Re: [RFC PATCH V2 5/7] x86/entry: don't shift stack on #DB

From: Peter Zijlstra
Date: Tue May 26 2020 - 05:11:10 EST


On Tue, May 26, 2020 at 01:42:19AM +0000, Lai Jiangshan wrote:
> debug_enter() will disable #DB, there should be no recursive #DB.

should being the operative word.

I have similar patches but was still debating what to do about kgdb, I
think we'll just have to mark it BROKEN for now.