[libvirt] PATCH: 14/25: Xen thread safety

Jim Meyering jim at meyering.net
Mon Jan 19 17:56:12 UTC 2009


"Daniel P. Berrange" <berrange at redhat.com> wrote:
> This patch makes the various Xen drivers threadsafe by adding a
> mutex lock on the xenUnifiedPrivatePtr object. The XenD driver
> does not really need much locking, since it usually just calls
> out to XenD. Likewise the Xen driver just makes hypercalls. Locks
> are needed for libxenstore access, and the xm/inotify drivers
> since they have shared state
>
>  src/proxy_internal.c  |  173 ++++++++++++++++-----------------
>  src/xen_inotify.c     |   25 +++-
>  src/xen_internal.c    |   29 +++--
>  src/xen_unified.c     |  176 +++++++++++++++++++++-------------
>  src/xen_unified.h     |   36 +++++--
>  src/xend_internal.c   |   37 ++++++-
>  src/xm_internal.c     |  256 +++++++++++++++++++++++++++++++++-----------------
>  src/xs_internal.c     |  130 +++++++++++++++++++------
>  src/xs_internal.h     |    7 -
>  tests/sexpr2xmltest.c |   19 +++
>  10 files changed, 575 insertions(+), 313 deletions(-)

Looks A-ok to me (yes, it was tedious).
ACK.

For future reference, it'd be nice to separate the largely mechanical
things like s/fprintf/VIR_*/ and s/staticVar/priv->staticVar/
from the more, um, let's say "interesting" changes that make you
wish for a good, domain-specific static analyzer.




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