Re: [PATCH-for-4.14] ioreq: handle pending emulation racing with ioreq server destruction

[Jan Beulich <jbeulich@xxxxxxxx>]

On 08.06.2020 13:21, Paul Durrant wrote:
>> From: Jan Beulich <jbeulich@xxxxxxxx>
>> Sent: 08 June 2020 12:10
>>
>> As said in the other thread, I think the change here will mask
>> a problem elsewhere (presumably in qemu). I'm therefore unsure whether
>> we want to apply it right away, rather than first understanding the
>> root cause of Marek's specific problem.
>>
> 
> I think it ought to be applied right away since an emulator could die at any 
> time and we don't really want the vcpu constantly bouncing in this case. 
> Also, thinking of using emulators other than qemu, it's not necessarily a bug 
> if they deregister at an arbitrary time...

Oh, sure, I fully agree we need the change regardless of the possible
qemu misbehavior. But if we commit this change right away, will there
be anyone still caring about / looking into the qemu side issue?

Jan