Re: [PATCH v2 6/6] fs/proc/kcore: use page_offline_(freeze|thaw)

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To: David Hildenbrand <david@xxxxxxxxxx>
Subject: Re: [PATCH v2 6/6] fs/proc/kcore: use page_offline_(freeze|thaw)
From: Oscar Salvador <osalvador@xxxxxxx>
Date: Tue, 25 May 2021 10:21:17 +0200
Cc: linux-kernel@xxxxxxxxxxxxxxx, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, "Michael S. Tsirkin" <mst@xxxxxxxxxx>, Jason Wang <jasowang@xxxxxxxxxx>, Alexey Dobriyan <adobriyan@xxxxxxxxx>, Mike Rapoport <rppt@xxxxxxxxxx>, "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>, Michal Hocko <mhocko@xxxxxxxx>, Roman Gushchin <guro@xxxxxx>, Alex Shi <alex.shi@xxxxxxxxxxxxxxxxx>, Steven Price <steven.price@xxxxxxx>, Mike Kravetz <mike.kravetz@xxxxxxxxxx>, Aili Yao <yaoaili@xxxxxxxxxxxx>, Jiri Bohac <jbohac@xxxxxxx>, "K. Y. Srinivasan" <kys@xxxxxxxxxxxxx>, Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>, Stephen Hemminger <sthemmin@xxxxxxxxxxxxx>, Wei Liu <wei.liu@xxxxxxxxxx>, Naoya Horiguchi <naoya.horiguchi@xxxxxxx>, linux-hyperv@xxxxxxxxxxxxxxx, virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx
In-reply-to: <20210514172247.176750-7-david@redhat.com>
References: <20210514172247.176750-1-david@redhat.com> <20210514172247.176750-7-david@redhat.com>
User-agent: Mutt/1.10.1 (2018-07-13)

On Fri, May 14, 2021 at 07:22:47PM +0200, David Hildenbrand wrote:
> Let's properly synchronize with drivers that set PageOffline().
> Unfreeze/thaw every now and then, so drivers that want to set PageOffline()
> can make progress.
> 
> Signed-off-by: David Hildenbrand <david@xxxxxxxxxx>

Reviewed-by: Oscar Salvador <osalvador@xxxxxxx>


-- 
Oscar Salvador
SUSE L3

References:
- [PATCH v2 0/6] fs/proc/kcore: don't read offline sections, logically offline pages and hwpoisoned pages
  - From: David Hildenbrand
- [PATCH v2 6/6] fs/proc/kcore: use page_offline_(freeze|thaw)
  - From: David Hildenbrand

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