On Sun, Sep 10, 2006 at 11:12:49AM -0700, Pete Zaitcev wrote: > On Sat, 09 Sep 2006 22:42:10 -0600, [EMAIL PROTECTED] (Eric W. Biederman) > wrote: > > > The problem by remember a user space process by it's pid it is > > possible that the process will exit, pid wrap around will occur and a > > different process will appear in it's place. > > ... which is completely all right in this case. We used to have an > implementation which tried to hold onto the task_struct and that sucked. > It is only possible for the task to disappear without notifying devio > under very special conditions only, which involve forking with parent > exiting. In other words, even a buggy application won't trigger this > without deliberately trying. And when it happens, uid checks make sure > that other users are not affected. > > > Holding a reference > > to a struct pid avoid that problem, and paves the way > > for implementing a pid namespace. > > That may be useful. > > The patch itself seems straightforward if we can trust your struct > pid thingies. If OpenVZ people approve, I don't mind.
perfectly fine from my side best, Herbert > -- Pete > _______________________________________________ > Containers mailing list > [EMAIL PROTECTED] > https://lists.osdl.org/mailman/listinfo/containers ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
