected priority
- Faster display wake-up
- Lower power consumption
1.2
OnePlus 6T support added - thanks to freshgiammi and nezorflame for testing
Security level is set to 2025-12(
details)
1.1
CAF tag LA.UM.7.3.r1-06700-sdm845.0 merged
Linux v4.9.151 merged
Wi-Fi issue fixed (thanks to pappschlumpf for tipping me the culprit)
pstore kernel log is now properly saved
Custom TWRP integrated
Readahead set to 128kB to minimize page thrashing
IMG file is now provided for direct fastboot installation
1.0
Initial release