summaryrefslogtreecommitdiff
path: root/arch/x86/include/asm/setup.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/include/asm/setup.h')
-rw-r--r--arch/x86/include/asm/setup.h12
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index ed8ec011a9fd..84b645cc8bc9 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -75,7 +75,17 @@ extern char _text[];
static inline bool kaslr_enabled(void)
{
- return !!(boot_params.hdr.loadflags & KASLR_FLAG);
+ return IS_ENABLED(CONFIG_RANDOMIZE_MEMORY) &&
+ !!(boot_params.hdr.loadflags & KASLR_FLAG);
+}
+
+/*
+ * Apply no randomization if KASLR was disabled at boot or if KASAN
+ * is enabled. KASAN shadow mappings rely on regions being PGD aligned.
+ */
+static inline bool kaslr_memory_enabled(void)
+{
+ return kaslr_enabled() && !IS_ENABLED(CONFIG_KASAN);
}
static inline unsigned long kaslr_offset(void)