From d974ffcfb7447db5f29a4b662a3eaf99a4e1109e Mon Sep 17 00:00:00 2001 From: Andy Lutomirski Date: Wed, 26 Jun 2019 21:45:02 -0700 Subject: [PATCH] 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 Signed-off-by: Thomas Gleixner Acked-by: Kees Cook Cc: Florian Weimer Cc: Jann Horn Cc: stable@vger.kernel.org Cc: Borislav Petkov Cc: Kernel Hardening Cc: Peter Zijlstra 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 138f666..0082d1e 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. -- 2.7.4