Re: [patch 00/38] x86/retbleed: Call depth tracking mitigation

From: Peter Zijlstra
Date: Mon Jul 18 2022 - 19:58:17 EST


On Mon, Jul 18, 2022 at 04:52:09PM -0700, Linus Torvalds wrote:
> I also happen to believe that the kCFI code should have entirely
> different targets for direct jumps and for indirect jumps, but that's
> a separate issue. Maybe it already does that?

kCFI is purely about indirect calls.