[PATCH 0/4] arm64: mitigate CVE-2024-7881 in the absence of firmware mitigation

[Will Deacon]

On Wed, Apr 08, 2026 at 10:26:10PM +0100, David Woodhouse wrote:
> On Mon, 17 Mar 2025 at 21:26:12 +0000, Will Deacon wrote:
> > I'm really not comfortable with this series and would prefer to see it
> > dropped while we continue the discussion, especially as it's causing
> > minor conflicts with the KVM/arm64 tree in -next.
> > 
> > ...
> > 
> > To be clear: I'm not at all against mitigating this problem and
> > advertising the status of that mitigation. I *am* against quietly
> > handling it like a CPU erratum whilst simultaneously telling userspace
> > that meltdown is not a problem regardless of the mitigation state.
> 
> Was there a conclusion? KVM still isn't even exposing
> SMCCC_ARCH_WORKAROUND_4 to guests...

I didn't see another version, so I think my comments (from a year ago!)
still stand.

Will