[KERNEL][3.0.x][ICS] K^Kernel 3.0.x per ICS

[Christopher83]

Questo thread è dedicato a tutte le persone che utilizzano ancora una rom ICS (CM9 e derivate) e vorrebbero provare un kernel 3.0 alternativo che fornisce alcune funzionalità aggiuntive.
Farò del mio meglio per tenerlo aggiornato regolarmente e il più possibile allineato con il mio kernel per JB.
Spero che sarà utile, e garantisca migliori prestazioni e una buona durata della batteria.
Naturalmente, i vostri pareri, come sempre, sono i benvenuti e sicuramente preziosi.


Le principali caratteristiche sono le seguenti:
- Kernel 3.0.x
- Sorgenti sincronizzati con il branch ics-3.0 di Arco68
- Compilato con la mia custom toolchain Linaro 4.7.4-2013.08 ottimizzata per Cortex-A8
- Uso dei flag di compilazione ottimizzati per Cortex-A8 e NEON VFP (sia per il kernel che per i moduli)
- Uso dell'ottimizzazione -O2 per il kernel e -O3 per i moduli
- CPU overclockabile fino a 1824 MHz
- Undervolting standard delle frequenze della CPU (versioni UV) o undervolting estremo (versioni EXUV)
- CPU voltage control VDD sys interface (click per maggiori dettagli)
- 360MB, 370MB o 390MB di RAM libera
- Init.d
- Fast Charge (default disabilitato, click per maggiori dettagli)
- Battery Life eXtender (default disabled, click per maggiori dettagli)
- Ram Console (click per maggiori dettagli)
- Backlight Notification v9 (BLNv9) (click per maggiori dettagli)
- USB OTG (se supportato dalla rom)
- Intensità della vibrazione personalizzabile (click per maggiori dettagli)
- Diminuito il voltaggio del display panel
- Diminuito il voltaggio del touchscreen
- Diminuito il voltaggio del wifi
- Abbassato il valore di swappiness (60 -> 45)
- Aumentata la frequenza della CPU in fase di boot
- Routine ottimizzate AES e SHA1 per cpu con architettura ARM
- 100% battery notification al termine della fase di carica (rimozione del caricatore)
- Aumentata la potenza audio
- Supporto dei nuovi o vecchi driver wifi Broadcom
- Con Kolivas' CK3 Tweaks
- Ottimizzazione SLUB memory allocator
- Ottimizzazione algoritmo ARM RWSEM (read/write semaphore)
- Ottimizzazione asynchronous I/O latency per le sd card
- Libs string e memcopy ottimizzate
- Disabilitati i Gentle Fair Sleepers per migliori performance dell'interfaccia utente
- Read-ahead dinamico (basato sulla dimensione della sd)
- Supporto CIFS al boot
- Fast Random generator (frandom) (click per maggiori dettagli)
- Phantom key presses filter (nuovo modulo per il filtro di pressioni "fantasma", click per maggiori dettagli)
- Dynamic FSync v1.2 (click per maggiori dettagli)
- Dynamic dirty page writebacks (click per maggiori dettagli)
- Modifiche ai parametri della VM per migliori performance e riduzione dei consumi
- Modificati i parametri del LowMemoryKiller per migliori performance
- Risolto il problema legato ai SOD (Screen of Death) (spegnimenti/reboot improvvisi)
- Timeout personalizzabile dei touchkey luminosi dopo la pressione dei pulsanti o del touchscreen (click per maggiori dettagli)
- Possibilità di attivare/disabilitare la retroilluminazione dei touchkey luminosi in caso di pressioni sul touchscreen (click per maggiori dettagli)
- Timer slack controller (click per maggiori dettagli)
- Gestione dinamica del minimo timer slack durante il suspend/resume (click per maggiori dettagli)

Governor CPU disponibili:
- Adaptive
- BrazilianWax
- Conservative
- Hyper
- Intellidemand
- Interactive
- InteractiveX
- LionHeart
- LulzActive
- OnDemand (default)
- OnDemandX
- Performance
- Powersave
- SmartAssV2

Scheduler I/O disponibili:
- BFQ
- CFQ
- Deadline
- Noop
- ROW (default)
- SIO
- V(R)


Download del kernel:

K^Kernel ICS Mediafire Folder



- v2.6 -
per CM 9
e tutte le rom derivate

Ulteriori Download:

Aggiornamento delle Adreno Libs per ICS

Come installare il kernel:
1) Download dello zip della versione preferita del kernel nella sdcard interna o esterna
2) Reboot in recovery
3) Flash del file compresso
4) Wipe cache e dalvik cache
5) Reboot del sistema



Sorgenti del kernel (su GitHub):

Branch di sviluppo del K^Kernel 3.0 per ICS

Informazioni utili:
- Special features and sysfs settings
- Frequently asked questions

Tabelle:

Risorse aggiuntive:
Per ulteriori dettagli sulle funzionalità del kernel, la customizzazione di alcune di esse e altre utili info, vi invito a consultare anche il relativo thread su XDA:

K^Kernel 3.0.x for ICS

Crediti e ringraziamenti a:
Arco68 and Ivendor per il loro fantastico ed eccezionale lavoro e i loro sorgenti del kernel
CastagnaIT per i suoi sorgenti del kernel 2.6 dai quali ho sempre imparato molto e per le sue importanti innovazioni apportate al kernel
Doomsday94, Hadidjapri, Diablo555, Ezekeel, Doomlord, Faux123, Stratosk, Tegrak, ErasmuX, Imoseyon e altri dev che starò sicuramente dimenticando
CyanogenMod, Kernel.org, Code Aurora Forum, [Google], Linaro GCC developers

[Christopher83]

Changelog:

10/10/2013 - K^Kernel v2.6 for ICS
- Kernel 3.0.99
- Sources synched with ics-3.0 repo of Arco68 and ADC Team
- Built with my latest custom Linaro 4.7.4-2013.09 toolchain optimized for Cortex-A8
- New bootsplash logo
- mm: remove compressed copy from zram in-memory (credits to Minchan Kim)
- lib/lzo: Rename lzo1x_decompress.c to lzo1x_decompress_safe.c (credits to Markus F.X.J. Oberhumer)
- lib/lzo: Update LZO compression to current upstream version (credits to Markus F.X.J. Oberhumer)
- lib/lzo: huge LZO decompression speedup on ARM by using unaligned access (credits to Markus F.X.J. Oberhumer)
- ARM: 7668/1: fix memset-related crashes caused by recent GCC (4.7.2) optimizations (credits to Ivan Djelic)
- ARM: 7670/1: fix the memset fix (credits to Nicolas Pitre)
- msm: vidc: return error in case of init failure (credits to Pushkaraj Patil)
- Switched to SIO I/O scheduler
- Fixed change conflicts between custom settings and init.d settings during boot
- Possibility to disable the redirection to frandom number generator

11/09/2013 - K^Kernel v2.5 for ICS
- Kernel 3.0.95
- Sources synched with ics-3.0 repo of Arco68
- Built with my latest custom Linaro 4.7.4-2013.08 toolchain optimized for Cortex-A8
- Bluetooth: Fix for the l2cap layer crashes while turning OFF BT (credits to Nitin Shivpure)
- Enable setting security contexts on rootfs inodes (credits to Stephen Smalley)
- net: ipv6: add missing lock in ping_v6_sendmsg (credits to Lorenzo Colitti)
- net: ipv6: fix wrong ping_v6_sendmsg return value (credits to Lorenzo Colitti)
- msm_fb: Correct R and G offsets for correct mapping (credits to Jeevan Shriram, thanks to Arco68)
- USB: gadget: Cleanup boot-up message with default usb composition (credits to Mayank Rana, thanks to Arco68)
- cpufreq: interactive: fix show_target_loads and show_above_hispeed_delay (credits to Minsung Kim, thanks to Arco68)
- CIFS support on boot

05/08/2013 - K^Kernel v2.4 for ICS
- Kernel 3.0.89
- Sources synched with ics-3.0 repo of Arco68
- Built with my latest custom Linaro 4.7.4-2013.07 toolchain optimized for Cortex-A8
- Revert "ARM: 7765/1: perf: Record the user-mode PC in the call chain.", this should solve the battery charging failures (credits and thanks to Arco68)

25/07/2013 - K^Kernel v2.3 for ICS
- Kernel 3.0.87
- Sources synched with ics-3.0 repo of Arco68
- Built with my latest custom Linaro 4.7.4-2013.07 toolchain optimized for Cortex-A8
- msm: msm_fb: remove mmio access through mmap (credits to Manoj Rao, thanks to Arco68)
- writeback: Fix occasional slow sync(1) (credits to Jan Kara) 
- cfq-iosched: Fix null pointer dereference (credits to Sujit Reddy Thumma)
- staging: android: timed_gpio: Fix unreg order (credits to Olav Haugan)
- msm: cpufreq: Only apply driver limits for scaling_min/max_freq writes (credits to Deepak Katragadda)

07/07/2013 - K^Kernel v2.1 for ICS
- Kernel 3.0.85
- Sources synched with ics-3.0 repo of Arco68
- Built with my latest custom Linaro 4.7.4-2013.06 toolchain optimized for Cortex-A8
- Fixed an uninitialized spinlock for Interactive CPU governor (credits to Cyanogen, thanks to Arco68)
- Fixed atypo error in boot compressed Makefile (credits and thanks to Arco68)
- Timer slack controller (credits to Kirill A. Shutemov, thanks to Boype and Stuffynet)
- Dynamic management of the minimal timer slack value on suspend/resume

30/06/2013 - K^Kernel v2.0 for ICS
- Kernel 3.0.84
- Sources synched with ics-3.0 repo of Arco68
- Built with my latest custom Linaro 4.7.4-2013.06 toolchain optimized for Cortex-A8
- Updates and fix to Interactive CPU governor (credits to Lianwei Wang, thanks to Arco68)
- Fixes to graphic drivers (credits to Suman Tatiraju, thanks to Arco68)
- Fixes to ipv6 (credits to Hannes and Lorenzo Colitti, thanks to Arco68)
- Other minor fixes
- CK3 tweaks (credits and thanks to Con Kolivas)
- Increased battery check interval from 5 seconds to 15 seconds
- New static Cyanogen boot logo (credits and thanks to Stefano187)

24/06/2013 - K^Kernel v1.9 for ICS
- Kernel 3.0.83
- Sources synched with ics-3.0 repo of Arco68
- Built with my latest custom Linaro 4.7.4-2013.06 toolchain optimized for Cortex-A8
- Updates and fixes to Interactive CPU governor (credits to Todd Poynor and Minsung Kim, thanks to Arco68)
- Squashed update of BFQ-V6 to BFQ-v6r2 (thanks to Arco68)
- Customizable timeout of touchkeys backlight after a key press
- Customizable activation status of touchkeys backlight on touchscreen press
- Fix for discharging battery issue while charging to 100% (credits to Skywalker01)
- Fix to dynamic fsync to don't disable fdatasync (credits to Faux123)
- Enabled CleanCache

11/06/2013 - K^Kernel v1.8 for ICS
- Kernel 3.0.81
- Sources synched with ics-3.0 repo of Arco68
- Built with my latest custom Linaro 4.7.4-2013.05 toolchain optimized for Cortex-A8
- Re-added optimized string and memcopy libs (credits and thanks to Miao Xie)
- Dynamic Fsync (credits and thanks to Faux123)
- Dynamic dirty page writebacks
- VM tweaks for better performance and less battery consumption
- Revised LowMemoryKiller parameters for better performance

28/05/2013 - K^Kernel v1.7 for ICS
- Kernel 3.0.80
- Sources synched with ics-3.0 repo of Arco68
- Built with my latest custom Linaro 4.7.4-2013.05 toolchain optimized for Cortex-A8
- Remove a not needed mmc_power_off (credits and thanks to Arco68)
- Some display fixes (credits and thanks to Arco68)
- Lowered Vibetonz voltage
- Adjusted some voltage regulators
- Restored min read ahead (from 32 kbytes to 16 kbytes)
- Other fixes and optimizations to RWSEM (read and write semaphore) taken from 3.10 kernel

13/05/2013 - K^Kernel v1.6 for ICS
- Kernel 3.0.78
- Sources synched with ics-3.0 repo of Arco68
- Built with my latest custom Linaro 4.7.3-2013.04 toolchain optimized for Cortex-A8
- Removed pop-up noise at the end of power off sequence (credits and thanks to CastagnaIT)
- Changes to fix the suspend problems caused by BLN

28/04/2013 - K^Kernel v1.5 for ICS
- Kernel 3.0.75
- Sources synched with ics-3.0 repo of Arco68
- Built with my latest custom Linaro 4.7.3-2013.04 toolchain optimized for Cortex-A8
- Added Intellidemand CPU governor (credits and thanks to Faux123)
- Imported the new LowMemoryKiller from 3.4 kernel
- Changed the debug level of the LowMemoryKiller from 2 to 1
- Added Voku and Dorimanx tweaks to LowMemoryKiller (credits and thanks to them)
- Removed PMEM reservation for audio (credits and thanks to Arco68)

22/04/2013 - K^Kernel v1.4 for ICS
- Kernel 3.0.74
- Sources synched with ics-3.0 repo of Arco68
- Built with my latest custom Linaro 4.7.3-2013.04 toolchain optimized for Cortex-A8
- Phantom key presses filter (new module developed by me)
- Fixed WEP Connections (credits and thanks to Ivendor)
- Disabled Gentle Fair Sleepers for better UI performance
- Lowered touchscreen voltage
- Added BrazilianWax CPU governor
- Various changes and updates to ARM RWSEM (read/write semaphore) algorithm
- New available memory configuration with 390MB of free RAM (camera works, video recording works only in 480p mode)
- SOD fixed

02/04/2013 - K^Kernel v1.3 for ICS
- Kernel 3.0.71
- Sources reworked, cleaned and synched with ics-3.0 repo of Arco68
- Built with my latest custom Linaro 4.7.3-2013.03 toolchain optimized for Cortex-A8
- Used -O2 optimization flag for kernel image (to prevent display issues) and -O3 optimization for modules
- Revised PMEM allocations to preserve more memory for Surface Flinger
- Backlight Notification v9 (BLNv9) (credits and thanks to CastagnaIT)
- Customizable vibration intensity (credits and thanks to CastagnaIT)
- Ram Console support (credits and thanks to Ivendor)
- Optimized SLUB memory allocator (credits and thanks to CastagnaIT)
- Optimized ARM RWSEM algorithm (credits and thanks to Ashwin Chaugule)
- Filesystem dynamic read-ahead (based on disk size) (credits and thanks to Chad Goodman)
- Fast Random generator support (frandom) (credits and thanks to Eli Billauer)
- Optimized asynchronous I/O latency on solid state disks (credits and thanks to Dave Kleikamp)
- Fixed 100% battery notification after charger unplug
- Increased audio volume on board side
- New Broadcom Wireless drivers adapted by Samsung (dhd.ko) support for CM 9 by Arco68 RC 6 and next builds
- Added Adaptive and Hyper CPU governors

01/03/2013 - K^Kernel v1.2
- Kernel 3.0.66 sources synched with ics-3.0 repos of Ivendor and Arco68
- Built with my custom Linaro 4.7.3-2013.02 toolchain optimized for Cortex-A8
- Added Cortex-A8 and NEON VFP optimization flags (both kernel and modules)
- Added -O3 optimization flag (both kernel and modules)
- Added more CPU frequencies and overclockability up to 1824 MHz (thanks to Doomsday94)
- Added CPU frequencies undervolted (UV version) and extremely undervolted (EXUV version) options (thanks to CastagnaIT and Smeroni for the initial implementation for our device)
- Added 5 additional CPU governors (InteractiveX, LionHeart, LulzActive, OnDemandX, SmartAssV2)
- Added 2 additional I/O schedulers (SIO and VR)
- Some fixes and tuning to LuzActive CPU governor for better battery life
- Added CPU voltage control VDD sys interface (thanks to Doomlord)
- Added 360MB or 370MB of free RAM options (thanks to Diablo555 and Doomsday94)
- Added optimized AES and SHA1 routines for ARM cpu architecture (credits and thanks to CastagnaIT)
- Added Fast Charge support (credits and thanks to Ivendor)
- Added Battery Life eXtender support (thanks to Ezekeel), adapted by me for I9001 and I8150
- Lowered display panel voltage
- Lowered wifi voltage
- Lowered swappiness
- Increased CPU frequency during boot (for faster boot process)

[Ahasvero]

Beh, così mi fai venire voglia di riprovare qualche ICS, con cui, in verità, non mi sono mai trovato tanto bene!

[Christopher83]

Ciao a tutti,
ho rilasciato la nuova versione v1.6 del kernel:

- Kernel 3.0.78
- Sorgenti sincronizzati con il branch ics-3.0 di Arco68
- Compilato con la mia ultima custom toolchain Linaro 4.7.3-2013.04 ottimizzata per Cortex-A8
- Rimosso il rumore durante il processo di spegnimento (Grazie a CastagnaIT)
- Modifiche per risolvere i problemi di sospensione (deep sleep) causati dal BLN

Grazie a SGS+_User per il suo supporto in fase di test!

[Christopher83]

Ciao a tutti,
per i pochissimi che ancora usano ICS, ecco la versione v1.7 del kernel:

- Kernel 3.0.80
- Sources synched with ics-3.0 repo of Arco68
- Built with my latest custom Linaro 4.7.4-2013.05 toolchain optimized for Cortex-A8
- Remove a not needed mmc_power_off (credits and thanks to Arco68)
- Some display fixes (credits and thanks to Arco68)
- Lowered Vibetonz voltage
- Adjusted some voltage regulators
- Restored min read ahead (from 32 kbytes to 16 kbytes)
- Other fixes and optimizations to RWSEM (read and write semaphore) taken from 3.10 kernel

[Christopher83]

Ciao a tutti,
ecco la nuova versione v1.8 del kernel per i pochissimi che usano ancora ICS:

- Kernel 3.0.81
- Sources synched with ics-3.0 repo of Arco68
- Built with my latest custom Linaro 4.7.4-2013.05 toolchain optimized for Cortex-A8
- Re-added optimized string and memcopy libs (credits and thanks to Miao Xie)
- Dynamic Fsync (credits and thanks to Faux123)
- Dynamic dirty page writebacks
- VM tweaks for better performance and less battery consumption
- Revised LowMemoryKiller parameters for better performance

Grazie a SGS+_User per il suo supporto in fase di test!

[Pilone92]

prima o poi devo provare la cm9 di arco!! grazie Christopher dell'ottimo lavoro!

[Christopher83]

Cia a tutti,
ho rilasciato la nuova versione v1.9 del kernel:

- Kernel 3.0.83
- Sources synched with ics-3.0 repo of Arco68
- Built with my latest custom Linaro 4.7.4-2013.06 toolchain optimized for Cortex-A8
- Updates and fixes to Interactive CPU governor (credits to Todd Poynor and Minsung Kim, thanks to Arco68)
- Squashed update of BFQ-V6 to BFQ-v6r2 (thanks to Arco68)
- Customizable timeout of touchkeys backlight after a key press
- Customizable activation status of touchkeys backlight on touchscreen press
- Fix for discharging battery issue while charging to 100% (credits to Skywalker01)
- Fix to dynamic fsync to don't disable fdatasync (credits to Faux123)
- Enabled CleanCache

[Christopher83]

Ciao a tutti,
ecco la nuova versione del kernel v2.0 anche per ICS:

- Kernel 3.0.84
- Sources synched with ics-3.0 repo of Arco68
- Built with my latest custom Linaro 4.7.4-2013.06 toolchain optimized for Cortex-A8
- Updates and fix to Interactive CPU governor (credits to Lianwei Wang, thanks to Arco68)
- Fixes to graphic drivers (credits to Suman Tatiraju, thanks to Arco68)
- Fixes to ipv6 (credits to Hannes and Lorenzo Colitti, thanks to Arco68)
- Other minor fixes
- CK3 tweaks (credits and thanks to Con Kolivas)
- Increased battery check interval from 5 seconds to 15 seconds
- New static Cyanogen boot logo (credits and thanks to Stefano187)

[Christopher83]

Ciao a tutti,
ho rilasciato le build del kernel v2.1:

- Kernel 3.0.85
- Sources synched with ics-3.0 repo of Arco68
- Built with my latest custom Linaro 4.7.4-2013.06 toolchain optimized for Cortex-A8
- Fixed an uninitialized spinlock for Interactive CPU governor (credits to Cyanogen, thanks to Arco68)
- Fixed atypo error in boot compressed Makefile (credits and thanks to Arco68)
- Timer slack controller (credits to Kirill A. Shutemov, thanks to Boype and Stuffynet)
- Dynamic management of the minimal timer slack value on suspend/resume