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Message-ID: <CAJcbSZHGH8G01zXSE6y9A19ZxFYY0bzeqcfHBEAYZcn8ZeX3+g@mail.gmail.com>
Date: Wed, 10 Aug 2016 07:42:17 -0700
From: Thomas Garnier <thgarnie@...gle.com>
To: Jiri Kosina <jikos@...nel.org>
Cc: "Rafael J. Wysocki" <rjw@...ysocki.net>, "Rafael J. Wysocki" <rafael@...nel.org>,
Linux PM list <linux-pm@...r.kernel.org>, "the arch/x86 maintainers" <x86@...nel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Yinghai Lu <yinghai@...nel.org>,
Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, "H . Peter Anvin" <hpa@...or.com>,
Kees Cook <keescook@...omium.org>, Pavel Machek <pavel@....cz>,
Kernel Hardening <kernel-hardening@...ts.openwall.com>, Borislav Petkov <bpetkov@...e.de>
Subject: Re: [Resend][PATCH] x86/power/64: Always create temporary identity
mapping correctly
On Wed, Aug 10, 2016 at 6:18 AM, Jiri Kosina <jikos@...nel.org> wrote:
> On Wed, 10 Aug 2016, Rafael J. Wysocki wrote:
>
>> The last patch I sent had a problem, because if restore_jump_address really
>> overlapped with the identity mapping of the restore kernel, it might share
>> PGD or PUD entries with that mapping and that should have been taken into
>> account.
>>
>> Here goes an update. Again, this works on my test machine, but then the
>> previous version worked on it too ...
>
> Unfortunately still exactly the same symptoms during resume even with this
> one.
What type of machines are you testing it on? What is the memory size?
Processor generation?
>
> Thanks,
>
> --
> Jiri Kosina
> SUSE Labs
>
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