Re: [PATCH v2 00/14] arm64/nmi: Support for FEAT_NMI

Marc Zyngier
2022-12-02T18:42:27Z

On Sat, 12 Nov 2022 15:16:54 +0000,
Mark Brown <broonie@kernel.org> wrote:
>
> This series enables the architecture and GIC support for the arm64
> FEAT_NMI and FEAT_GICv3_NMI extensions in host kernels. These introduce
> support for a new category of interrupts in the architecture code which
> we can use to provide NMI like functionality, though the interrupts are
> in fact maskable as the name would not imply. The GIC support was done
> by Loreozo Pieralisi.

FWIW, I have stashed a rework of my 2 year old vgic NMI series at
[1]. It hasn't broken non-NMI behaviour in my early testing, but my
FVP is out of commission for the time being.

What could possibly go wrong?

M.

[1] https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git/log/?h=arm64/nmi

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