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Date: Mon, 23 Jul 2018 09:29:51 +0200
From: Joerg Roedel <jroedel@suse.de>
Subject: Re: [PATCH 0/3] PTI for x86-32 Fixes and Updates
Message-ID: <20180723072951.qesrz5pdnngtk455@suse.de>
References: <1532103744-31902-1-git-send-email-joro@8bytes.org>
 <14206a19d597881b2490eb3fea47ee97be17ca93.camel@sympatico.ca>
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To: "David H. Gutteridge" <dhgutteridge@sympatico.ca>
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>

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?


Thanks,

	Joerg