Re: [PATCH 0/3] PTI for x86-32 Fixes and Updates

From: David H. Gutteridge
Date: Wed Jul 25 2018 - 23:47:32 EST


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