linux-kernel - Re: [PATCH] mm, soft-offline: convert parameter to pfn

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] [day] [month] [year] [list]

Message-ID: <20191017080720.GB15898@hori.linux.bs1.fc.nec.co.jp>
Date:   Thu, 17 Oct 2019 08:07:21 +0000
From:   Naoya Horiguchi <n-horiguchi@...jp.nec.com>
To:     Oscar Salvador <osalvador@...e.de>
CC:     David Hildenbrand <david@...hat.com>,
        Naoya Horiguchi <nao.horiguchi@...il.com>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "Michal Hocko" <mhocko@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] mm, soft-offline: convert parameter to pfn

On Thu, Oct 17, 2019 at 10:03:21AM +0200, Oscar Salvador wrote:
> On Thu, Oct 17, 2019 at 07:50:18AM +0000, Naoya Horiguchi wrote:
> > Actually I guess that !pfn_valid() never happens when called from
> > madvise_inject_error(), because madvise_inject_error() gets pfn via
> > get_user_pages_fast() which only returns valid page for valid pfn.
> > 
> > And we plan to remove MF_COUNT_INCREASED by Oscar's re-design work,
> > so I start feeling that this patch should come on top of his tree.
> 
> Hi Naoya,
> 
> I am pretty much done with my testing.
> If you feel like, I can take the patch and add it on top of [1]
> , then I will do some more testing and, if nothing pops up, I will
> send it upstream.

Hi Oscar,
Yes, please take it, thank you for speaking up.

> 
> [1] https://github.com/leberus/linux/tree/hwpoison-v2