[PATCH 0/2] KVM: arm64: Address soft lockups due to I-cache CMOs

[Marc Zyngier]

On Wed, 20 Sep 2023 09:01:31 +0100,
Oliver Upton <oliver.upton at linux.dev> wrote:
> 
> Small series to address the soft lockups that Gavin hits when running
> KVM guests w/ hugepages on an Ampere Altra Max machine. While I
> absolutely loathe "fixing" the issue of slow I-cache CMOs in this way,
> I can't really think of an alternative.

I don't think there is any, unfortunately. I don't think this change
is inherently bad (we should have added something like this a long
while ago), but it scares me that these systems can apparently be
DoS'd from userspace or a guest...

Anyway:

Reviewed-by: Marc Zyngier <maz at kernel.org>

	M.

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