Messages in this thread | | | Date | Sat, 30 Apr 2016 14:02:42 -0700 | From | Greg KH <> | Subject | Re: [PATCH 1/3] Drivers: hv: balloon: don't crash when memory is added in non-sorted order |
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On Fri, Apr 29, 2016 at 11:45:17AM -0700, K. Y. Srinivasan wrote: > From: Vitaly Kuznetsov <vkuznets@redhat.com> > > When we iterate through all HA regions in handle_pg_range() we have an > assumption that all these regions are sorted in the list and the > 'start_pfn >= has->end_pfn' check is enough to find the proper region. > Unfortunately it's not the case with WS2016 where host can hot-add regions > in a different order. We end up modifying the wrong HA region and crashing > later on pages online. Modify the check to make sure we found the region > we were searching for while iterating. Fix the same check in pfn_covered() > as well. > > Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> > Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> > --- > drivers/hv/hv_balloon.c | 4 ++-- > 1 files changed, 2 insertions(+), 2 deletions(-)
I only received patch 1/3 here, what happened to the other 2?
Can you resend the whole series?
thanks,
greg k-h
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