The following reply was made to PR kern/180788; it has been noted by GNATS.
From: dfil...@freebsd.org (dfilter service) To: bug-follo...@freebsd.org Cc: Subject: Re: kern/180788: commit references a PR Date: Wed, 7 Aug 2013 10:08:02 +0000 (UTC) Author: kib Date: Wed Aug 7 10:07:55 2013 New Revision: 254054 URL: http://svnweb.freebsd.org/changeset/base/254054 Log: Revert the MFC of the r244237, done as r244806. There are indeed bugs in XEN pmap. The revert hides a panic with the cost of non-working vfork(2), which means more obscure misbehaviour in the usermode. Revert is only done on the stable branch to maintain the consistent erratic behaviour. PR: kern/180788 Approved by: re (marius) Modified: releng/9.2/sys/kern/kern_fork.c Directory Properties: releng/9.2/sys/ (props changed) Modified: releng/9.2/sys/kern/kern_fork.c ============================================================================== --- releng/9.2/sys/kern/kern_fork.c Wed Aug 7 09:18:21 2013 (r254053) +++ releng/9.2/sys/kern/kern_fork.c Wed Aug 7 10:07:55 2013 (r254054) @@ -150,7 +150,11 @@ sys_vfork(struct thread *td, struct vfor int error, flags; struct proc *p2; +#ifdef XEN + flags = RFFDG | RFPROC; /* validate that this is still an issue */ +#else flags = RFFDG | RFPROC | RFPPWAIT | RFMEM; +#endif error = fork1(td, flags, 0, &p2, NULL, 0); if (error == 0) { td->td_retval[0] = p2->p_pid; _______________________________________________ svn-src-...@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org" _______________________________________________ freebsd-xen@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-xen To unsubscribe, send any mail to "freebsd-xen-unsubscr...@freebsd.org"
