linux-kernel - [PATCH] frv: Use OFFSET macro in DEF

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Date:   Mon,  3 Apr 2017 12:46:36 -0700
From:   Matthias Kaehlcke <mka@...omium.org>
To:     David Howells <dhowells@...hat.com>
Cc:     linux-kernel@...r.kernel.org, linux-kbuild@...r.kernel.org,
        Matthias Kaehlcke <mka@...omium.org>
Subject: [PATCH] frv: Use OFFSET macro in DEF_*REG()

Avoid code duplication by using OFFSET() in DEF_*REG() instead of
replicating the macro.

Signed-off-by: Matthias Kaehlcke <mka@...omium.org>
---
 arch/frv/kernel/asm-offsets.c | 19 ++++---------------
 1 file changed, 4 insertions(+), 15 deletions(-)

diff --git a/arch/frv/kernel/asm-offsets.c b/arch/frv/kernel/asm-offsets.c
index 8414293f213a..20c5b79b55f9 100644
--- a/arch/frv/kernel/asm-offsets.c
+++ b/arch/frv/kernel/asm-offsets.c
@@ -14,21 +14,10 @@
 #include <asm/thread_info.h>
 #include <asm/gdb-stub.h>
 
-#define DEF_PTREG(sym, reg) \
-        asm volatile("\n->" #sym " %0 offsetof(struct pt_regs, " #reg ")" \
-		     : : "i" (offsetof(struct pt_regs, reg)))
-
-#define DEF_IREG(sym, reg) \
-        asm volatile("\n->" #sym " %0 offsetof(struct user_context, " #reg ")" \
-		     : : "i" (offsetof(struct user_context, reg)))
-
-#define DEF_FREG(sym, reg) \
-        asm volatile("\n->" #sym " %0 offsetof(struct user_context, " #reg ")" \
-		     : : "i" (offsetof(struct user_context, reg)))
-
-#define DEF_0REG(sym, reg) \
-        asm volatile("\n->" #sym " %0 offsetof(struct frv_frame0, " #reg ")" \
-		     : : "i" (offsetof(struct frv_frame0, reg)))
+#define DEF_PTREG(sym, reg) OFFSET(sym, pt_regs, reg)
+#define DEF_IREG(sym, reg) OFFSET(sym, user_context, reg)
+#define DEF_FREG(sym, reg) OFFSET(sym, user_context, reg)
+#define DEF_0REG(sym, reg) OFFSET(sym, frv_frame0, reg)
 
 void foo(void)
 {
-- 
2.12.2.564.g063fe858b8-goog