[KERNEL] Semaphore N5X 3.1.0

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stratosk

Recognized Developer
Mar 3, 2011
6,223
31,852
Thessaloniki
www.semaphore.gr
semaphore_logo.png



This is a kernel based on stock one, tested on stock Android Oreo and Nougat


This is for stock Android Oreo and Nougat


More features will be added soon. Please don't ask for ETA.


Features
- ondemand governor patched with my latest patches
- conservative governor added
- built with Linaro gcc 4.9 201602
- enabled O2 optimizations
- clear a couple of configuration

For more information check the Semaphore website: www.semaphore.gr

Thanks to
- Linux kernel developers
- my wife who always supports me
- All people who support this kernel by testing, reporting issues, donating or simply using it.

Change log
3.1.0 (12/12/2018)
- Merge latest Android changes (OPM7.181205.001)

3.0.0 (07/11/2018)
- Merge latest Android changes (OPM7.181105.004)

2.9.0 (03/10/2018)
- Merge latest Android changes (OPM7.181005.003)

2.8.0 (06/09/2018)
- Merge latest Android changes (OPM6.171019.030.K1)

2.7.0 (09/08/2018)
- Merge latest Android changes (OPM6.171019.030.H1)

2.6.0 (06/07/2018)
- Merge latest Android changes (OPM6.171019.030.E1)

2.5.0 (07/06/2018)
- Merge latest Android changes (OPM6.171019.030.B1)

2.4.0 (08/05/2018)
- Merge latest Android changes (OPM4.171019.016.A1)

2.3.0 (04/04/2018)
- Merge latest Android changes (OPM2.171019.029)

2.2.0 (07/03/2018)
- Merge latest Android changes (OPM3.171019.016)

2.1.0 (07/02/2018)
- Merge latest Android changes (OPM3.171019.014)

2.0.0 (13/01/2018)
- Merge latest Android changes (OPM3.171019.013)

1.9.0 (11/12/2017)
- Merge latest Android changes for Oreo 8.1.0 (OPM1.171019.011)

1.8.0 (10/10/2017)
- Merge latest Android changes for Oreo (OPR4.170623.009)

1.7.0 (19/09/2017)
- Merge latest Android changes for Oreo (OPR4.170623.006)

1.6.0 (01/09/2017)
- Merge latest Android changes for Oreo (OPR6.170623.013)

1.5.0 (08/06/2017)
- Merge latest Android changes (N2G47W)

1.4.0 (04/05/2017)
- Merge latest Android changes (N2G47O)

1.3.0 (06/04/2017)
- Merge latest Android 7.1.2 changes (N2G47F)

1.1.2 (10/03/2017)
- Merge latest Android changes (N4F26T)

1.1.0 (18/02/2017)
- Merge latest Android changes (N4F26O)

1.0.0 (07/01/2017)
- Merge latest Android changes (N4F26I)

0.9.0 (09/12/2016)
- Rebase on Android 7.1.1 sources
- cpufreq: conservative: Fix condition logic in touch boost (thanks to ihancioglu)

0.8.0 (09/11/2016)
- Merge latest patches from NRD91N

0.7.0 (26/10/2016)
- cpufreq: conservative: Decrease frequency faster when the timer deferred
- mm: remove gup_flags FOLL_WRITE games from __get_user_pages() (dirty COW vulnerability)
- Change default governor to conservative for big cluster

0.6.0 (17/10/2016)
- Rebased on 3.10.73 (NBD90W). I discovered a memory leak issue and I decided to drop the latests Linux kernel versions.
- Changed default governor to ondemand for both clusters. Conservative governor also has an issue and in some cases doesn't drop the frequency fast enough. I recommend you to not use it until I'll find a solution.
- ondemand: Improved the load calculation when the timer is deferred.
- ondemand: A couple of bug fixes from mainline.

0.5.0 (05/10/2016)
- cpufreq: Introduce touch boost tunables to ondemand and conservative
ondemand:
touch_load: the virtual load that governor "sees" when there is a touch in the screen (default value 70).
touch_load_duration: the duration in ms that the touch_load is effective after the touch (default value 1000ms).
touch_load_threshold: the real load threshold. Loads greater than this threshold will trigger the touch boost (default value 10).
conservative:
touch_load_duration: the duration of touch boost (default value 1000ms). When there is a touch in the screen the freq_step tunable will be double if there governor must increase the frequency.
- minor changes in initramfs from upstream (NBD90W)

0.4.0 (27/09/2016)
- cpufreq: ondemand: Eliminate the deadband effect
- cpufreq: Break out early when frequency equals target_freq
- Added conservative governor

0.3.0 (07/09/2016)
- Merge Android Nougat kernel patches (up to NRD90S)
- Merge Linux kernel v3.10.103
- Mount data partition as encryptable

0.2.0 (11/08/2016)
- Merge Linux kernel versions v3.10.74 - v3.10.102
- Apply patch for CVE-2016-5340 (CodeAurora)

0.1.0 (08/08/2016)
- Initial release
- built with Linaro gcc 4.9 201602
- enabled O2 optimizations
- clear a couple of configuration

Sources
Semaphore kernel sources

Please use it at your own risk!

Flashing kernel
Flash kernel using:
fastboot flash boot Semaphore_N5X_x.y.z.img

XDA:DevDB Information
Semaphore N5X, Kernel for the LG Nexus 5X

Contributors
stratosk
Source Code: https://github.com/stratosk/kernel_msm

Kernel Special Features:

Version Information
Status: Stable
Current Stable Version: 3.1.0
Stable Release Date: 2018-12-12

Created 2016-08-07
Last Updated 2018-12-12
 

vampire36

Senior Member
May 11, 2011
2,170
2,023
Pune
Are force encryption and verify removed in this kernel?

I think you might need to wait for next release :)

No, I didn't touch them... :)

With 5x thats another issue that plagues users here...So would be great if you can look into it and find a solution to tackle it...Cos most of the users here like me are non encrypted...so forced encryption is a pain :)
 
Last edited:
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gialakias

Senior Member
Mar 4, 2012
329
166
Athens
Google Pixel 4 XL
Wow! Glad to see you here, old friend. Wish you can make one for stock Marshmallow as well, since I don't use the N preview. In any case, welcome!
Well I think with less than one month left (as everything points) for the nougat, it will be a waste of time to build it. It is better to be prepared best for the nougat!

Sent from my Nexus 5X using Tapatalk
 

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    semaphore_logo.png



    This is a kernel based on stock one, tested on stock Android Oreo and Nougat


    This is for stock Android Oreo and Nougat


    More features will be added soon. Please don't ask for ETA.


    Features
    - ondemand governor patched with my latest patches
    - conservative governor added
    - built with Linaro gcc 4.9 201602
    - enabled O2 optimizations
    - clear a couple of configuration

    For more information check the Semaphore website: www.semaphore.gr

    Thanks to
    - Linux kernel developers
    - my wife who always supports me
    - All people who support this kernel by testing, reporting issues, donating or simply using it.

    Change log
    3.1.0 (12/12/2018)
    - Merge latest Android changes (OPM7.181205.001)

    3.0.0 (07/11/2018)
    - Merge latest Android changes (OPM7.181105.004)

    2.9.0 (03/10/2018)
    - Merge latest Android changes (OPM7.181005.003)

    2.8.0 (06/09/2018)
    - Merge latest Android changes (OPM6.171019.030.K1)

    2.7.0 (09/08/2018)
    - Merge latest Android changes (OPM6.171019.030.H1)

    2.6.0 (06/07/2018)
    - Merge latest Android changes (OPM6.171019.030.E1)

    2.5.0 (07/06/2018)
    - Merge latest Android changes (OPM6.171019.030.B1)

    2.4.0 (08/05/2018)
    - Merge latest Android changes (OPM4.171019.016.A1)

    2.3.0 (04/04/2018)
    - Merge latest Android changes (OPM2.171019.029)

    2.2.0 (07/03/2018)
    - Merge latest Android changes (OPM3.171019.016)

    2.1.0 (07/02/2018)
    - Merge latest Android changes (OPM3.171019.014)

    2.0.0 (13/01/2018)
    - Merge latest Android changes (OPM3.171019.013)

    1.9.0 (11/12/2017)
    - Merge latest Android changes for Oreo 8.1.0 (OPM1.171019.011)

    1.8.0 (10/10/2017)
    - Merge latest Android changes for Oreo (OPR4.170623.009)

    1.7.0 (19/09/2017)
    - Merge latest Android changes for Oreo (OPR4.170623.006)

    1.6.0 (01/09/2017)
    - Merge latest Android changes for Oreo (OPR6.170623.013)

    1.5.0 (08/06/2017)
    - Merge latest Android changes (N2G47W)

    1.4.0 (04/05/2017)
    - Merge latest Android changes (N2G47O)

    1.3.0 (06/04/2017)
    - Merge latest Android 7.1.2 changes (N2G47F)

    1.1.2 (10/03/2017)
    - Merge latest Android changes (N4F26T)

    1.1.0 (18/02/2017)
    - Merge latest Android changes (N4F26O)

    1.0.0 (07/01/2017)
    - Merge latest Android changes (N4F26I)

    0.9.0 (09/12/2016)
    - Rebase on Android 7.1.1 sources
    - cpufreq: conservative: Fix condition logic in touch boost (thanks to ihancioglu)

    0.8.0 (09/11/2016)
    - Merge latest patches from NRD91N

    0.7.0 (26/10/2016)
    - cpufreq: conservative: Decrease frequency faster when the timer deferred
    - mm: remove gup_flags FOLL_WRITE games from __get_user_pages() (dirty COW vulnerability)
    - Change default governor to conservative for big cluster

    0.6.0 (17/10/2016)
    - Rebased on 3.10.73 (NBD90W). I discovered a memory leak issue and I decided to drop the latests Linux kernel versions.
    - Changed default governor to ondemand for both clusters. Conservative governor also has an issue and in some cases doesn't drop the frequency fast enough. I recommend you to not use it until I'll find a solution.
    - ondemand: Improved the load calculation when the timer is deferred.
    - ondemand: A couple of bug fixes from mainline.

    0.5.0 (05/10/2016)
    - cpufreq: Introduce touch boost tunables to ondemand and conservative
    ondemand:
    touch_load: the virtual load that governor "sees" when there is a touch in the screen (default value 70).
    touch_load_duration: the duration in ms that the touch_load is effective after the touch (default value 1000ms).
    touch_load_threshold: the real load threshold. Loads greater than this threshold will trigger the touch boost (default value 10).
    conservative:
    touch_load_duration: the duration of touch boost (default value 1000ms). When there is a touch in the screen the freq_step tunable will be double if there governor must increase the frequency.
    - minor changes in initramfs from upstream (NBD90W)

    0.4.0 (27/09/2016)
    - cpufreq: ondemand: Eliminate the deadband effect
    - cpufreq: Break out early when frequency equals target_freq
    - Added conservative governor

    0.3.0 (07/09/2016)
    - Merge Android Nougat kernel patches (up to NRD90S)
    - Merge Linux kernel v3.10.103
    - Mount data partition as encryptable

    0.2.0 (11/08/2016)
    - Merge Linux kernel versions v3.10.74 - v3.10.102
    - Apply patch for CVE-2016-5340 (CodeAurora)

    0.1.0 (08/08/2016)
    - Initial release
    - built with Linaro gcc 4.9 201602
    - enabled O2 optimizations
    - clear a couple of configuration

    Sources
    Semaphore kernel sources

    Please use it at your own risk!

    Flashing kernel
    Flash kernel using:
    fastboot flash boot Semaphore_N5X_x.y.z.img

    XDA:DevDB Information
    Semaphore N5X, Kernel for the LG Nexus 5X

    Contributors
    stratosk
    Source Code: https://github.com/stratosk/kernel_msm

    Kernel Special Features:

    Version Information
    Status: Stable
    Current Stable Version: 3.1.0
    Stable Release Date: 2018-12-12

    Created 2016-08-07
    Last Updated 2018-12-12
    20
    New version 0.3.0
    - Merge Android Nougat kernel patches (up to NRD90S)
    - Merge Linux kernel v3.10.103
    - Mount data partition as encryptable
    18
    Thanks everybody for using Semaphore and helped me!
    My patch for conservative governor (introduced in 0.7.0) accepted to Linux kernel!
    18
    New version 0.5.0
    - cpufreq: Introduce touch boost tunables to ondemand and conservative
    ondemand:
    touch_load: the virtual load that governor "sees" when there is a touch in the screen (default value 70).
    touch_load_duration: the duration in ms that the touch_load is effective after the touch (default value 1000ms).
    touch_load_threshold: the real load threshold. Loads greater than this threshold will trigger the touch boost (default value 10).
    conservative:
    touch_load_duration: the duration of touch boost (default value 1000ms). When there is a touch in the screen the freq_step tunable will be double if there governor must increase the frequency.

    - minor changes in initramfs from upstream (NBD90W)
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