x86/asm: Improve how GEN_*_SUFFIXED_RMWcc() specify clobbers

[mirror_ubuntu-bionic-kernel.git] / arch / x86 / include / asm / refcount.h

diff --git a/arch/x86/include/asm/refcount.h b/arch/x86/include/asm/refcount.h
index 4e44250e7d0d75c6db385dbf151583b31d3e8c19..d65171120e909341516bbde5a5f9f99877c18141 100644 (file)
--- a/arch/x86/include/asm/refcount.h
+++ b/arch/x86/include/asm/refcount.h
@@ -67,13 +67,13 @@ static __always_inline __must_check
 bool refcount_sub_and_test(unsigned int i, refcount_t *r)
 {
        GEN_BINARY_SUFFIXED_RMWcc(LOCK_PREFIX "subl", REFCOUNT_CHECK_LT_ZERO,
-                                 r->refs.counter, "er", i, "%0", e);
+                                 r->refs.counter, "er", i, "%0", e, "cx");
 }
 
 static __always_inline __must_check bool refcount_dec_and_test(refcount_t *r)
 {
        GEN_UNARY_SUFFIXED_RMWcc(LOCK_PREFIX "decl", REFCOUNT_CHECK_LT_ZERO,
-                                r->refs.counter, "%0", e);
+                                r->refs.counter, "%0", e, "cx");
 }
 
 static __always_inline __must_check