APPLIED[E]: [PATCH 0/4][SRU][B-HWE][D][V3] fix i386 boot crashes, LP: #1838115

[Seth Forshee]

On Mon, Jul 29, 2019 at 12:19:18PM +0100, Colin King wrote:
> From: Colin Ian King <colin.king at canonical.com>
> 
> BugLink: https://bugs.launchpad.net/bugs/1838115
> 
> Fix i386 boot crashes and i915 graphics corruption. Upstream fix
> 3f8fd02b1bf1d7b (" mm/vmalloc: Sync unmappings in 
> __purge_vmap_area_lazy()") fixes the core issue, and pull in 3
> other prerequesits to allow patch to apply cleanly w/o any
> backporting.
> 
> Tested on Ubuntu Bionic i386 and amd64 with some stress-testing
> with stress-ng --vm 4 --brk 1 for 5 minutes.

Applied patches 1, 2, and 4 to eoan/master-next. Patch 3 was in 5.2 and
thus already present in eoan. Thanks!