linux-kernel - [PATCH v3] include/linux/compiler*.h: define asm_volatile

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Message-Id: <20181031193903.203914-1-ndesaulniers@google.com>
Date:   Wed, 31 Oct 2018 12:39:01 -0700
From:   ndesaulniers@...gle.com
To:     torvalds@...ux-foundation.org
Cc:     akpm@...ux-foundation.org, miguel.ojeda.sandonis@...il.com,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Paul Burton <paul.burton@...s.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arnd Bergmann <arnd@...db.de>, linux-kernel@...r.kernel.org
Subject: [PATCH v3] include/linux/compiler*.h: define asm_volatile_goto

asm_volatile_goto should also be defined for other compilers that support
asm goto.

Fixes commit 815f0ddb346c ("include/linux/compiler*.h: make compiler-*.h
mutually exclusive").

Signed-off-by: Nick Desaulniers <ndesaulniers@...gle.com>
---
V2 -> V3: update subject line & add reference to fixed commit.
V1 -> V2: drop changes to include/linux/compiler-gcc.h.


 include/linux/compiler_types.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h
index 97cfe29b3f0a..6f1cb84a687b 100644
--- a/include/linux/compiler_types.h
+++ b/include/linux/compiler_types.h
@@ -151,6 +151,10 @@ struct ftrace_likely_data {
 #define __assume_aligned(a, ...)
 #endif
 
+#ifndef asm_volatile_goto
+#define asm_volatile_goto(x...) asm goto(x)
+#endif
+
 /* Are two types/vars the same type (ignoring qualifiers)? */
 #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
 
-- 
2.19.1.568.g152ad8e336-goog