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-rw-r--r--arch/powerpc/include/asm/security_features.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/security_features.h b/arch/powerpc/include/asm/security_features.h
index 759597bf0fd8..ccf44c135389 100644
--- a/arch/powerpc/include/asm/security_features.h
+++ b/arch/powerpc/include/asm/security_features.h
@@ -81,6 +81,9 @@ static inline bool security_ftr_enabled(unsigned long feature)
// Software required to flush count cache on context switch
#define SEC_FTR_FLUSH_COUNT_CACHE 0x0000000000000400ull
+// Software required to flush link stack on context switch
+#define SEC_FTR_FLUSH_LINK_STACK 0x0000000000001000ull
+
// Features enabled by default
#define SEC_FTR_DEFAULT \