arm64: lse: deal with clobbered IP registers after branch via PLT

[cascardo/linux.git] / arch / arm64 / include / asm / lse.h

diff --git a/arch/arm64/include/asm/lse.h b/arch/arm64/include/asm/lse.h
index 3de42d6..23acc00 100644 (file)
--- a/arch/arm64/include/asm/lse.h
+++ b/arch/arm64/include/asm/lse.h
@@ -26,6 +26,7 @@ __asm__(".arch_extension      lse");
 
 /* Macro for constructing calls to out-of-line ll/sc atomics */
 #define __LL_SC_CALL(op)       "bl\t" __stringify(__LL_SC_PREFIX(op)) "\n"
+#define __LL_SC_CLOBBERS       "x16", "x17", "x30"
 
 /* In-line patching at runtime */
 #define ARM64_LSE_ATOMIC_INSN(llsc, lse)                               \