[OSSTEST PATCH 21/62] ts-kernel-build: disable host1x, which doesn't build
Julien Grall
julien.grall at arm.com
Thu Apr 11 10:51:30 UTC 2019
Hi Ian,
On 4/10/19 4:47 PM, Ian Jackson wrote:
> Julien Grall writes ("Re: [OSSTEST PATCH 21/62] ts-kernel-build: disable host1x, which doesn't build"):
>> Ian are we using a different config between Jessie and Stretch?
>
> Not very [1], but we *are* using a different compiler (since we just
> use the one from the distro).
>
> [1] There are some changes to add some ThunderX drivers, in a patch
> that you suggested :-):
>
> +setopt CONFIG_PCI_HOST_THUNDER_PEM=y
> +setopt CONFIG_PCI_HOST_THUNDER_ECAM=y
> +setopt CONFIG_THUNDER_NIC_PF=m
> +setopt CONFIG_THUNDER_NIC_VF=m
> +setopt CONFIG_THUNDER_NIC_BGX=m
> +setopt CONFIG_THUNDER_NIC_RGX=m
> +setopt CONFIG_MDIO_THUNDER=m
> +setopt CONFIG_I2C_THUNDERX=m
> +setopt CONFIG_SPI_THUNDERX=m
>
> I doubt these are related.
Right, this should not change the selection of the host1x driver. So
this is mostly like due to the compiler change.
>
> It's nice to know that it's fixed in 4.18. I don't know how
> disruptive it would be to backport it. I could perhaps make the
> config option to disable host1x conditional on the Linux kernel
> version but it seems easier to just leave things as they are and take
> the workaround out at some point in the distant future when all
> kernels we care about have the fix.
I agree that this is the most sensible approach for now.
Looking at [1], I guess we would need to request backport up to 3.18?
Cheers,
[1]
http://logs.test-lab.xenproject.org/osstest/results/all-branch-statuses.txt
--
Julien Grall
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