Re: [Xen-devel] [OSSTEST PATCH 21/62] ts-kernel-build: disable host1x, which doesn't build

[Ian Jackson <ian.jackson@xxxxxxxxxx>]

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.

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.

Thanks all,
Ian.

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