From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52896) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1evR8l-00080K-Gz for qemu-devel@nongnu.org; Mon, 12 Mar 2018 13:21:41 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1evR8i-0007RP-By for qemu-devel@nongnu.org; Mon, 12 Mar 2018 13:21:39 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:47212 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1evR8i-0007QZ-6M for qemu-devel@nongnu.org; Mon, 12 Mar 2018 13:21:36 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id BA5C64067F25 for ; Mon, 12 Mar 2018 17:21:30 +0000 (UTC) From: "Dr. David Alan Gilbert (git)" Date: Mon, 12 Mar 2018 17:20:55 +0000 Message-Id: <20180312172124.56461-1-dgilbert@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: [Qemu-devel] [PATCH v5 00/29] postcopy+vhost-user/shared ram List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org, mst@redhat.com, maxime.coquelin@redhat.com, marcandre.lureau@redhat.com, peterx@redhat.com, quintela@redhat.com Cc: aarcange@redhat.com From: "Dr. David Alan Gilbert" This set enables postcopy migration with shared memory to a vhost user = process. It's based off current head. =20 Testing is mostly performed with dpdk, with corresponding modifications= by Maxime. =20 v5 is mostly just fixes from comments received during review of v4. The only notable one is that the 'advise' message no longer has any data. =20 Dave Dr. David Alan Gilbert (29): migrate: Update ram_block_discard_range for shared qemu_ram_block_host_offset postcopy: use UFFDIO_ZEROPAGE only when available postcopy: Add notifier chain postcopy: Add vhost-user flag for postcopy and check it vhost-user: Add 'VHOST_USER_POSTCOPY_ADVISE' message libvhost-user: Support sending fds back to qemu libvhost-user: Open userfaultfd postcopy: Allow registering of fd handler vhost+postcopy: Register shared ufd with postcopy vhost+postcopy: Transmit 'listen' to slave postcopy+vhost-user: Split set_mem_table for postcopy migration/ram: ramblock_recv_bitmap_test_byte_offset libvhost-user+postcopy: Register new regions with the ufd vhost+postcopy: Send address back to qemu vhost+postcopy: Stash RAMBlock and offset vhost+postcopy: Helper to send requests to source for shared pages vhost+postcopy: Resolve client address postcopy: helper for waking shared postcopy: postcopy_notify_shared_wake vhost+postcopy: Add vhost waker vhost+postcopy: Call wakeups libvhost-user: mprotect & madvises for postcopy vhost-user: Add VHOST_USER_POSTCOPY_END message vhost+postcopy: Wire up POSTCOPY_END notify vhost: Huge page align and merge postcopy: Allow shared memory libvhost-user: Claim support for postcopy postcopy shared docs contrib/libvhost-user/libvhost-user.c | 302 ++++++++++++++++++++++++- contrib/libvhost-user/libvhost-user.h | 11 + docs/devel/migration.rst | 41 ++++ docs/interop/vhost-user.txt | 52 +++++ exec.c | 86 +++++-- hw/virtio/trace-events | 16 +- hw/virtio/vhost-user.c | 411 ++++++++++++++++++++++++++++= +++++- hw/virtio/vhost.c | 66 +++++- include/exec/cpu-common.h | 4 + migration/migration.c | 6 + migration/migration.h | 4 + migration/postcopy-ram.c | 354 +++++++++++++++++++++++-----= - migration/postcopy-ram.h | 73 ++++++ migration/ram.c | 5 + migration/ram.h | 1 + migration/savevm.c | 13 ++ migration/trace-events | 6 + trace-events | 3 +- vl.c | 2 + 19 files changed, 1358 insertions(+), 98 deletions(-) --=20 2.14.3