linux-kernel - [PATCH 4.19 27/32] include/linux/compiler*.h: define asm_volatile

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Message-Id: <20190603090315.366227169@linuxfoundation.org>
Date:   Mon,  3 Jun 2019 11:08:21 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Nick Desaulniers <ndesaulniers@...gle.com>,
        Miguel Ojeda <miguel.ojeda.sandonis@...il.com>,
        Nathan Chancellor <natechancellor@...il.com>
Subject: [PATCH 4.19 27/32] include/linux/compiler*.h: define asm_volatile_goto

From: ndesaulniers@...gle.com <ndesaulniers@...gle.com>

commit 8bd66d147c88bd441178c7b4c774ae5a185f19b8 upstream.

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>
Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
Signed-off-by: Nathan Chancellor <natechancellor@...il.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

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

--- 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))