On Mon, Oct 09, 2023 at 04:21:09PM +0200, Andrea Righi wrote:

On Mon, Oct 09, 2023 at 02:53:00PM +0200, Miguel Ojeda wrote:

quoted

On Mon, Oct 9, 2023 at 2:48 PM Andrew Lunn [off-list ref] wrote:

quoted

Any ideas?

That is `RETHUNK` and `X86_KERNEL_IBT`.

Since this will keep confusing people, I will make it a `depends on !`
as discussed in the past. I hope it is OK for e.g. Andrea.

Disabling RETHUNK or IBT is not acceptable for a general-purpose kernel.
If that constraint is introduced we either need to revert that patch
in the Ubuntu kernel or disable Rust support.

It would be nice to have a least something like
CONFIG_RUST_IS_BROKEN_BUT_IM_HAPPY, off by default, and have
`RUST_IS_BROKEN_BUT_IM_HAPPY || depends on !`.

Should this actually be CONFIG_RUST_IS_BROKEN_ON_X86_BUT_IM_HAPPY ?

At lest for networking, the code is architecture independent. For a
driver to be useful, it needs to compile for most architectures. So i
hope Rust will quickly make it to other architectures. And for PHY
drivers, ARM and MIPS are probably more important than x86.

	Andrew