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[PATCH v5 0/5] vhost-user block device backend implementation

Coiby Xu posted 5 patches 5 years, 7 months ago
Test docker-quick@centos7 passed
Test checkpatch passed
Test docker-clang@ubuntu failed
Test FreeBSD passed
Patches applied successfully (tree, apply log)
git fetch https://github.com/patchew-project/qemu tags/patchew/20200309100342.14921-1-coiby.xu@gmail.com
Maintainers: Paolo Bonzini <pbonzini@redhat.com>, Kevin Wolf <kwolf@redhat.com>, "Dr. David Alan Gilbert" <dgilbert@redhat.com>, Stefan Hajnoczi <stefanha@redhat.com>, Max Reitz <mreitz@redhat.com>
There is a newer version of this series
Makefile                                   |   4 +
block/Makefile.objs                        |   3 +
block/export/vhost-user-blk-server.c       | 727 +++++++++++++++++++++
block/export/vhost-user-blk-server.h       |  21 +
configure                                  |   3 +
contrib/libvhost-user/libvhost-user-glib.c |   2 +-
contrib/libvhost-user/libvhost-user.c      |  10 +-
contrib/libvhost-user/libvhost-user.h      |   6 +
qemu-vu.c                                  | 252 +++++++
softmmu/vl.c                               |   4 +
tests/Makefile.include                     |   3 +-
tests/qtest/Makefile.include               |   2 +
tests/qtest/libqos/vhost-user-blk.c        | 126 ++++
tests/qtest/libqos/vhost-user-blk.h        |  44 ++
tests/qtest/vhost-user-blk-test.c          | 694 ++++++++++++++++++++
tests/vhost-user-bridge.c                  |   2 +
tools/virtiofsd/fuse_virtio.c              |   4 +-
util/Makefile.objs                         |   3 +
util/vhost-user-server.c                   | 360 ++++++++++
util/vhost-user-server.h                   |  57 ++
20 files changed, 2318 insertions(+), 9 deletions(-)
create mode 100644 block/export/vhost-user-blk-server.c
create mode 100644 block/export/vhost-user-blk-server.h
create mode 100644 qemu-vu.c
create mode 100644 tests/qtest/libqos/vhost-user-blk.c
create mode 100644 tests/qtest/libqos/vhost-user-blk.h
create mode 100644 tests/qtest/vhost-user-blk-test.c
create mode 100644 util/vhost-user-server.c
create mode 100644 util/vhost-user-server.h
[PATCH v5 0/5] vhost-user block device backend implementation
Posted by Coiby Xu 5 years, 7 months ago 
v5:
 * re-use vu_kick_cb in libvhost-user
 * keeping processing VhostUserMsg in the same coroutine until there is
   detachment/attachment of AIOContext
 * Spawn separate coroutine for each VuVirtqElement
 * Other changes including relocating vhost-user-blk-server.c, coding
   style etc.

v4:
 * add object properties in class_init
 * relocate vhost-user-blk-test
 * other changes including using SocketAddress, coding style, etc.

v3:
 * separate generic vhost-user-server code from vhost-user-blk-server
   code
 * re-write vu_message_read and kick hander function as coroutines to
   directly call blk_co_preadv, blk_co_pwritev, etc.
 * add aio_context notifier functions to support multi-threading model
 * other fixes regarding coding style, warning report, etc.

v2:
 * Only enable this feauture for Linux because eventfd is a Linux-specific
   feature


This patch series is an implementation of vhost-user block device
backend server, thanks to Stefan and Kevin's guidance.

Vhost-user block device backend server is a UserCreatable object and can be
started using object_add,

 (qemu) object_add vhost-user-blk-server,id=ID,unix-socket=/tmp/vhost-user-blk_vhost.socket,node-name=DRIVE_NAME,writable=off,blk-size=512
 (qemu) object_del ID

or appending the "-object" option when starting QEMU,

  $ -object vhost-user-blk-server,id=disk,unix-socket=/tmp/vhost-user-blk_vhost.socket,node-name=DRIVE_NAME,writable=off,blk-size=512

Then vhost-user client can connect to the server backend.
For example, QEMU could act as a client,

  $ -m 256 -object memory-backend-memfd,id=mem,size=256M,share=on -numa node,memdev=mem -chardev socket,id=char1,path=/tmp/vhost-user-blk_vhost.socket -device vhost-user-blk-pci,id=blk0,chardev=char1

And guest OS could access this vhost-user block device after mouting it.

Coiby Xu (5):
  allow vu_message_read to be replaced
  generic vhost user server
  vhost-user block device backend server
  a standone-alone tool to directly share disk image file via vhost-user
    protocol
  new qTest case to test the vhost-user-blk-server

 Makefile                                   |   4 +
 block/Makefile.objs                        |   3 +
 block/export/vhost-user-blk-server.c       | 727 +++++++++++++++++++++
 block/export/vhost-user-blk-server.h       |  21 +
 configure                                  |   3 +
 contrib/libvhost-user/libvhost-user-glib.c |   2 +-
 contrib/libvhost-user/libvhost-user.c      |  10 +-
 contrib/libvhost-user/libvhost-user.h      |   6 +
 qemu-vu.c                                  | 252 +++++++
 softmmu/vl.c                               |   4 +
 tests/Makefile.include                     |   3 +-
 tests/qtest/Makefile.include               |   2 +
 tests/qtest/libqos/vhost-user-blk.c        | 126 ++++
 tests/qtest/libqos/vhost-user-blk.h        |  44 ++
 tests/qtest/vhost-user-blk-test.c          | 694 ++++++++++++++++++++
 tests/vhost-user-bridge.c                  |   2 +
 tools/virtiofsd/fuse_virtio.c              |   4 +-
 util/Makefile.objs                         |   3 +
 util/vhost-user-server.c                   | 360 ++++++++++
 util/vhost-user-server.h                   |  57 ++
 20 files changed, 2318 insertions(+), 9 deletions(-)
 create mode 100644 block/export/vhost-user-blk-server.c
 create mode 100644 block/export/vhost-user-blk-server.h
 create mode 100644 qemu-vu.c
 create mode 100644 tests/qtest/libqos/vhost-user-blk.c
 create mode 100644 tests/qtest/libqos/vhost-user-blk.h
 create mode 100644 tests/qtest/vhost-user-blk-test.c
 create mode 100644 util/vhost-user-server.c
 create mode 100644 util/vhost-user-server.h

--
2.25.1
Re: [PATCH v5 0/5] vhost-user block device backend implementation
Posted by no-reply@patchew.org 5 years, 7 months ago 
Patchew URL: https://patchew.org/QEMU/20200309100342.14921-1-coiby.xu@gmail.com/



Hi,

This series failed the docker-clang@ubuntu build test. Please find the testing commands and
their output below. If you have Docker installed, you can probably reproduce it
locally.

=== TEST SCRIPT BEGIN ===
#!/bin/bash
make docker-image-ubuntu V=1 NETWORK=1
time make docker-test-clang@ubuntu SHOW_ENV=1 J=14 NETWORK=1
=== TEST SCRIPT END ===

  LINK    scsi/qemu-pr-helper
  LINK    qemu-bridge-helper
  LINK    virtiofsd
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `/usr/bin/ld: rpc_createerr@@GLIBC_2.2.5/lib/x86_64-linux-gnu/libtirpc.so.3' overridden by definition from : warning: common of `/lib/x86_64-linux-gnu/libc.so.6
rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  GEN     cris-softmmu/hmp-commands.h
  GEN     hppa-softmmu/hmp-commands.h
  GEN     alpha-softmmu/hmp-commands.h
---
  CC      mips64el-softmmu/qapi/qapi-commands.o
  CC      i386-softmmu/hw/i386/vmmouse.o
  CC      hppa-softmmu/trace/generated-helpers.o
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  CC      mipsel-softmmu/memory.o
  CC      arm-softmmu/hw/arm/musicpal.o
  CC      alpha-softmmu/target/alpha/gdbstub.o
---
  CC      arm-softmmu/hw/arm/gumstix.o
  CC      i386-softmmu/hw/i386/../xenpv/xen_machine_pv.o
  CC      aarch64-softmmu/hw/arm/gumstix.o
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  CC      i386-softmmu/hw/i386/kvm/clock.o
  CC      aarch64-softmmu/hw/arm/spitz.o
  CC      arm-softmmu/hw/arm/spitz.o
---
  CC      mips64el-softmmu/trace/generated-helpers.o
  CC      aarch64-softmmu/hw/arm/bcm2836.o
  GEN     nios2-softmmu/config-devices.h
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  GEN     nios2-softmmu/config-target.h
  CC      arm-softmmu/hw/arm/stm32f405_soc.o
  CC      arm-softmmu/hw/arm/fsl-imx25.o
---
  CC      moxie-softmmu/tcg/tcg-common.o
  CC      mipsel-softmmu/hw/display/vhost-user-gpu-pci.o
  LINK    mips-softmmu/qemu-system-mips
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  GEN     or1k-softmmu/hmp-commands.h
  GEN     or1k-softmmu/hmp-commands-info.h
  GEN     or1k-softmmu/config-devices.h
---
  GEN     ppc-softmmu/config-target.h
  CC      ppc-softmmu/exec.o
  GEN     ppc64-softmmu/hmp-commands.h
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  GEN     ppc64-softmmu/hmp-commands-info.h
  GEN     ppc64-softmmu/config-devices.h
  GEN     ppc64-softmmu/config-target.h
---
  CC      mipsel-softmmu/qapi/qapi-types-misc-target.o
  GEN     s390x-softmmu/gdbstub-xml.c
  CC      ppc-softmmu/hw/vfio/calxeda-xgmac.o
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  CC      aarch64-softmmu/qapi/qapi-commands-misc-target.o
  CC      mipsel-softmmu/qapi/qapi-types.o
  CC      riscv32-softmmu/hw/display/virtio-gpu-3d.o
---
  CC      mipsel-softmmu/target/mips/translate.o
  CC      or1k-softmmu/target/openrisc/machine.o
  CC      s390x-softmmu/accel/tcg/tcg-runtime.o
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  CC      arm-softmmu/target/arm/machine.o
  CC      nios2-softmmu/target/nios2/mmu.o
  CC      sh4-softmmu/accel/tcg/cpu-exec-common.o
---
  CC      mipsel-softmmu/target/mips/op_helper.o
  CC      aarch64-softmmu/target/arm/cpu64.o
  CC      sh4-softmmu/hw/block/dataplane/virtio-blk.o
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  CC      riscv64-softmmu/hw/virtio/vhost-backend.o
  CC      ppc-softmmu/hw/ppc/ppc_booke.o
  CC      ppc64-softmmu/hw/rtc/mc146818rtc.o
---
  CC      riscv32-softmmu/hw/virtio/virtio-iommu-pci.o
  LINK    mipsel-softmmu/qemu-system-mipsel
  CC      ppc-softmmu/hw/ppc/rs6000_mc.o
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  CC      riscv64-softmmu/hw/virtio/virtio-rng-pci.o
  CC      riscv64-softmmu/hw/virtio/virtio-balloon-pci.o
  CC      ppc64-softmmu/hw/vfio/pci-quirks.o
---
  CC      sh4-softmmu/hw/scsi/virtio-scsi-dataplane.o
  CC      sparc-softmmu/balloon.o
  CC      aarch64-softmmu/target/arm/vec_helper.o
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  GEN     trace/generated-helpers.c
  CC      sparc-softmmu/ioport.o
  CC      riscv64-softmmu/hw/virtio/virtio-iommu-pci.o
---
  CC      ppc64-softmmu/hw/virtio/virtio-net-pci.o
  CC      riscv32-softmmu/hw/riscv/sifive_u.o
  CC      sh4-softmmu/hw/virtio/vhost-user-blk-pci.o
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  CC      sparc-softmmu/hw/sparc/leon3.o
  CC      riscv64-softmmu/hw/riscv/sifive_u_otp.o
  CC      sh4-softmmu/hw/virtio/vhost-user-input-pci.o
---
  CC      ppc64-softmmu/hw/ppc/spapr_hcall.o
  CC      riscv64-softmmu/qapi/qapi-commands-machine-target.o
  CC      ppc64-softmmu/hw/ppc/spapr_iommu.o
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  CC      sparc64-softmmu/disas.o
  CC      sparc-softmmu/qapi/qapi-init-commands.o
  CC      sh4-softmmu/hw/sh4/r2d.o
---
  CC      sparc64-softmmu/hw/virtio/vhost-backend.o
  CC      tricore-softmmu/qapi/qapi-init-commands.o
  GEN     x86_64-softmmu/config-devices.h
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  CC      ppc-softmmu/softmmu/main.o
  GEN     x86_64-softmmu/config-target.h
  CC      s390x-softmmu/hw/s390x/ccw-device.o
  CC      ppc64-softmmu/qapi/qapi-introspect.o
  CC      unicore32-softmmu/target/unicore32/translate.o
  CC      sparc64-softmmu/hw/virtio/vhost-user.o
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  CC      tricore-softmmu/softmmu/vl.o
  CC      x86_64-softmmu/exec.o
  CC      tricore-softmmu/target/tricore/translate.o
---
  CC      ppc64-softmmu/qapi/qapi-types-misc-target.o
  CC      sparc64-softmmu/hw/virtio/virtio-balloon.o
  CC      ppc-softmmu/trace/generated-helpers.o
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  CC      x86_64-softmmu/exec-vary.o
  CC      unicore32-softmmu/target/unicore32/op_helper.o
  CC      sh4eb-softmmu/target/sh4/helper.o
---
  CC      ppc64-softmmu/qapi/qapi-events-misc-target.o
  CC      sparc64-softmmu/hw/virtio/vhost-vsock-pci.o
  CC      sparc64-softmmu/hw/virtio/vhost-user-blk-pci.o
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  CC      ppc64-softmmu/qapi/qapi-events.o
  GEN     trace/generated-helpers.c
  CC      xtensa-softmmu/exec-vary.o
---
  CC      sparc64-softmmu/hw/virtio/virtio-net-pci.o
  CC      sparc64-softmmu/hw/virtio/virtio-serial-pci.o
  CC      s390x-softmmu/qapi/qapi-commands-misc-target.o
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  CC      s390x-softmmu/qapi/qapi-commands.o
  CC      x86_64-softmmu/ioport.o
  CC      xtensa-softmmu/ioport.o
---
  CC      xtensa-softmmu/accel/stubs/kvm-stub.o
  CC      xtensa-softmmu/accel/tcg/tcg-all.o
  CC      xtensaeb-softmmu/arch_init.o
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  CC      xtensaeb-softmmu/cpus.o
  CC      xtensaeb-softmmu/gdbstub.o
  CC      sparc64-softmmu/qapi/qapi-types.o
---
  CC      aarch64_be-linux-user/disas.o
  CC      x86_64-softmmu/hw/block/dataplane/virtio-blk.o
  CC      arm-linux-user/tcg/tcg-op-gvec.o
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  CC      cris-linux-user/exec-vary.o
  CC      cris-linux-user/tcg/tcg.o
  GEN     aarch64-linux-user/gdbstub-xml.c
---
  CC      armeb-linux-user/accel/tcg/user-exec-stub.o
  CC      s390x-softmmu/target/s390x/arch_dump.o
  CC      xtensa-softmmu/hw/virtio/virtio-crypto-pci.o
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  CC      cris-linux-user/linux-user/syscall.o
  CC      x86_64-softmmu/hw/net/virtio-net.o
  CC      armeb-linux-user/linux-user/main.o
---
  CC      hppa-linux-user/accel/stubs/whpx-stub.o
  CC      alpha-linux-user/linux-user/strace.o
  GEN     trace/generated-helpers.c
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  CC      xtensaeb-softmmu/hw/vfio/pci.o
  CC      xtensa-softmmu/hw/virtio/vhost-user-input-pci.o
  CC      x86_64-softmmu/hw/scsi/vhost-scsi-common.o
---
  CC      arm-linux-user/linux-user/arm/cpu_loop.o
  CC      alpha-linux-user/linux-user/alpha/signal.o
  CC      xtensa-softmmu/hw/virtio/virtio-scsi-pci.o
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  CC      armeb-linux-user/linux-user/uname.o
  CC      cris-linux-user/linux-user/uname.o
  CCAS    cris-linux-user/linux-user/safe-syscall.o
---
  CC      i386-linux-user/target/i386/svm_helper.o
  CC      mipsn32-linux-user/accel/tcg/translate-all.o
  CC      mipsn32-linux-user/accel/tcg/translator.o
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  CC      mipsel-linux-user/linux-user/uname.o
  CC      microblazeel-linux-user/trace/control-target.o
  CC      mips-linux-user/target/mips/cpu.o
---
  CC      ppc64abi32-linux-user/fpu/softfloat.o
  CC      mipsn32el-linux-user/linux-user/signal.o
  CC      ppc64abi32-linux-user/disas.o
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  CC      ppc-linux-user/accel/stubs/hax-stub.o
  CC      s390x-linux-user/exec-vary.o
  CC      s390x-linux-user/tcg/tcg.o
---
  LINK    tests/test-visitor-serialization
  LINK    tests/test-iov
  LINK    tests/test-bitmap
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  LINK    tests/test-aio
  LINK    tests/test-aio-multithread
  LINK    tests/test-throttle
  LINK    tests/test-thread-pool
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  LINK    tests/test-hbitmap
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  LINK    tests/test-bdrv-drain
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  LINK    tests/test-bdrv-graph-mod
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  LINK    tests/test-blockjob
  LINK    tests/test-blockjob-txn
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  LINK    tests/test-block-backend
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  LINK    tests/test-block-iothread
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  LINK    tests/test-image-locking
  LINK    tests/test-x86-cpuid
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  LINK    tests/test-xbzrle
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  LINK    tests/test-vmstate
  LINK    tests/test-cutils
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  LINK    tests/test-shift128
  LINK    tests/test-mul64
  LINK    tests/test-int128
---
  LINK    tests/test-write-threshold
  LINK    tests/test-crypto-hash
  LINK    tests/test-crypto-hmac
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  LINK    tests/test-crypto-cipher
  LINK    tests/test-crypto-secret
  LINK    tests/test-crypto-tlscredsx509
---
  FLOAT TEST float-to-int
  FLOAT TEST sub
  FLOAT TEST mul
/usr/bin/ld: /lib/x86_64-linux-gnu/libtirpc.so.3: warning: common of `rpc_createerr@@GLIBC_2.2.5' overridden by definition from /lib/x86_64-linux-gnu/libc.so.6
  FLOAT TEST float-to-uint
  FLOAT TEST mulAdd
  FLOAT TEST div
---
  TEST    check-qtest-x86_64: tests/qtest/intel-hda-test
qemu-system-ppc64: total memory for NUMA nodes (0x8000000) should equal RAM size (0x20000000)
Broken pipe
/tmp/qemu-test/src/util/vhost-user-server.c:102:16: runtime error: null pointer passed as argument 1, which is declared to never be null
/usr/include/string.h:43:28: note: nonnull attribute specified here
/tmp/qemu-test/src/tests/qtest/libqtest.c:166: kill_qemu() tried to terminate QEMU process but encountered exit status 1 (expected 0)
/tmp/qemu-test/src/util/vhost-user-server.c:102:28: runtime error: null pointer passed as argument 2, which is declared to never be null
/usr/include/string.h:43:28: note: nonnull attribute specified here
/tmp/qemu-test/src/util/vhost-user-server.c:110:23: runtime error: null pointer passed as argument 2, which is declared to never be null
/usr/include/string.h:43:28: note: nonnull attribute specified here
qemu-vu: vu_panic: disconnect
qemu-vu: vu_panic: disconnect
  TEST    check-qtest-x86_64: tests/qtest/ivshmem-test
Aborted (core dumped)
ERROR - too few tests run (expected 85, got 59)
make: *** [/tmp/qemu-test/src/tests/Makefile.include:632: check-qtest-ppc64] Error 1
make: *** Waiting for unfinished jobs....
  TEST    check-qtest-x86_64: tests/qtest/dbus-vmstate-test
  TEST    check-qtest-aarch64: tests/qtest/qom-test
---
  TEST    check-qtest-x86_64: tests/qtest/machine-none-test
  TEST    check-qtest-x86_64: tests/qtest/qmp-test
  TEST    check-qtest-x86_64: tests/qtest/qmp-cmd-test
/tmp/qemu-test/src/util/vhost-user-server.c:102:16: runtime error: null pointer passed as argument 1, which is declared to never be null
/usr/include/string.h:43:28: note: nonnull attribute specified here
/tmp/qemu-test/src/util/vhost-user-server.c:102:28: runtime error: null pointer passed as argument 2, which is declared to never be null
/usr/include/string.h:43:28: note: nonnull attribute specified here
/tmp/qemu-test/src/util/vhost-user-server.c:110:23: runtime error: null pointer passed as argument 2, which is declared to never be null
/usr/include/string.h:43:28: note: nonnull attribute specified here
qemu-vu: vu_panic: disconnect
/tmp/qemu-test/src/util/vhost-user-server.c:102:16: runtime error: null pointer passed as argument 1, which is declared to never be null
/usr/include/string.h:43:28: note: nonnull attribute specified here
/tmp/qemu-test/src/util/vhost-user-server.c:102:28: runtime error: null pointer passed as argument 2, which is declared to never be null
/usr/include/string.h:43:28: note: nonnull attribute specified here
/tmp/qemu-test/src/util/vhost-user-server.c:110:23: runtime error: null pointer passed as argument 2, which is declared to never be null
/usr/include/string.h:43:28: note: nonnull attribute specified here
qemu-vu: vu_panic: disconnect
/tmp/qemu-test/src/util/vhost-user-server.c:102:16: runtime error: null pointer passed as argument 1, which is declared to never be null
/usr/include/string.h:43:28: note: nonnull attribute specified here
/tmp/qemu-test/src/util/vhost-user-server.c:102:28: runtime error: null pointer passed as argument 2, which is declared to never be null
/usr/include/string.h:43:28: note: nonnull attribute specified here
/tmp/qemu-test/src/util/vhost-user-server.c:110:23: runtime error: null pointer passed as argument 2, which is declared to never be null
/usr/include/string.h:43:28: note: nonnull attribute specified here
qemu-vu: vu_panic: disconnect
/tmp/qemu-test/src/util/vhost-user-server.c:102:16: runtime error: null pointer passed as argument 1, which is declared to never be null
/usr/include/string.h:43:28: note: nonnull attribute specified here
/tmp/qemu-test/src/util/vhost-user-server.c:102:28: runtime error: null pointer passed as argument 2, which is declared to never be null
/usr/include/string.h:43:28: note: nonnull attribute specified here
/tmp/qemu-test/src/util/vhost-user-server.c:110:23: runtime error: null pointer passed as argument 2, which is declared to never be null
/usr/include/string.h:43:28: note: nonnull attribute specified here
qemu-vu: vu_panic: disconnect
/tmp/qemu-test/src/util/vhost-user-server.c:102:16: runtime error: null pointer passed as argument 1, which is declared to never be null
/usr/include/string.h:43:28: note: nonnull attribute specified here
/tmp/qemu-test/src/util/vhost-user-server.c:102:28: runtime error: null pointer passed as argument 2, which is declared to never be null
/usr/include/string.h:43:28: note: nonnull attribute specified here
/tmp/qemu-test/src/util/vhost-user-server.c:110:23: runtime error: null pointer passed as argument 2, which is declared to never be null
/usr/include/string.h:43:28: note: nonnull attribute specified here
qemu-vu: vu_panic: disconnect
  TEST    check-qtest-x86_64: tests/qtest/qom-test
  TEST    check-qtest-aarch64: tests/qtest/test-hmp
  TEST    check-qtest-x86_64: tests/qtest/test-hmp
  TEST    check-qtest-x86_64: tests/qtest/qos-test
/tmp/qemu-test/src/util/vhost-user-server.c:102:16: runtime error: null pointer passed as argument 1, which is declared to never be null
/usr/include/string.h:43:28: note: nonnull attribute specified here
/tmp/qemu-test/src/util/vhost-user-server.c:102:28: runtime error: null pointer passed as argument 2, which is declared to never be null
/usr/include/string.h:43:28: note: nonnull attribute specified here
/tmp/qemu-test/src/util/vhost-user-server.c:110:23: runtime error: null pointer passed as argument 2, which is declared to never be null
/usr/include/string.h:43:28: note: nonnull attribute specified here
qemu-vu: vu_panic: disconnect
/tmp/qemu-test/src/util/vhost-user-server.c:102:16: runtime error: null pointer passed as argument 1, which is declared to never be null
/usr/include/string.h:43:28: note: nonnull attribute specified here
/tmp/qemu-test/src/util/vhost-user-server.c:102:28: runtime error: null pointer passed as argument 2, which is declared to never be null
/usr/include/string.h:43:28: note: nonnull attribute specified here
/tmp/qemu-test/src/util/vhost-user-server.c:110:23: runtime error: null pointer passed as argument 2, which is declared to never be null
/usr/include/string.h:43:28: note: nonnull attribute specified here
qemu-vu: vu_panic: disconnect
/tmp/qemu-test/src/util/vhost-user-server.c:102:16: runtime error: null pointer passed as argument 1, which is declared to never be null
/usr/include/string.h:43:28: note: nonnull attribute specified here
/tmp/qemu-test/src/util/vhost-user-server.c:102:28: runtime error: null pointer passed as argument 2, which is declared to never be null
/usr/include/string.h:43:28: note: nonnull attribute specified here
/tmp/qemu-test/src/util/vhost-user-server.c:110:23: runtime error: null pointer passed as argument 2, which is declared to never be null
/usr/include/string.h:43:28: note: nonnull attribute specified here
qemu-vu: vu_panic: disconnect
/tmp/qemu-test/src/util/vhost-user-server.c:102:16: runtime error: null pointer passed as argument 1, which is declared to never be null
/usr/include/string.h:43:28: note: nonnull attribute specified here
/tmp/qemu-test/src/util/vhost-user-server.c:102:28: runtime error: null pointer passed as argument 2, which is declared to never be null
/usr/include/string.h:43:28: note: nonnull attribute specified here
/tmp/qemu-test/src/util/vhost-user-server.c:110:23: runtime error: null pointer passed as argument 2, which is declared to never be null
/usr/include/string.h:43:28: note: nonnull attribute specified here
qemu-vu: vu_panic: disconnect
/tmp/qemu-test/src/util/vhost-user-server.c:102:16: runtime error: null pointer passed as argument 1, which is declared to never be null
/usr/include/string.h:43:28: note: nonnull attribute specified here
/tmp/qemu-test/src/util/vhost-user-server.c:102:28: runtime error: null pointer passed as argument 2, which is declared to never be null
/usr/include/string.h:43:28: note: nonnull attribute specified here
/tmp/qemu-test/src/util/vhost-user-server.c:110:23: runtime error: null pointer passed as argument 2, which is declared to never be null
/usr/include/string.h:43:28: note: nonnull attribute specified here
qemu-vu: vu_panic: disconnect
  TEST    check-qtest-aarch64: tests/qtest/qos-test
---
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['sudo', '-n', 'docker', 'run', '--label', 'com.qemu.instance.uuid=3a5f868350d645a1a62abc6fead5818e', '-u', '1001', '--security-opt', 'seccomp=unconfined', '--rm', '-e', 'TARGET_LIST=', '-e', 'EXTRA_CONFIGURE_OPTS=', '-e', 'V=', '-e', 'J=14', '-e', 'DEBUG=', '-e', 'SHOW_ENV=1', '-e', 'CCACHE_DIR=/var/tmp/ccache', '-v', '/home/patchew/.cache/qemu-docker-ccache:/var/tmp/ccache:z', '-v', '/var/tmp/patchew-tester-tmp-sffs5eec/src/docker-src.2020-03-09-06.30.05.21992:/var/tmp/qemu:z,ro', 'qemu:ubuntu', '/var/tmp/qemu/run', 'test-clang']' returned non-zero exit status 2.
filter=--filter=label=com.qemu.instance.uuid=3a5f868350d645a1a62abc6fead5818e
make[1]: *** [docker-run] Error 1
make[1]: Leaving directory `/var/tmp/patchew-tester-tmp-sffs5eec/src'
make: *** [docker-run-test-clang@ubuntu] Error 2

real    18m57.807s
user    0m10.453s


The full log is available at
http://patchew.org/logs/20200309100342.14921-1-coiby.xu@gmail.com/testing.docker-clang@ubuntu/?type=message.
---
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Please send your feedback to patchew-devel@redhat.com
Re: [PATCH v5 0/5] vhost-user block device backend implementation
Posted by Stefan Hajnoczi 5 years, 5 months ago 
On Mon, Mar 09, 2020 at 06:03:37PM +0800, Coiby Xu wrote:
> v5:
>  * re-use vu_kick_cb in libvhost-user
>  * keeping processing VhostUserMsg in the same coroutine until there is
>    detachment/attachment of AIOContext
>  * Spawn separate coroutine for each VuVirtqElement
>  * Other changes including relocating vhost-user-blk-server.c, coding
>    style etc.

Hi Coiby,
Sorry I haven't fully reviewed this series yet. Do you have a new
revision that I should review instead?

Thanks,
Stefan

Patchew 2.1-devel-b67e4c2

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