Re: Linux 5.14-rc2

[Palmer Dabbelt <palmer@dabbelt.com>]

On Sun, 25 Jul 2021 02:56:51 PDT (-0700), akira.tsukamoto@gmail.com wrote:
> On 7/24/21 09:58, Palmer Dabbelt wrote:
>>> I have sent the fixes yesterday in my time.
>>>
>>> https://lists.infradead.org/pipermail/linux-riscv/2021-July/007621.html
>>>
>>> Guenter and Geert have confirmed the fix.
>>>
>>> https://lists.infradead.org/pipermail/linux-riscv/2021-July/007634.html
>>> https://lists.infradead.org/pipermail/linux-riscv/2021-July/007626.html
>>>
>>> Akira
>>
>> Thanks.  I've got these on fixes now, I'll send them up tomorrow morning assuming the autobuilders don't find any issues.  Like I said in the other thread I wasn't getting these allmodconfig failures, so if there's an easy way to reproduce them I'd be happy to add it to my setup -- I don't really know anything about GCC plugins, I'm just using Debian's toolchain for my Linux test setup (haven't gotten around to merging it with my GCC test setup, and it's been a decade so I guess I should stop pretending that's going to happen ;)).
>
> Sure, my procedure is based on Guenter’s instructions.
> I built qemu v6.0.0, buildroot 2021.05 and the kernel with the toochain came with buildroot.
>
> # qemu
> git clone https://gitlab.com/qemu-project/qemu.git
> cd qemu
> git checkout -b v6.0.0
> git submodule update --init --recursive
> git submodule sync --recursive
> ./configure --target-list=riscv32-softmmu  --disable-user --disable-gnutls --disable-docs --disable-nettle --disable-gcrypt --disable-vnc-png --disable-xen --disable-xen-pci-passthrough --disable-libssh
> make -j $(nproc)
>
> # buildroot
> git clone git://git.buildroot.net/buildroot
> cd buildroot/
> git checkout 2021.05 -b 2021.05
> make qemu_riscv32_virt_defconfig
> make
>
> # kernel
> export PATH=locaion_of_buildroot/output/host/bin:${PATH}"
> Built kernel.
>
> # prepare booting rv32
> Downloaded rootfs.cpio and run.sh from Guenter’s link to inside buildroot/output/images/.
> http://server.roeck-us.net/qemu/riscv32/
>
> cd output/images
> Used revised run.sh.
> ```
> export PATH="location_of_qemu/build:${PATH}"
> export KERNEL_DIR=location_of_kernel/arch/riscv/boot/
> qemu-system-riscv32 -M virt -m 512M -no-reboot \
>     -bios default -kernel ${KERNEL_DIR}Image \
>     -initrd rootfs.cpio \
>     -append "rdinit=/sbin/init console=ttyS0,115200 earlycon=uart8250,mmio,0x10000000,115200" \
>     -nographic -monitor none
> ```
>
> The rootfs.cpio checks the network after booting and poweroff immediately to return to shell.

Thanks.  I was actaully asking for the randstruct build instructions, 
but Geert already provided those in the other thread.  Given how easy 
the 32-bit boot is now, though, I figured I'd just get it up and 
running.  It's in now.

Thanks!

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