Re: [Xen-devel] [PATCH v4 8/8] mm: Make sure pages are scrubbed

2017-06-12 Thread Jan Beulich
>>> On 19.05.17 at 17:50, wrote: > --- a/xen/Kconfig.debug > +++ b/xen/Kconfig.debug > @@ -114,6 +114,13 @@ config DEVICE_TREE_DEBUG > logged in the Xen ring buffer. > If unsure, say N here. > > +config SCRUB_DEBUG > +bool "Page scrubbing test" > +default DEBUG > +---

[Xen-devel] [PATCH v4 8/8] mm: Make sure pages are scrubbed

2017-05-19 Thread Boris Ostrovsky
Add a debug Kconfig option that will make page allocator verify that pages that were supposed to be scrubbed are, in fact, clean. Signed-off-by: Boris Ostrovsky --- Changes in v4: * Don't (debug-)scrub (and don't check for poison) before bootscrub completes * Adjust scrub pattern xen/Kconfig.de