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Linux 4.9 Adds Support For 29 New ARM Machines, Includes Raspberry Pi Zero & LG Nexus 5

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  • Linux 4.9 Adds Support For 29 New ARM Machines, Includes Raspberry Pi Zero & LG Nexus 5

    Phoronix: Linux 4.9 Adds Support For 29 New ARM Machines, Includes Raspberry Pi Zero & LG Nexus 5

    There is support for a number of new ARM platforms with the in-development Linux 4.9 kernel...

    http://www.phoronix.com/scan.php?pag...x-4.9-ARM-Pull

  • #2
    This is rather interesting. I thought the Raspberry Pis all had now mainline support. How is Pi Zero hitting the mainline only now?

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    • #3
      Originally posted by caligula View Post
      This is rather interesting. I thought the Raspberry Pis all had now mainline support. How is Pi Zero hitting the mainline only now?
      Your understanding was wrong? It's been mentioned in a few Phoronix articles before how the support wasn't mainline for certain ARM devices.
      Michael Larabel
      https://www.michaellarabel.com/

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      • #4
        Originally posted by Michael View Post

        Your understanding was wrong? It's been mentioned in a few Phoronix articles before how the support wasn't mainline for certain ARM devices.
        So which RPi models are supported by 4.8 and 4.9? At least RPi 3 and Zero are now supported by 4.9, RPi 3 by 4.8. What about the compute module and models A, B, A+, B+, 2 ?

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        • #5
          Sorry for the dumb question, but:

          What does mean in practical, day-to-day use, that some boards will have mainline support? (Rpi's, now RPi Zero, DragonBoard 820c 96Boards, Nexus 5, Beagle Board X15)

          On the Nexus 5: Does that mean that Android (mainly alternate Android distros) could run now (and forever) on the latest kernel?

          On the other mainlined boards: Does that mean that the various distros can now (and forever) be updated to the latest kernel?

          I am assuming that the other boards mentioned just get support for specific subsistems/chips on them, right?

          Thanks.

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          • #6
            Originally posted by AlexFonewn View Post
            On the Nexus 5: Does that mean that Android (mainly alternate Android distros) could run now (and forever) on the latest kernel?
            I'm hoping it's good news for Ubuntu Touch on the Nexus 5.

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            • #7
              currently android on nexus runs linuz 3.4.x branch. wonder if android can on top of this 4.9 kernel as well. porting third party drivers would be a pain i presume. nexus 5 is supported by mainline kernel. what does that mean. the hardware platform in its entirety with all required device drivers?

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              • #8
                Originally posted by AlexFonewn View Post
                Sorry for the dumb question, but:
                What does mean in practical, day-to-day use, that some boards will have mainline support?
                "board mainline support" means that in mainline there are device tree files (a file used to describe the board's specifications/addresses/devices/GPIO so the kernel can adjust itself to boot and operate on that board automagically), and stuff needed to boot at all like CPU clock drivers.

                In practical day-to-day use it means that any project supporting them can drop the local kernel patches they were using to support them in their build.

                On the Nexus 5: Does that mean that Android (mainly alternate Android distros) could run now (and forever) on the latest kernel?
                There the bigger issue there isn't board support in mainline, but drivers.

                Originally posted by sarfarazahmad
                nexus 5 is supported by mainline kernel. what does that mean. the hardware platform in its entirety with all required device drivers?
                no, this is board (RAM, buttons, interfaces) and CPU support only.

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                • #9
                  Originally posted by AlexFonewn View Post
                  On the Nexus 5: Does that mean that Android (mainly alternate Android distros) could run now (and forever) on the latest kernel?
                  android does not use vanilla kernels. normal distro like fedora will be able to boot on it, don't know how far though

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                  • #10
                    Originally posted by pal666 View Post
                    android does not use vanilla kernels. normal distro like fedora will be able to boot on it, don't know how far though
                    Android *CAN* use vanilla kernel, IF the hardware is all supported by it.

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