Re: [PATCH 1/2] vhost-user: add a write-read lock

[Peter Xu]

On Mon, Jul 15, 2024 at 01:44:00PM +0530, Prasad Pandit wrote:
> On Thu, 11 Jul 2024 at 21:12, Peter Xu <peterx@redhat.com> wrote:
> > I apologize if I suggested WITH_QEMU_LOCK_GUARD when we talked.. I don't
> > remember which one I suggested, but in this case IIUC it'll be much easier
> > to review if you use the other sister function QEMU_LOCK_GUARD()
> > instead.. That should make the diff much, much less.
> 
> * Yes, QEMU_LOCK_GUARD simplifies the diff, but it may extend the time
> for which lock is held, delaying other threads, is that okay?

I think it shouldn't be a major deal in most cases, if the extended cycles
only cover a bunch of instructions. In special case we can still use
WITH_QEMU_LOCK_GUARD, but I'd start with the simple first and only switch
if necessary.

Thanks,

-- 
Peter Xu