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

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Message-ID: <20180720075933.fegnjnhgouclitft@suse.de>
Date:   Fri, 20 Jul 2018 09:59:33 +0200
From:   Joerg Roedel <jroedel@...e.de>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     Joerg Roedel <joro@...tes.org>, 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>,
        "David H . Gutteridge" <dhgutteridge@...patico.ca>
Subject: Re: [PATCH 00/39 v8] PTI support for x86-32

Hi Thomas,

On Fri, Jul 20, 2018 at 01:21:33AM +0200, Thomas Gleixner wrote:
> On Wed, 18 Jul 2018, Joerg Roedel wrote:
> > 
> > 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.
> 
> I went over the whole set once again and did not find any real issues. As
> the outstanding review comments are addressed, I decided that only broader
> exposure can shake out eventually remaining issues. Applied and pushed out,
> so it should show up in linux-next soon.
> 
> The mm regression seems to be sorted, so there is no immeditate fallout
> expected.
> 
> Thanks for your patience in reworking this over and over. Thanks to Andy
> for putting his entry focssed eyes on it more than once. Great work!

Thanks a lot too! Let's hope things will go smooth from here...
I will also continue testing and improving the code, currently I am
working on a relaxed paranoid entry/exit path suggested by Andy.


Regards,

	Joerg