On 04-Jul-2002 David Xu wrote: > while we are getting rid of Giant, current race condition between softclock() > and callout_stop() is unacceptable. the race causes two many places in source > code would be modified to fit this new behaviour, besides this, everywhere > callout_stop() is used need to hold sched_lock and do a mi_switch() and > modify td_flags is also unacceptable, this SMP race should be resolved in > kern_timeout.c.
How would you resolve it while still preserving the existing semantics? Saying "this race should be resolved" doesn't explain how you would go about resolving it. It's a lot harder than it looks. -- John Baldwin <[EMAIL PROTECTED]> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-current" in the body of the message