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Message-ID: <0432580c68060ed979433a04416cc19307fc5511.camel@sympatico.ca>
Subject: Re: [PATCH 0/3] PTI for x86-32 Fixes and Updates
From:   "David H. Gutteridge" <dhgutteridge@sympatico.ca>
To:     Joerg Roedel <jroedel@suse.de>
Cc:     Joerg Roedel <joro@8bytes.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@kernel.org>,
        "H . Peter Anvin" <hpa@zytor.com>, x86@kernel.org,
        linux-kernel@vger.kernel.org, linux-mm@kvack.org,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Andy Lutomirski <luto@kernel.org>,
        Dave Hansen <dave.hansen@intel.com>,
        Josh Poimboeuf <jpoimboe@redhat.com>,
        Juergen Gross <jgross@suse.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Borislav Petkov <bp@alien8.de>, Jiri Kosina <jkosina@suse.cz>,
        Boris Ostrovsky <boris.ostrovsky@oracle.com>,
        Brian Gerst <brgerst@gmail.com>,
        David Laight <David.Laight@aculab.com>,
        Denys Vlasenko <dvlasenk@redhat.com>,
        Eduardo Valentin <eduval@amazon.com>,
        Greg KH <gregkh@linuxfoundation.org>,
        Will Deacon <will.deacon@arm.com>, aliguori@amazon.com,
        daniel.gruss@iaik.tugraz.at, hughd@google.com, keescook@google.com,
        Andrea Arcangeli <aarcange@redhat.com>,
        Waiman Long <llong@redhat.com>, Pavel Machek <pavel@ucw.cz>,
        Arnaldo Carvalho de Melo <acme@kernel.org>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        Jiri Olsa <jolsa@redhat.com>,
        Namhyung Kim <namhyung@kernel.org>
Date:   Wed, 25 Jul 2018 23:47:21 -0400
In-Reply-To: <20180723072951.qesrz5pdnngtk455@suse.de>
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On Mon, 2018-07-23 at 09:29 +0200, Joerg Roedel wrote:
> Hey David,
> 
> On Sun, Jul 22, 2018 at 11:49:00PM -0400, David H. Gutteridge wrote:
> > Unfortunately, I can trigger a bug in KVM+QEMU with the Bochs VGA
> > driver. (This is the same VM definition I shared with you in a PM
> > back on Feb. 20th, except note that 4.18 kernels won't successfully
> > boot with QEMU's IDE device, so I'm using SATA instead. That's a
> > regression totally unrelated to your change sets, or to the general
> > booting issue with 4.18 RC5, since it occurs in vanilla RC4 as
> > well.)
> 
> Yes, this needs the fixes in the tip/x86/mm branch as well. Can you
> that branch in and test again, please?

Sorry, I didn't realize I needed those changes, too. I've re-tested
with those applied and haven't encountered any issues. I'm now
re-testing again with your newer patch set from the 25th. No issues
so far with those, either; I'll confirm in that email thread after
the laptop has seen some more use.

Dave