Re: [Qemu-devel] [PATCH 0/3] rcu: missing thread registration

[Fam Zheng <famz@redhat.com>]

On Mon, 07/13 13:31, Paolo Bonzini wrote:
> Patch 2 fixes the problem, whereby threads were not being registered
> but still happily used RCU.  Patch 1 simplifies the registration by
> making rcu_unregister_thread automatic.  Patch 3 avoids having the
> same bug in the future.

Reviewed-by: Fam Zheng <famz@redhat.com>

> 
> Paolo
> 
> Paolo Bonzini (3):
>   rcu: automatically unregister threads when they exit
>   rcu: actually register threads that have RCU read-side critical
>     sections
>   rcu: detect missing rcu_register_thread()
> 
>  cpus.c                |  6 ++++++
>  include/qemu/rcu.h    |  4 +++-
>  iothread.c            |  3 +++
>  migration/migration.c |  3 +++
>  tests/rcutorture.c    | 10 ----------
>  tests/test-rcu-list.c |  2 ++
>  util/rcu.c            | 30 ++++++++++++++++++++++++++++--
>  7 files changed, 45 insertions(+), 13 deletions(-)
> 
> -- 
> 2.4.3
> 
>