Re: [RFC PATCH 0/7] Early task context tracking

From: Peter Zijlstra
Date: Thu Apr 04 2019 - 05:43:03 EST


On Wed, Apr 03, 2019 at 05:01:02PM -0700, Andy Lutomirski wrote:
> I would much rather do the opposite: completely remove context
> tracking from the asm and, instead, stick it into the C code. We'd
> need to make sure that the C code is totally immune from tracing,
> kprobes, etc, but it would be a nice cleanup. And then you could fix
> this bug in C!

Right, so you had some prelim patches toward that a few weeks ago. Esp.
for the idtentry stuff that looked fairly straight forward.