[tip:x86/vdso] x86-64: Fix outdated comments in vsyscall_64.c

[tip-bot for Andy Lutomirski <luto@mit.edu>]

Commit-ID:  8d6316596441de42e3f30c8e536579f6292b46a0
Gitweb:     http://git.kernel.org/tip/8d6316596441de42e3f30c8e536579f6292b46a0
Author:     Andy Lutomirski <luto@MIT.EDU>
AuthorDate: Mon, 6 Jun 2011 13:27:23 -0400
Committer:  Ingo Molnar <mingo@elte.hu>
CommitDate: Mon, 6 Jun 2011 19:47:20 +0200

x86-64: Fix outdated comments in vsyscall_64.c

Signed-off-by: Andy Lutomirski <luto@mit.edu>
Cc: pageexec@freemail.hu
Cc: Mikael Pettersson <mikpe@it.uu.se>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/ab1699caaea6c7863fb74abc2f5718353680070c.1307380481.git.luto@mit.edu
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 arch/x86/kernel/vsyscall_64.c |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c
index 27d49b7..0b50b3c 100644
--- a/arch/x86/kernel/vsyscall_64.c
+++ b/arch/x86/kernel/vsyscall_64.c
@@ -11,10 +11,11 @@
  *  vsyscalls. One vsyscall can reserve more than 1 slot to avoid
  *  jumping out of line if necessary. We cannot add more with this
  *  mechanism because older kernels won't return -ENOSYS.
- *  If we want more than four we need a vDSO.
  *
- *  Note: the concept clashes with user mode linux. If you use UML and
- *  want per guest time just set the kernel.vsyscall64 sysctl to 0.
+ *  This mechanism is deprecated in favor of the vDSO.
+ *
+ *  Note: the concept clashes with user mode linux.  UML users should
+ *  use the vDSO.
  */
 
 /* Disable profiling for userspace code: */