On 2012-10-22 12:31, Avi Kivity wrote:
> On 10/22/2012 11:23 AM, Liu Ping Fan wrote:
>> Signed-off-by: Liu Ping Fan <pingf...@linux.vnet.ibm.com>
>> ---
>> kvm-all.c | 3 +++
>> 1 files changed, 3 insertions(+), 0 deletions(-)
>>
>> diff --git a/kvm-all.c b/kvm-all.c
>> index b3fa597..3d7ae18 100644
>> --- a/kvm-all.c
>> +++ b/kvm-all.c
>> @@ -1562,12 +1562,15 @@ int kvm_cpu_exec(CPUArchState *env)
>> break;
>> case KVM_EXIT_MMIO:
>> DPRINTF("handle_mmio\n");
>> + qemu_mutex_unlock_iothread();
>> set_context_type(1);
>> cpu_physical_memory_rw(run->mmio.phys_addr,
>> run->mmio.data,
>> run->mmio.len,
>> run->mmio.is_write);
>> set_context_type(0);
>> + qemu_mutex_lock_iothread();
>> +
>> ret = 0;
>> break;
>> case KVM_EXIT_IRQ_WINDOW_OPEN:
>>
>
> This is fine for now, but of course later we'll have to remove the lock
> completely and apply it for the other exits (and other processing, when
> needed).
I think we can do this already, I posted a patch some time ago.
Jan
--
Siemens AG, Corporate Technology, CT RTC ITP SDP-DE
Corporate Competence Center Embedded Linux
