From mboxrd@z Thu Jan 1 00:00:00 1970 From: Janosch Frank Subject: [PATCH 0/2] Huge page pte protection Date: Thu, 25 Jan 2018 16:33:16 +0100 Message-ID: <1516894398-12694-1-git-send-email-frankja@linux.vnet.ibm.com> References: <86c5bd00-a552-1737-8db8-3f7b3c21057e@redhat.com> Return-path: In-Reply-To: <86c5bd00-a552-1737-8db8-3f7b3c21057e@redhat.com> Sender: kvm-owner@vger.kernel.org List-Archive: List-Post: To: kvm@vger.kernel.org Cc: schwidefsky@de.ibm.com, borntraeger@de.ibm.com, david@redhat.com, dominik.dingel@gmail.com, linux-s390@vger.kernel.org List-ID: So, this was stable in both pre and postcopy, at least until I stopped postcopy and hit my BUG_ON in gmap_shadow_notify_pmd. For some reason migration of my 10g l2 with small and big l3 takes 60s instead of ~30s now. For the next version it will need some more love. The second patch will be in the next version one way or another. I just felt that gmap_pte_op_fixup looked weird in a pmd handling function. Janosch Frank (2): mm: s390: Only notify on 4k pages mm: s390: Rename gmap_pte_op_fixup arch/s390/include/asm/gmap.h | 5 +-- arch/s390/mm/gmap.c | 90 +++++++++++--------------------------------- 2 files changed, 23 insertions(+), 72 deletions(-) -- 2.7.4