[libvirt] [PATCH 0/8] Memory locking fixes

[Luiz Capitulino]

On Thu, 23 Mar 2017 19:16:39 +0100
Andrea Bolognani <abologna at redhat.com> wrote:

> A problem reported recently to the mailing list[1] uncovered
> some flaws in the way we deal with setting the memory locking
> limit for QEMU guests.
> 
> This series solves those issues and adds test suite coverage
> to hopefully prevent more bugs from popping up in the future.

Tested-by: Luiz Capitulino <lcapitulino at redhat.com>

> 
> 
> [1] https://www.redhat.com/archives/libvir-list/2017-March/msg00534.html
> 
> Andrea Bolognani (8):
>   Revert "qemu: Forbid <memoryBacking><locked> without
>     <memtune><hard_limit>"
>   qemu: Remove qemuDomainRequiresMemLock()
>   qemu: Fix memory locking limit calculation
>   process: Translate "unlimited" correctly
>   command: Introduce virCommandGetMaxMemLock()
>   tests: Introduce virTestCompareToULL()
>   tests: Introduce QEMU memory locking limit tests
>   docs: Improve documentation related to memory locking
> 
>  docs/formatdomain.html.in                          |  36 +++--
>  src/libvirt_private.syms                           |   1 +
>  src/qemu/qemu_command.c                            |   4 +-
>  src/qemu/qemu_domain.c                             |  75 ++++-----
>  src/qemu/qemu_domain.h                             |   1 -
>  src/util/vircommand.c                              |   9 ++
>  src/util/vircommand.h                              |   2 +
>  src/util/virprocess.c                              |  20 ++-
>  tests/Makefile.am                                  |   9 ++
>  .../qemumemlock-pc-hardlimit+hostdev.xml           |  20 +++
>  .../qemumemlock-pc-hardlimit+locked+hostdev.xml    |  23 +++
>  .../qemumemlock-pc-hardlimit+locked.xml            |  17 ++
>  tests/qemumemlockdata/qemumemlock-pc-hardlimit.xml |  14 ++
>  tests/qemumemlockdata/qemumemlock-pc-hostdev.xml   |  17 ++
>  tests/qemumemlockdata/qemumemlock-pc-kvm.xml       |  11 ++
>  .../qemumemlock-pc-locked+hostdev.xml              |  20 +++
>  tests/qemumemlockdata/qemumemlock-pc-locked.xml    |  14 ++
>  tests/qemumemlockdata/qemumemlock-pc-tcg.xml       |  11 ++
>  .../qemumemlock-pseries-hardlimit+hostdev.xml      |  20 +++
>  ...emumemlock-pseries-hardlimit+locked+hostdev.xml |  23 +++
>  .../qemumemlock-pseries-hardlimit+locked.xml       |  17 ++
>  .../qemumemlock-pseries-hardlimit.xml              |  14 ++
>  .../qemumemlock-pseries-hostdev.xml                |  17 ++
>  tests/qemumemlockdata/qemumemlock-pseries-kvm.xml  |  11 ++
>  .../qemumemlock-pseries-locked+hostdev.xml         |  20 +++
>  .../qemumemlockdata/qemumemlock-pseries-locked.xml |  14 ++
>  tests/qemumemlockdata/qemumemlock-pseries-tcg.xml  |  11 ++
>  tests/qemumemlocktest.c                            | 172 +++++++++++++++++++++
>  tests/qemuxml2argvdata/qemuxml2argv-mlock-on.xml   |   3 -
>  tests/testutils.c                                  |  27 ++++
>  tests/testutils.h                                  |   2 +
>  31 files changed, 583 insertions(+), 72 deletions(-)
>  create mode 100644 tests/qemumemlockdata/qemumemlock-pc-hardlimit+hostdev.xml
>  create mode 100644 tests/qemumemlockdata/qemumemlock-pc-hardlimit+locked+hostdev.xml
>  create mode 100644 tests/qemumemlockdata/qemumemlock-pc-hardlimit+locked.xml
>  create mode 100644 tests/qemumemlockdata/qemumemlock-pc-hardlimit.xml
>  create mode 100644 tests/qemumemlockdata/qemumemlock-pc-hostdev.xml
>  create mode 100644 tests/qemumemlockdata/qemumemlock-pc-kvm.xml
>  create mode 100644 tests/qemumemlockdata/qemumemlock-pc-locked+hostdev.xml
>  create mode 100644 tests/qemumemlockdata/qemumemlock-pc-locked.xml
>  create mode 100644 tests/qemumemlockdata/qemumemlock-pc-tcg.xml
>  create mode 100644 tests/qemumemlockdata/qemumemlock-pseries-hardlimit+hostdev.xml
>  create mode 100644 tests/qemumemlockdata/qemumemlock-pseries-hardlimit+locked+hostdev.xml
>  create mode 100644 tests/qemumemlockdata/qemumemlock-pseries-hardlimit+locked.xml
>  create mode 100644 tests/qemumemlockdata/qemumemlock-pseries-hardlimit.xml
>  create mode 100644 tests/qemumemlockdata/qemumemlock-pseries-hostdev.xml
>  create mode 100644 tests/qemumemlockdata/qemumemlock-pseries-kvm.xml
>  create mode 100644 tests/qemumemlockdata/qemumemlock-pseries-locked+hostdev.xml
>  create mode 100644 tests/qemumemlockdata/qemumemlock-pseries-locked.xml
>  create mode 100644 tests/qemumemlockdata/qemumemlock-pseries-tcg.xml
>  create mode 100644 tests/qemumemlocktest.c
>