[Qemu-devel] Re: [PATCH 0/8] Fix various IO-thread breakages

[Marcelo Tosatti]

On Fri, Jun 25, 2010 at 04:56:48PM +0200, Jan Kiszka wrote:
> This series unbreaks -smp >1 and guest debugging in CONFIG_IOTHREAD
> mode. I still find the SMP scheduling in cpu_exec_all suboptimal, but
> at least it works now.
> 
> Dependencies are:
> http://thread.gmane.org/gmane.comp.emulators.kvm.devel/52718 (kvm queue)
> http://thread.gmane.org/gmane.comp.emulators.qemu/75087
> 
> The full series can be found at
> 
>       git://git.kiszka.org/qemu.git queues/iothread
> 
> Jan Kiszka (8):
>   Introduce proper compiler barrier
>   Fix cpu_unlink_tb race
>   Init qemu_system_cond
>   Fix cpu_exit for tcp_cpu_exec
>   Fix qemu_wait_io_event processing in io-thread mode
>   Drop redundant global cur_cpu variable
>   Rename tcg_cpu_exec and tcg_has_work
>   Rework debug exception processing for gdb use
> 
>  cpu-exec.c     |   15 +++++++------
>  cpus.c         |   58 +++++++++++++++++++++++++++++++++----------------------
>  cpus.h         |    2 +-
>  kvm-all.c      |    2 -
>  qemu-barrier.h |    3 ++
>  vl.c           |    2 +-
>  6 files changed, 48 insertions(+), 34 deletions(-)

Reviewed-by: Marcelo Tosatti <address@hidden>

I'll be sending the uq/master queue shortly (but this can go in
separately).