On Thu, 21 Apr 2005, David Xu wrote: > Sam Lawrance wrote: > > >Will this problem: > > > >Swapped out procs not brought in immediately after child exits > >http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/78474 > > > >be dealt with for the release of 5.4? > > > >Perhaps I'm the only FreeBSD user with swapped out processes ;-) > > > >-Sam > > > > > > > > > > I have noticed that current spinlock implementation no longer means that > CPU must be in critical region (critical_enter is called), even previous > hack TDP_WAKEPROC0 is no longer correct, :(, I think it is the time to > disable swapout. I'm sorry, I can't parse your double negative. On -CURRENT critical sections (entered with critical_enter()) no longer disable interrupts, but do inhibit preemption. But spinlocks still do critical_enter() (see spinlock_enter()). -- Doug White | FreeBSD: The Power to Serve dwhite_at_gumbysoft.com | www.FreeBSD.orgReceived on Sat Apr 23 2005 - 01:03:02 UTC
This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:38:32 UTC