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From: Dmitry Chagin <dchagin@FreeBSD.org>
Date: Wed, 2 Mar 2011 20:08:52 +0000 (UTC)
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Subject: svn commit: r219205 - stable/8/sys/compat/linux
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Author: dchagin
Date: Wed Mar  2 20:08:52 2011
New Revision: 219205
URL: http://svn.freebsd.org/changeset/base/219205

Log:
  MFC r218879:
  Do not clobber %rdx.
  Before calling vfork() syscall the linux user-space stores the current PID
  in the %rdx and restore it when the parent process leaves the kernel.

Modified:
  stable/8/sys/compat/linux/linux_fork.c
Directory Properties:
  stable/8/sys/   (props changed)
  stable/8/sys/amd64/include/xen/   (props changed)
  stable/8/sys/cddl/contrib/opensolaris/   (props changed)
  stable/8/sys/contrib/dev/acpica/   (props changed)
  stable/8/sys/contrib/pf/   (props changed)

Modified: stable/8/sys/compat/linux/linux_fork.c
==============================================================================
--- stable/8/sys/compat/linux/linux_fork.c	Wed Mar  2 20:04:54 2011	(r219204)
+++ stable/8/sys/compat/linux/linux_fork.c	Wed Mar  2 20:08:52 2011	(r219205)
@@ -104,7 +104,6 @@ linux_vfork(struct thread *td, struct li
 		return (error);
 
    	td->td_retval[0] = p2->p_pid;
-	td->td_retval[1] = 0;
 
 	error = linux_proc_init(td, td->td_retval[0], 0);
 	if (error)