linux-kernel - [tip:x86/entry] Documentation/admin: Remove the vsyscall=native documentation

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Message-ID: <tip-d974ffcfb7447db5f29a4b662a3eaf99a4e1109e@git.kernel.org>
Date:   Thu, 27 Jun 2019 15:13:09 -0700
From:   tip-bot for Andy Lutomirski <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     bp@...en8.de, fweimer@...hat.com, jannh@...gle.com, hpa@...or.com,
        kernel-hardening@...ts.openwall.com, mingo@...nel.org,
        luto@...nel.org, tglx@...utronix.de, keescook@...omium.org,
        linux-kernel@...r.kernel.org, peterz@...radead.org
Subject: [tip:x86/entry] Documentation/admin: Remove the vsyscall=native
 documentation

Commit-ID:  d974ffcfb7447db5f29a4b662a3eaf99a4e1109e
Gitweb:     https://git.kernel.org/tip/d974ffcfb7447db5f29a4b662a3eaf99a4e1109e
Author:     Andy Lutomirski <luto@...nel.org>
AuthorDate: Wed, 26 Jun 2019 21:45:02 -0700
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Fri, 28 Jun 2019 00:04:38 +0200

Documentation/admin: Remove the vsyscall=native documentation

The vsyscall=native feature is gone -- remove the docs.

Fixes: 076ca272a14c ("x86/vsyscall/64: Drop "native" vsyscalls")
Signed-off-by: Andy Lutomirski <luto@...nel.org>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Acked-by: Kees Cook <keescook@...omium.org>
Cc: Florian Weimer <fweimer@...hat.com>
Cc: Jann Horn <jannh@...gle.com>
Cc: stable@...r.kernel.org
Cc: Borislav Petkov <bp@...en8.de>
Cc: Kernel Hardening <kernel-hardening@...ts.openwall.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Link: https://lkml.kernel.org/r/d77c7105eb4c57c1a95a95b6a5b8ba194a18e764.1561610354.git.luto@kernel.org

---
 Documentation/admin-guide/kernel-parameters.txt | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 138f6664b2e2..0082d1e56999 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -5102,12 +5102,6 @@
 			emulate     [default] Vsyscalls turn into traps and are
 			            emulated reasonably safely.
 
-			native      Vsyscalls are native syscall instructions.
-			            This is a little bit faster than trapping
-			            and makes a few dynamic recompilers work
-			            better than they would in emulation mode.
-			            It also makes exploits much easier to write.
-
 			none        Vsyscalls don't work at all.  This makes
 			            them quite hard to use for exploits but
 			            might break your system.