Hello, On Sun, Dec 11, 2016 at 03:44:36AM +0200, Vladimir Zapolskiy wrote: > On 12/10/2016 03:04 PM, Greg Kroah-Hartman wrote: > > Hm, how does this not also get hit if you unbind/bind/unbind/bind/etc. > > from userspace as well? I don't think this is a > > CONFIG_DEBUG_TEST_DRIVER_REMOVE issue, but just that this option finds > > the problem corner cases as you are finding out :) > > > > and you are right, I managed to reproduce exactly the same race as before > running the unmodified kernel built from Torvald's branch head:
Ah, you're right, so this means we need to add flush to all async probing drivers. Will do so for libata shortly. Thanks! -- tejun
