linux-kernel - Re: [PATCH] mm,memory_hotplug: Drop unneeded locking

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Message-ID: <20210601081250.GA32364@linux>
Date:   Tue, 1 Jun 2021 10:12:54 +0200
From:   Oscar Salvador <osalvador@...e.de>
To:     David Hildenbrand <david@...hat.com>
Cc:     Anshuman Khandual <anshuman.khandual@....com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Michal Hocko <mhocko@...nel.org>,
        Vlastimil Babka <vbabka@...e.cz>,
        Pavel Tatashin <pasha.tatashin@...een.com>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm,memory_hotplug: Drop unneeded locking

On Tue, Jun 01, 2021 at 10:02:54AM +0200, David Hildenbrand wrote:
> If there is no writer anymore, why do we have to protect readers?

Yeah, you are right. 
Let me prepare a v2 as this is getting too sloppy.


-- 
Oscar Salvador
SUSE L3