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-rw-r--r--arch/powerpc/include/asm/security_features.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/security_features.h b/arch/powerpc/include/asm/security_features.h
index fa4d2e1cf772..44989b22383c 100644
--- a/arch/powerpc/include/asm/security_features.h
+++ b/arch/powerpc/include/asm/security_features.h
@@ -12,6 +12,17 @@
extern unsigned long powerpc_security_features;
extern bool rfi_flush;
+/* These are bit flags */
+enum stf_barrier_type {
+ STF_BARRIER_NONE = 0x1,
+ STF_BARRIER_FALLBACK = 0x2,
+ STF_BARRIER_EIEIO = 0x4,
+ STF_BARRIER_SYNC_ORI = 0x8,
+};
+
+void setup_stf_barrier(void);
+void do_stf_barrier_fixups(enum stf_barrier_type types);
+
static inline void security_ftr_set(unsigned long feature)
{
powerpc_security_features |= feature;