Re: [PATCH] RFC: arm: eBPF JIT compiler

From	Florian Fainelli <f.fainelli@gmail.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH] RFC: arm: eBPF JIT compiler
Date	2017-05-25 23:20 +0200
Message-ID	<tL8kN-51l-5@gated-at.bofh.it> (permalink)
References	(9 earlier) <tL5PY-3iT-25@gated-at.bofh.it> <tL5ZE-3mc-5@gated-at.bofh.it> <tL6j0-3K7-13@gated-at.bofh.it> <tL6VI-3XA-13@gated-at.bofh.it> <tL7f4-4jo-3@gated-at.bofh.it>
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On 05/25/2017 01:08 PM, Shubham Bansal wrote:
> Hi Florian,
> 
> It would be great if you could help me with it.
> 
> Currently, what I am doing is.
> 
>  root@arm$ ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- make -j4
> 
> Then I am using Busybox to build the root filesystem
> 
> root@arm$ qemu-system-arm -M vexpress-a9 -dtb
> ./linux/arch/arm/boot/dts/vexpress-v2p-ca9.dtb -kernel
> ./linux/arch/arm/boot/zImage -append "root=/dev/mmcblk0
> console=ttyAMA0" -sd ./a9rootfs.ext3 --nographic
> 
> Which machine I should use for ARMv6 in QEMU. Which dtb file I should
> use for ? All these questions I have. If anybody knows please let me
> know.

You should use realview-eb-mpcore for instance (ARM11MPCORE is ARMv6).

> 
> 
> Best,
> Shubham Bansal
> 
> 
> On Fri, May 26, 2017 at 1:14 AM, Florian Fainelli <f.fainelli@gmail.com> wrote:
>> On 05/25/2017 12:09 PM, Shubham Bansal wrote:
>>> Hi Andrew,
>>>
>>> On Fri, May 26, 2017 at 12:18 AM, Andrew Lunn <andrew@lunn.ch> wrote:
>>>> On Fri, May 26, 2017 at 12:05:23AM +0530, Shubham Bansal wrote:
>>>>> Hi Andrew,
>>>>>
>>>>> My Apologies.
>>>>>
>>>>> I will remove the #ifdef CONFIG_CPU_LITTLE_ENDIAN. Do you have the
>>>>> ARMv6 machine you can test it on?
>>>>
>>>> Sorry, i don't have a v6.
>>>>
>>>> Maybe try kzm with qemu-system-qemu?
>>>
>>> I am afraid I not so familiar with qemu, otherwise I would have tried
>>> to test the code on ARMv5,6,7 myself.
>>> If you can help me with that it would be great, Otherwise I think I
>>> have to wait for someone to test it for ARMv6. Although, I am pretty
>>> sure it would work on that as it worked on ARMv5.
>>
>> Using QEMU is far less complex than the patch you wrote, the tricky
>> point me be to find an ARMv6 root filesystem, unless you build the
>> module into the kernel and let it run its tests.
>> --
>> Florian


-- 
Florian

Thread

Re: [PATCH] RFC: arm: eBPF JIT compiler Andrew Lunn <andrew@lunn.ch> - 2017-05-25 19:10 +0200
  Re: [PATCH] RFC: arm: eBPF JIT compiler Andrew Lunn <andrew@lunn.ch> - 2017-05-25 19:30 +0200
    Re: [PATCH] RFC: arm: eBPF JIT compiler Andrew Lunn <andrew@lunn.ch> - 2017-05-25 20:30 +0200
      Re: [PATCH] RFC: arm: eBPF JIT compiler Shubham Bansal <illusionist.neo@gmail.com> - 2017-05-25 20:40 +0200
        Re: [PATCH] RFC: arm: eBPF JIT compiler Andrew Lunn <andrew@lunn.ch> - 2017-05-25 20:50 +0200
          Re: [PATCH] RFC: arm: eBPF JIT compiler Shubham Bansal <illusionist.neo@gmail.com> - 2017-05-25 21:10 +0200
            Re: [PATCH] RFC: arm: eBPF JIT compiler Florian Fainelli <f.fainelli@gmail.com> - 2017-05-25 21:50 +0200
              Re: [PATCH] RFC: arm: eBPF JIT compiler Shubham Bansal <illusionist.neo@gmail.com> - 2017-05-25 22:10 +0200
                Re: [PATCH] RFC: arm: eBPF JIT compiler Kees Cook <keescook@chromium.org> - 2017-05-25 23:00 +0200
                Re: [PATCH] RFC: arm: eBPF JIT compiler Florian Fainelli <f.fainelli@gmail.com> - 2017-05-25 23:20 +0200
              Re: [PATCH] RFC: arm: eBPF JIT compiler Russell King - ARM Linux <linux@armlinux.org.uk> - 2017-05-26 00:20 +0200

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