[KERNEL MODULES] Extra kernel modules for XT910 & XT912 stock JB kernel (03 OCT 2013) - Motorola Droid RAZR

[KERNEL MODULES] Extra kernel modules for XT910 & XT912 stock JB kernel (03 OCT 2013)
Motorola has released the complete source code of JB (9.8.2O-124_SPUEM-14 aka 982.124.14.XT910) kernel only recently, so I modified and recompiled sources of some useful modules.
EDIT: Added a separate build for XT912 9.8.2O-72_VZW-16 (aka the official Verizon JB).
EDIT: Added a separate build for XT910 6.7.2_GC-400 (aka the Chinese JB) - no exfat-nofuse as at now (upstream seems to be currently broken).
Credits:
symsearch module was written by Skrilax_CZ
sio I/O scheduler was written by Miguel Boton
sioplus I/O scheduler was written by Miguel Boton and Boy Petersen
pegasusq cpufreq governor was written by ByungChang Cha (Samsung Electronics) and modified by Gokhan Moral
sakuractive cpufreq governor was written by sakuramilk
smartassV2 cpufreq governor was written by Erasmux and modified by faux123
hotplugX cpufreq governor was written by Mike Turquette and modified by Imoseyon
interactiveX cpufreq governor was written by Mike Chan and modified by Imoseyon
cpu_control OMAP4 overclocking module was written by whirleyes
exfat driver was compiled from exfat-nofuse sources provided by dorimanx
FAQ:
Q: How do I install this?
A: The ZIP file can be flashed via a custom recovery. It contains an init.d script to load all shipped modules, but you'll need to set up a working init.d subsystem first for this to work.
Q: Will this work with 9.8.2O-72_VZW-8 (XT912) / 9.8.2O-124_SPUL-18 (XT910 Northern America) / 9.8.20-124_SPUL-17 (XT910 Latin America) / 9.8.2O-124_SPUEM-14 (XT910 Australia)?
A: Probably yes, but I haven't tested it - YMMV. It would be best to recompile the source code of modules against source code of a given kernel. If modules don't load, please send me output of dmesg command (kernel log) - the reason is most likely missing symbols in a given kernel.
Q: The ... cpufreq governor doesn't work for me - it suspends 2nd CPU core too early/too late, doesn't ramp up/ramp down the CPU frequency quickly enough etc.
A: Please tweak the tunables via sysfs interface. For a nice GUI, please see Trickster MOD app.

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Will it work on 982.124.14 ?
like for example on this rom:
http://forum.xda-developers.com/showthread.php?t=2213422
?

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Yes, they have been compiled for the exact kernel version as shipped with the stock firmware JB 4.1.2 aka 9.8.2O-124_SPUEM-14 aka 982.124.14.XT910.

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Thanks.
You wrote:
"there are more to come". SO just asking:
is it possible to create modules for more governors, like intellidemand, sacurative
and for undervolting and especially for underclocking - it would be great to be able to have stock rom with min freq not 300mhz but 100mhz.
Currrently only dtrails kernel and aokp by surdu can do that, but those rom are AOKP/AOSP based on CM so there is no HDMI support.
It would be great to have such modules for fully working generic factory rom by moto....with ability to underclock at least....

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I will look into this. I had fixed pegasusq and ported lulzactive today, I will upload them in the evening.
100 MHz will be hard to achieve unless the stock kernel is modified to support it and booted via kexec. I will focus on kernel modules at the moment.

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Ok, but as i understand, source code is available, so hdmi support is inside it and all functions are OK, as for motorola did it.
So if sources are available, and it can be compiled, the only difference between this and stock version will be:
advantage: Overclocking, underclocking, all other mods
disadvantage: Encryption signature not approved by motorola.
So kexec will be needed, to solve this disadvantage.
And all other functions will be working ok, like hdmi etc... ?

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I think so, but I will need to thoroughly examine whether it works.
So far, I managed to add some modules - changelog below:
Rebuilt modules using Linaro GCC 4.7-2013.03 toolchain
Fixed pegasusq cpufreq governor
Added lulzactive and sacuractive cpufreq governors

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Do you have a step by step guide on how to install these .ko's using insmod in terminal emulator?
Sent from my XT910 using xda premium

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Crumplet said:
Do you have a step by step guide on how to install these .ko's using insmod in terminal emulator?
Sent from my XT910 using xda premium
Click to expand...
Click to collapse
copy modules for example into etc/init.d
set permissions rwx -rx - rx
terminal
su
cd /etc/init.d
insmod symsearch.ko
insmod pegasus.ko

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xtam said:
copy modules for example into etc/init.d
set permissions rwx -rx - rx
terminal
su
cd /etc/init.d
insmod symsearch.ko
insmod pegasus.ko
Click to expand...
Click to collapse
Not working out for me, 1: Their is no file named intit.d in my etc device folder nor do i have permissions to even write to this folder and ultimately not allowing me to copy and paste them over to it. 2: i am basically stuck at process step "copy modules for example into etc/init.d"

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Copy them to another folder /system/lib/modules and follow the steps using this path

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xtam said:
copy modules for example into etc/init.d
set permissions rwx -rx - rx
terminal
su
cd /etc/init.d
insmod symsearch.ko
insmod pegasus.ko
Click to expand...
Click to collapse
Nandeh said:
Copy them to another folder /system/lib/modules and follow the steps using this path
Click to expand...
Click to collapse
Not working, i don't have permissions to copy and paste to this directory.I have root, and using es file explorer app to copy and paste.Any other suggestions?Maybe a terminal command on how to give write permissions would help a lot...

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Code:
mount -o remount,rw /system

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Crumplet said:
Not working out for me, 1: Their is no file named intit.d in my etc device folder nor do i have permissions to even write to this folder and ultimately not allowing me to copy and paste them over to it. 2: i am basically stuck at process step "copy modules for example into etc/init.d"
Click to expand...
Click to collapse
You have to install some file Explorer with root access first.

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Nice work, going to try it with my roms. Are you planing to create cpucontrol module?

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Thank you. I'm definitely going to recompile and possibly extend cpucontrol module. I'm currently evaluating whether there is any possibility to extend its functionality without affecting existing interfaces. If they stay untouched, I will stay with Tweakerz app (which doesn't seem to be developed anymore). However, if interfaces are going to change, I'd like to make the module compatible with Trickster MOD app in order to achieve some "cross-firmware standard" compatibility.

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Is it possible to compile only this kernel as is, to use it with kexec?
because then it would be possible to use roms with other jbs kernel, like verizon, for example jellywiz and .14 with this kexec having full functionality of all roms...

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I'm trying to find out what changes are required to turn a stock kernel into a kexec bootable one.
Anyway, for the time being, please see OP for the next release:
ZIP installer is there - at last! You have to have a working init.d system prior to installing this ZIP (install e.g. Universal Init.d).
Oce again switched toolchains, this time to the Android prebuilt one (GCC 4.4.3). This is the one with which the stock kernel is built, i.e. the most compatible one.
Added cpu_control by whirleyes.
Enjoy!

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Will this work on an xt912?
Sent from my XT912 using Tapatalk 2

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Thanks for amzing work.
Sorry for nood question after flash zip on OP and reboot i use SM to run and got this.
{
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"lightbox_start_slideshow": "Start slideshow",
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"lightbox_full_screen": "Full screen",
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Sent from my XT910 using Tapatalk 2