A: http://en.wikipedia.org/wiki/Top_post Q: Were do I find info about this thing called top-posting? A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail? A: No. Q: Should I include quotations after my reply? http://daringfireball.net/2007/07/on_top On Wed, May 11, 2022 at 04:51:11PM +0800, zhanghongtao (A) wrote: > Thanks for your reply. > I looked through the historical emails and thought I was not the > same problem as his. > After the driver is switched, the application can still operate > on the mapped address, which causes the system to crash. > The application is not aware of the driver's switchover. > The solution I can think of is to block the switch and wait for > the application to release before switching, as shown in the patch. > So want to seek help from the community, how to solve it better? > Is there a better way? A better way to do what? I have no context here at all, sorry. What is "switching" the driver? If it is root by doing a bind/unbind, then you are on your own and have to do that very carefully, right? thanks, greg k-h
