linux-kernel - Re: [PATCH 00/39 v8] PTI support for x86-32

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Date:   Wed, 18 Jul 2018 13:59:57 +0200
From:   Pavel Machek <pavel@....cz>
To:     Joerg Roedel <joro@...tes.org>
Cc:     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>,
        "David H . Gutteridge" <dhgutteridge@...patico.ca>, jroedel@...e.de
Subject: Re: [PATCH 00/39 v8] PTI support for x86-32

On Wed 2018-07-18 11:40:37, Joerg Roedel wrote:
> Hi,
> 
> here is version 8 of my patches to enable PTI on x86-32. The
> last version got some good review which I mostly worked into
> this version.


> for easier testing. The code survived >12h overnight testing
> with my usual
> 
> 	* 'perf top' for NMI load
> 
> 	* x86-selftests in a loop (except mpx and pkeys
> 	  which are not supported on the machine)
> 
> 	* kernel-compile in a loop
> 
> all in parallel. I also boot-tested x86-64 and !PAE config
> again and ran my GLB-test to make sure that the global
> mappings between user and kernel page-table are identical.
> All that succeeded and showed no regressions.

For the record:

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

(on top of .18.0-rc5-next-20180718)

									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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