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From: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
To: Zhou Yanjie <zhouyanjie@wanyeetech.com>
Cc: Huang Pei <huangpei@loongson.cn>,
	linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org,
	akpm@linux-foundation.org, paul.burton@mips.com,
	paul@crapouillou.net, siyanteng@loongson.cn, ira.weiny@intel.com,
	yangtiezhu@loongson.cn, jun.jiang@ingenic.com,
	dongsheng.qiu@ingenic.com, aric.pzqi@ingenic.com,
	rick.tyliu@ingenic.com, sernia.zhou@foxmail.com,
	sihui.liu@ingenic.com
Subject: Re: [PATCH] Revert "MIPS: make userspace mapping young by default".
Date: Fri, 23 Apr 2021 16:51:31 +0200	[thread overview]
Message-ID: <20210423145131.GA11112@alpha.franken.de> (raw)
In-Reply-To: <fd1e02ff-0165-7e7e-8bc6-55fb278fc50f@wanyeetech.com>

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 ]

  reply	other threads:[~2021-04-23 14:57 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-16  8:47 [PATCH] Revert "MIPS: make userspace mapping young by default" 周琰杰 (Zhou Yanjie)
2021-04-16  9:20 ` 黄沛
     [not found]   ` <ae06522f-eda8-96d1-6f58-072905afa65c@wanyeetech.com>
2021-04-19  4:56     ` Huang Pei
2021-04-19 14:21       ` Zhou Yanjie
2021-04-20  2:48         ` Huang Pei
2021-04-20 13:47           ` Zhou Yanjie
2021-04-20 14:03           ` Zhou Yanjie
2021-04-23 14:51             ` Thomas Bogendoerfer [this message]
2021-04-24 11:24               ` Zhou Yanjie
2021-04-26 13:11                 ` Huang Pei
2021-04-29 18:04                   ` Thomas Bogendoerfer
2021-04-30  2:07                     ` Huang Pei
2021-05-08  8:48                     ` Zhou Yanjie
2021-05-26  9:43 Thomas Bogendoerfer
2021-05-26 20:49 ` Andrew Morton

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