linux-kernel - Re: [PATCH 09/12][RFC v3] x86-32, hibernate: Switch to original page table after resumed

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Message-ID: <20180920220548.GK27468@xo-6d-61-c0.localdomain>
Date:   Fri, 21 Sep 2018 00:05:49 +0200
From:   Pavel Machek <pavel@....cz>
To:     Chen Yu <yu.c.chen@...el.com>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>, x86@...nel.org,
        linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        Len Brown <len.brown@...el.com>,
        Zhimin Gu <kookoo.gu@...el.com>
Subject: Re: [PATCH 09/12][RFC v3] x86-32, hibernate: Switch to original page
 table after resumed

On Wed 2018-09-19 15:43:05, Chen Yu wrote:
> From: Zhimin Gu <kookoo.gu@...el.com>
> 
> After all the pages are restored to previous address, the page
> table switches back to current swapper_pg_dir. However the
> swapper_pg_dir currently in used might not be consistent with
> previous page table, which might cause issue after resumed.
> 
> Fix this issue by switching to original page table after resumed.

"after resume".

Acked-by: Pavel Machek <pavel@....cz>