Re: [RFC][PATCH] x86: PUSH_AND_CLEAR_REGS_COMPAT

From: Peter Zijlstra
Date: Fri Apr 08 2022 - 19:16:47 EST


On Sat, Apr 09, 2022 at 12:38:27AM +0200, Peter Zijlstra wrote:
>
> How insane?

Anyway, the questino is; since int80 doesn't wipe the high regs, can we
get away with the SYS*_compat things not doing that either and then all
using the normal PUSH_AND_CLEAR_REGS without having to invent _COMPAT
for that?