From: Andy Lutomirski <luto@MIT.EDU>
To: x86@kernel.org, Ingo Molnar <mingo@elte.hu>
Cc: pageexec@freemail.hu, Mikael Pettersson <mikpe@it.uu.se>,
        "H. Peter Anvin" <hpa@zytor.com>, linux-kernel@vger.kernel.org,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Andy Lutomirski <luto@MIT.EDU>
Subject: [PATCH 1/3] x86-64: Fix outdated comments in vsyscall_64.c
Date: Mon,  6 Jun 2011 13:27:23 -0400
Message-Id: <ab1699caaea6c7863fb74abc2f5718353680070c.1307380481.git.luto@mit.edu>
In-Reply-To: <cover.1307380481.git.luto@mit.edu>
References: <cover.1307380481.git.luto@mit.edu>
In-Reply-To: <cover.1307380481.git.luto@mit.edu>
References: <cover.1307380481.git.luto@mit.edu>
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 1190
Lines: 32

Signed-off-by: Andy Lutomirski <luto@mit.edu>
---
 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: */
-- 
1.7.5.2

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