On Wed, 29 Mar 2023 21:48:55 +0200 Wolfram Sang wrote: > > Hm, so you opted to not add the flag in the core? > > To keep the backport small? I think we should just add it.. > > Clearly multiple drivers would benefit and it's not a huge change. > > I did it this way for two reasons. First, yes, this is a minimal patch > for backporting. No dependency on core changes, very easy. Second, this > is a solution I could develop quickly. I am interested in finding > another solution, but I guess it needs more time, especially as it > probably touches 15 drivers. I created an action item for it. I hope > I'll be able to work on it somewhen. But for now, I just need the SMSC > bug fixed and need to move to the next issue. If we later have the > generic solution, converting this driver also won't make a lot of a > difference. Okay, core changes aside - does pm_runtime_put() imply an RCU sync? Otherwise your check in get_stats is racy...
