linux-kernel - Re: [PATCH 00/39 v7] PTI support for x86-32

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Message-ID: <20180717061634.mhmidg6u5idp66kz@suse.de>
Date:   Tue, 17 Jul 2018 08:16:34 +0200
From:   Joerg Roedel <jroedel@...e.de>
To:     "David H. Gutteridge" <dhgutteridge@...patico.ca>
Cc:     Joerg Roedel <joro@...tes.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...nel.org>,
        "H . Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andy Lutomirski <luto@...nel.org>,
        Dave Hansen <dave.hansen@...el.com>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Juergen Gross <jgross@...e.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Borislav Petkov <bp@...en8.de>, Jiri Kosina <jkosina@...e.cz>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Brian Gerst <brgerst@...il.com>,
        David Laight <David.Laight@...lab.com>,
        Denys Vlasenko <dvlasenk@...hat.com>,
        Eduardo Valentin <eduval@...zon.com>,
        Greg KH <gregkh@...uxfoundation.org>,
        Will Deacon <will.deacon@....com>, aliguori@...zon.com,
        daniel.gruss@...k.tugraz.at, hughd@...gle.com, keescook@...gle.com,
        Andrea Arcangeli <aarcange@...hat.com>,
        Waiman Long <llong@...hat.com>, Pavel Machek <pavel@....cz>
Subject: Re: [PATCH 00/39 v7] PTI support for x86-32

Hi Dave,

On Mon, Jul 16, 2018 at 10:07:44PM -0400, David H. Gutteridge wrote:
> I redid my testing on bare metal and in a VM (as with my previous
> testing
> efforts: https://lkml.org/lkml/2018/2/19/844, same setups
> and coverage,
> plus CONFIG_X86_DEBUG_ENTRY_CR3 enabled too) with the
> pti-x32-v7 branch,
> and I didn't encounter any issues. The two DRM
> drivers that were
> triggering bugs in some of the prior iterations
> are both behaving
> properly for me.

That are great news, thanks for testing, David!


Regards,

	Joerg