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-rw-r--r--arch/powerpc/include/asm/security_features.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/security_features.h b/arch/powerpc/include/asm/security_features.h
index 7c05e95a5c44..fbb8fa32150f 100644
--- a/arch/powerpc/include/asm/security_features.h
+++ b/arch/powerpc/include/asm/security_features.h
@@ -63,6 +63,8 @@ static inline bool security_ftr_enabled(u64 feature)
// bcctr 2,0,0 triggers a hardware assisted count cache flush
#define SEC_FTR_BCCTR_FLUSH_ASSIST 0x0000000000000800ull
+// bcctr 2,0,0 triggers a hardware assisted link stack flush
+#define SEC_FTR_BCCTR_LINK_FLUSH_ASSIST 0x0000000000002000ull
// Features indicating need for Spectre/Meltdown mitigations