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author | Andy Lutomirski <luto@kernel.org> | 2019-06-26 21:45:02 -0700 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-07-14 08:11:18 +0200 |
commit | a2a24b57c27ab039122d447940be7d346f9bbdaf (patch) | |
tree | b9724e301d8c069c8e3ac2a18a02620d4755353b | |
parent | 8a815007f5fe292fa8ef082663e1259b9ae0571b (diff) | |
download | linux-stable-a2a24b57c27ab039122d447940be7d346f9bbdaf.tar.gz |
Documentation/admin: Remove the vsyscall=native documentation
commit d974ffcfb7447db5f29a4b662a3eaf99a4e1109e upstream.
The vsyscall=native feature is gone -- remove the docs.
Fixes: 076ca272a14c ("x86/vsyscall/64: Drop "native" vsyscalls")
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Kees Cook <keescook@chromium.org>
Cc: Florian Weimer <fweimer@redhat.com>
Cc: Jann Horn <jannh@google.com>
Cc: stable@vger.kernel.org
Cc: Borislav Petkov <bp@alien8.de>
Cc: Kernel Hardening <kernel-hardening@lists.openwall.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lkml.kernel.org/r/d77c7105eb4c57c1a95a95b6a5b8ba194a18e764.1561610354.git.luto@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index a29301d6e6c607..1cee1174cde6e5 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -4976,12 +4976,6 @@ 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. |