On Tue, 22 May 2018 22:50:12 +0300 Andrey Ryabinin <[email protected]> wrote:
> > > On 05/22/2018 07:36 PM, David Hildenbrand wrote: > > On 22.05.2018 18:26, Andrey Ryabinin wrote: > >> > >> > >> On 05/22/2018 01:07 PM, David Hildenbrand wrote: > >>> Using module_init() is wrong. E.g. ACPI adds and onlines memory before > >>> our memory notifier gets registered. > >>> > >>> This makes sure that ACPI memory detected during boot up will not > >>> result in a kernel crash. > >>> > >>> Easily reproducable with QEMU, just specify a DIMM when starting up. > >> > >> reproducible > >>> > >>> Signed-off-by: David Hildenbrand <[email protected]> > >>> --- > >> > >> Fixes: fa69b5989bb0 ("mm/kasan: add support for memory hotplug") > >> Acked-by: Andrey Ryabinin <[email protected]> > >> Cc: <[email protected]> > > > > Think this even dates back to: > > > > 786a8959912e ("kasan: disable memory hotplug") > > > > Indeed. Is a backport to -stable justified for either of these patches?
