linux-kernel - [PATCH 0/5] x86/ftrace: Cure boot time W+X mapping

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Date:   Tue, 25 Oct 2022 22:06:56 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     torvalds@...ux-foundation.org, rostedt@...dmis.org,
        dave.hansen@...el.com
Cc:     linux-kernel@...r.kernel.org, peterz@...radead.org, x86@...nel.org,
        keescook@...omium.org, seanjc@...gle.com
Subject: [PATCH 0/5] x86/ftrace: Cure boot time W+X mapping

Hi,

These few patches re-work and re-order boot things enough to avoid ftrace
creating boot time W+X maps.

The patches compile and boot for the one config I tested things on (with
ftrace=function enabled; *slooooow*).

I've pushed them out for the robots to have a go at here:

  git://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git x86/mm.poke_me