Re: [PATCH] powerpc/fsl_book3e: Don't set rodata RO too early

[Michael Ellerman]

On Thu, 19 May 2022 19:24:15 +0200, Christophe Leroy wrote:
> On fsl_book3e, rodata is set read-only at the same time as
> init text is set NX at the end of init. That's too early.
> 
> As both action are performed at the same time, delay both
> actions to the time rodata is expected to be made read-only.
> 
> It means we will have a small window with init mem freed but
> still executable. It shouldn't be an issue though, especially
> because the said memory gets poisoned and should therefore
> result to a bad instruction fault in case it gets executer.
> 
> [...]

Applied to powerpc/next.

[1/1] powerpc/fsl_book3e: Don't set rodata RO too early
      https://git.kernel.org/powerpc/c/ad91f66f5fa7c6f9346e721c3159ce818568028b

cheers