linux-kernel - Re: [PATCH] x86/mm: fix cpu stuck issue in __change_page_attr_set

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <alpine.DEB.2.21.1807050811220.1579@nanos.tec.linutronix.de>
Date:   Thu, 5 Jul 2018 08:15:52 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     "Yang, Bin" <bin.yang@...el.com>
cc:     "mingo@...nel.org" <mingo@...nel.org>,
        "hpa@...or.com" <hpa@...or.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "peterz@...radead.org" <peterz@...radead.org>,
        "x86@...nel.org" <x86@...nel.org>
Subject: Re: [PATCH] x86/mm: fix cpu stuck issue in
 __change_page_attr_set_clr

On Thu, 5 Jul 2018, Yang, Bin wrote:

> Sorry for the misunderstanding. I mean I will improve the check loop in patch v2. 
> I just submitted patch v2. Thanks in advance for your kind review.

Did you actually read what I wrote?

> On Thu, 5 Jul 2018, Yang, Bin wrote:
> 
> Please do not top post.

Here again: Please do not top post.

and further down:

> and that can be done smart without massive looping in 4K steps, but we
> really want to analyze _first_ whether the checks are just silently fixing
> up sloppy callers and whether they are needed at all.

I can't see any analysis of that in your V2.

Thanks,

	tglx