[PATCH v2] powerpc: Don't clobber fr0/vs0 during fp|altivec register save

[Michael Ellerman]

Timothy Pearson <tpearson at raptorengineering.com> writes:

> Just wanted to check back and see if this patch was going to be queued
> up soon?  We're still having to work around / advertise the data
> destruction issues the underlying bug is causing on e.g. Debian
> Stable.

Yeah I'll apply it this week, so it will be in rc4.

I wanted to be more certain the corruption only happens in practice with
io-uring before applying it.

cheers