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[Qemu-devel] [PATCH v6 00/24] vhost-user: add migration support
From: |
marcandre . lureau |
Subject: |
[Qemu-devel] [PATCH v6 00/24] vhost-user: add migration support |
Date: |
Tue, 29 Sep 2015 18:34:30 +0200 |
From: Marc-André Lureau <address@hidden>
Hi,
The following series implement shareable log for vhost-user to support
memory tracking during live migration. On qemu-side, the solution is
fairly straightfoward since vhost already supports the dirty log, only
vhost-user couldn't access the log memory until then.
The series includes "vhost user: Add live migration" patches from
Thibaut Collet.
v5->v6:
- rebased
- fix protocol feature mask update
- add a patch from Thibault Collet using enum for features, and
compute mask
- add unistd.h linux headers to help building memfd if missing on
build host. Hopefully will be useful for other syscalls some day
- reorder/merge patches to share-allocate the log only if needed
- split the memfd helper to allow to drop the fallback code
- allow to call qemu_memfd_free() even if alloc failed
- add some missing spaces
v4->v5:
- rebase on top of last Michael S. Tsirkin PULL request
- block live migration if !PROTOCOL_F_LOG_SHMFD
- wait for a reply after SET_LOG_BASE
- split vhost_set_log_base from the rest of vhost_call refactoring
- use a seperate global vhost_log_shm
v3->v4:
- add the proto negotiation & the migration series
- replace the varargs vhost_call() approach for callbacks
- only share-allocate when the backend needs it
v2->v3:
- changed some patch summary
- added migration tests
- added a patch to replace error message with a trace
The development branch I used is:
https://github.com/elmarco/qemu branch "vhost-user"
Marc-André Lureau (20):
configure: probe for memfd
linux-headers: add unistd.h
util: add linux-only memfd fallback
util: add memfd helpers
memfd: add fallback for memfd
vhost: document log resizing
vhost: add vhost_set_log_base op
vhost-user: add vhost_user_requires_shm_log()
vhost: alloc shareable log
vhost-user: send log shm fd along with log_base
vhost-user: add a migration blocker
vhost: use a function for each call
vhost-user: document migration log
net: add trace_vhost_user_event
vhost-user-test: move wait_for_fds() out
vhost-user-test: remove useless static check
vhost-user-test: wrap server in TestServer struct
vhost-user-test: learn to tweak various qemu arguments
vhost-user-test: add live-migration test
vhost-user-test: check ownership during migration
Michael S. Tsirkin (1):
vhost-user: unit test for new messages
Thibaut Collet (3):
vhost user: add support of live migration
vhost user: add rarp sending after live migration for legacy guest
vhost-user: use an enum helper for features mask
configure | 19 +
docs/specs/vhost-user.txt | 63 ++-
hw/net/vhost_net.c | 35 +-
hw/scsi/vhost-scsi.c | 7 +-
hw/virtio/vhost-backend.c | 121 +++-
hw/virtio/vhost-user.c | 576 ++++++++++++-------
hw/virtio/vhost.c | 102 ++--
include/hw/virtio/vhost-backend.h | 77 ++-
include/hw/virtio/vhost.h | 15 +-
include/net/vhost_net.h | 1 +
include/qemu/memfd.h | 24 +
linux-headers/asm-arm/unistd.h | 448 +++++++++++++++
linux-headers/asm-arm64/kvm.h | 37 +-
linux-headers/asm-arm64/unistd.h | 16 +
linux-headers/asm-mips/unistd.h | 1063 ++++++++++++++++++++++++++++++++++++
linux-headers/asm-powerpc/unistd.h | 392 +++++++++++++
linux-headers/asm-s390/unistd.h | 404 ++++++++++++++
linux-headers/asm-x86/unistd.h | 15 +
linux-headers/asm-x86/unistd_32.h | 377 +++++++++++++
linux-headers/asm-x86/unistd_64.h | 330 +++++++++++
linux-headers/asm-x86/unistd_x32.h | 319 +++++++++++
net/vhost-user.c | 34 +-
scripts/update-linux-headers.sh | 7 +-
tests/vhost-user-test.c | 390 +++++++++++--
trace-events | 3 +
util/Makefile.objs | 2 +-
util/memfd.c | 129 +++++
27 files changed, 4673 insertions(+), 333 deletions(-)
create mode 100644 include/qemu/memfd.h
create mode 100644 linux-headers/asm-arm/unistd.h
create mode 100644 linux-headers/asm-arm64/unistd.h
create mode 100644 linux-headers/asm-mips/unistd.h
create mode 100644 linux-headers/asm-powerpc/unistd.h
create mode 100644 linux-headers/asm-s390/unistd.h
create mode 100644 linux-headers/asm-x86/unistd.h
create mode 100644 linux-headers/asm-x86/unistd_32.h
create mode 100644 linux-headers/asm-x86/unistd_64.h
create mode 100644 linux-headers/asm-x86/unistd_x32.h
create mode 100644 util/memfd.c
--
2.4.3
- [Qemu-devel] [PATCH v6 00/24] vhost-user: add migration support,
marcandre . lureau <=
- [Qemu-devel] [PATCH v6 08/24] vhost: add vhost_set_log_base op, marcandre . lureau, 2015/10/08
- [Qemu-devel] [PATCH v6 09/24] vhost-user: add vhost_user_requires_shm_log(), marcandre . lureau, 2015/10/08
- [Qemu-devel] [PATCH v6 11/24] vhost-user: send log shm fd along with log_base, marcandre . lureau, 2015/10/08
- [Qemu-devel] [PATCH v6 14/24] vhost-user: document migration log, marcandre . lureau, 2015/10/08
- [Qemu-devel] [PATCH v6 15/24] net: add trace_vhost_user_event, marcandre . lureau, 2015/10/08
- [Qemu-devel] [PATCH v6 13/24] vhost: use a function for each call, marcandre . lureau, 2015/10/08
- [Qemu-devel] [PATCH v6 06/24] memfd: add fallback for memfd, marcandre . lureau, 2015/10/08