Re: Linux 6.11-rc1
From: Peter Zijlstra
Date: Wed Jul 31 2024 - 08:22:49 EST
On Tue, Jul 30, 2024 at 01:24:34PM -0700, Guenter Roeck wrote:
> An interesting bit of information: The problem is seen with many,
> but not all CPUs. For example, I don't see it with athlon, n270, Dhyana,
> or EPYC. qemu32 is affected, but qemu64 is fine. But on the other side
> both kvm32 and kvm64 are affected.
pti=off makes it go away, could be those CPU models don't have meltdown
and as such don't enable PTI.