---

yaml --- r: 258327 b: refs/heads/master c: aea4902 h: refs/heads/master i: 258325: a8b2f88 258323: 6824dea 258319: f58cadb v: v3
git-mirror · Jul 13, 2011 · 7facc1b · 7facc1b
1 parent 56955b4
commit 7facc1b
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Showing 3 changed files with 19 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6c8df3300f60cae54aeb2a6dda8efe7ffe16a322
+refs/heads/master: aea490299f7f0412f884a4895bc96211d8d8dbaf
diff --git a/trunk/arch/arm/kernel/kprobes-common.c b/trunk/arch/arm/kernel/kprobes-common.c
@@ -17,6 +17,8 @@
 #include "kprobes.h"
 
 
+#ifndef find_str_pc_offset
+
 /*
  * For STR and STM instructions, an ARM core may choose to use either
  * a +8 or a +12 displacement from the current instruction's address.
@@ -40,6 +42,8 @@ void __init find_str_pc_offset(void)
 	str_pc_offset = ret;
 }
 
+#endif /* !find_str_pc_offset */
+
 
 void __init arm_kprobe_decode_init(void)
 {

diff --git a/trunk/arch/arm/kernel/kprobes.h b/trunk/arch/arm/kernel/kprobes.h
@@ -36,7 +36,21 @@ void __init arm_kprobe_decode_init(void);
 
 extern kprobe_check_cc * const kprobe_condition_checks[16];
 
+
+#if __LINUX_ARM_ARCH__ >= 7
+
+/* str_pc_offset is architecturally defined from ARMv7 onwards */
+#define str_pc_offset 8
+#define find_str_pc_offset()
+
+#else /* __LINUX_ARM_ARCH__ < 7 */
+
+/* We need a run-time check to determine str_pc_offset */
 extern int str_pc_offset;
+void __init find_str_pc_offset(void);
+
+#endif
+
 
 /*
  * Test if load/store instructions writeback the address register.