Re: [PATCH] KVM: arm64: Fix the upper limit of the walker range

Marc Zyngier
2025-01-16T10:55:37Z

On Thu, 16 Jan 2025 01:16:40 +0000,
Mark Brown <broonie@kernel.org> wrote:
>
> On Tue, Jan 14, 2025 at 02:50:51PM +0000, Sebastian Ene wrote:
>
> > Prevent the walker from running into weeds when walking an
> > entire address range.
>
> The KVM page_fault_test selftest started failing in next-20250115 on
> at least n1sdp and TX2 in VHE mode and a bisect seems to point to this
> change. The bisect only just finished, I've done no further
> investigation.
>
> When the test fails it generates backtraces like that below:

[...]

Thanks for the heads up.

Given how close we are to the merge window opening, I've dropped this
patch from -next.

Seb: it looks this breaks a bunch of existing assumptions. Let's
revisit this before -rc1, if possible.

Thanks,

M.

--
Without deviation from the norm, progress is not possible.