Re: [PATCH] Revert "MIPS: make userspace mapping young by default".
From: Thomas Bogendoerfer
Date: Fri Apr 23 2021 - 10:57:20 EST
On Tue, Apr 20, 2021 at 10:03:01PM +0800, Zhou Yanjie wrote:
> Sorry for my carelessness, the log in the previous email was wrong, please
> check the log in this email.
>
> [ 53.684067] --- pte 1 = 07698685
any chance to print the virtual address to this pte ?
> [ 53.687376] --- pte 3 = 07698685
> [ 53.737175] --- pte 1 = 07699685
> [ 53.740412] --- pte 3 = 07699685
> [ 53.744064] --- pte 1 = 076c3685
> [..]
could you print PTE, which faults ? And what is mapped there ?
so far I haven't seen any ill-effects of the (bisected ?) patch.
The problem I have with reverting is that IMHO we re-introduce the bug,
which this patch fixed.
Thomas.
--
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea. [ RFC1925, 2.3 ]