On Mon, Dec 16, 2024 at 02:31:43PM +0000, Marc Zyngier wrote:
> Mark Rutland <mark.rutland@xxxxxxx> wrote:
> > I understand that we have to do something as a bodge for broken FW which
> > traps SME, but I'd much rather we did that within __cpuinfo_store_cpu().
> Honestly, I'd rather revert that patch, together with b3000e2133d8
> ("arm64: Add the arm64.nosme command line option"). I'm getting tired
> of the FW nonsense, and we are only allowing vendors to ship untested
> crap.
I'd certainly be happy to remove the override for SME, the circumstances
that lead to the need to override SVE are much less likely to occur with
SME. We can add it again later if there's a need for it.
> Furthermore, given the state of SME in the kernel, I don't think this
> is makes any difference. So maybe this is the right time to reset
> everything to a sane state.
I'm not aware of any issues that don't have fixes on the list (the fixes
have all been on the list for about a month, apart from this one).
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