diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/kernel-parameters.txt | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index e2072d12693b..6ae512fb4488 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -2470,6 +2470,25 @@ bytes respectively. Such letter suffixes can also be entirely omitted. noexec=on: enable non-executable mappings (default) noexec=off: disable non-executable mappings + noexec [MIPS] + Force indicating stack and heap as non-executable or + executable regardless of PT_GNU_STACK entry or CPU XI + (execute inhibit) support. Valid valuess are: on, off. + noexec=on: force indicating non-executable + stack and heap + noexec=off: force indicating executable + stack and heap + If this parameter is omitted, stack and heap will be + indicated non-executable or executable as they are + actually set up, which depends on PT_GNU_STACK entry + and possibly other factors (for instance, CPU XI + support). + NOTE: Using noexec=on on a system without CPU XI + support is not recommended since there is no actual + HW support that provide non-executable stack/heap. + Use only for debugging purposes and not in a + production environment. + nosmap [X86] Disable SMAP (Supervisor Mode Access Prevention) even if it is supported by processor. |