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| author | Sohil Mehta <sohil.mehta@intel.com> | 2023-01-11 19:32:11 +0000 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2023-01-19 14:46:50 -0700 |
| commit | 17f0669cfff88519fc05e32f78e8f5064c72727d (patch) | |
| tree | c399972a0ff0befb8156bf96b40980255b209abd | |
| parent | cac02cbb91f31e28a503aaf2eff340b62f5bdd11 (diff) | |
| download | linux-17f0669cfff88519fc05e32f78e8f5064c72727d.tar.gz linux-17f0669cfff88519fc05e32f78e8f5064c72727d.zip | |
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@kernel.org>
Signed-off-by: Sohil Mehta <sohil.mehta@intel.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20230111193211.1987047-1-sohil.mehta@intel.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
| -rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 80b14760314c..348f7d5a7842 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -6766,11 +6766,11 @@ 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. |