linux-kernel - [PATCH] x86/vsyscall: Fix documentation to reflect the default mode

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Message-Id: <20230111193211.1987047-1-sohil.mehta@intel.com>
Date:   Wed, 11 Jan 2023 19:32:11 +0000
From:   Sohil Mehta <sohil.mehta@...el.com>
To:     Jonathan Corbet <corbet@....net>, linux-doc@...r.kernel.org
Cc:     Sohil Mehta <sohil.mehta@...el.com>,
        Andy Lutomirski <luto@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Kees Cook <keescook@...omium.org>,
        Tony Luck <tony.luck@...el.com>,
        Ravi V Shankar <ravi.v.shankar@...el.com>,
        linux-kernel@...r.kernel.org, x86@...nel.org
Subject: [PATCH] x86/vsyscall: Fix documentation to reflect the default mode

The default vsyscall mode has been updated from emulate to xonly for a
while. Update the kernel-parameters doc to reflect that.

Fixes: 625b7b7f79c6 ("x86/vsyscall: Change the default vsyscall mode to xonly")
Cc: Andy Lutomirski <luto@...nel.org>
Signed-off-by: Sohil Mehta <sohil.mehta@...el.com>
Reviewed-by: Tony Luck <tony.luck@...el.com>
---
Do documentation fixes typically get backported to stable? I haven't included
a stable cc assuming they do not.

 Documentation/admin-guide/kernel-parameters.txt | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 6cfa6e3996cf..87f0b645922c 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -6756,11 +6756,11 @@
 			functions are at fixed addresses, they make nice
 			targets for exploits that can control RIP.
 
-			emulate     [default] Vsyscalls turn into traps and are
-			            emulated reasonably safely.  The vsyscall
-				    page is readable.
+			emulate     Vsyscalls turn into traps and are emulated
+			            reasonably safely.  The vsyscall page is
+				    readable.
 
-			xonly       Vsyscalls turn into traps and are
+			xonly       [default] Vsyscalls turn into traps and are
 			            emulated reasonably safely.  The vsyscall
 				    page is not readable.
 
-- 
2.34.1