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authorKees Cook <keescook@chromium.org>2014-06-13 13:30:36 -0700
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-06-16 23:30:44 +0200
commit24f2e0273f80ec262a772059e140a0adef35296d (patch)
treeabc4fadb0de6845ed9c4b88918f14b54e5d213c5 /kernel
parenta6e15a39048ec3229b9a53425f4384f55f6cc1b3 (diff)
x86, kaslr: boot-time selectable with hibernation
Changes kASLR from being compile-time selectable (blocked by CONFIG_HIBERNATION), to being boot-time selectable (with hibernation available by default) via the "kaslr" kernel command line. Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/power/hibernate.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
index 258f492f034..fcc2611d3f1 100644
--- a/kernel/power/hibernate.c
+++ b/kernel/power/hibernate.c
@@ -1153,6 +1153,11 @@ static int __init nohibernate_setup(char *str)
return 1;
}
+static int __init kaslr_nohibernate_setup(char *str)
+{
+ return nohibernate_setup(str);
+}
+
__setup("noresume", noresume_setup);
__setup("resume_offset=", resume_offset_setup);
__setup("resume=", resume_setup);
@@ -1160,3 +1165,4 @@ __setup("hibernate=", hibernate_setup);
__setup("resumewait", resumewait_setup);
__setup("resumedelay=", resumedelay_setup);
__setup("nohibernate", nohibernate_setup);
+__setup("kaslr", kaslr_nohibernate_setup);