[PATCH v4 02/20] powerpc/code-patching: add a helper to get the address of a patch_site

[Christophe Leroy]

This patch adds a helper to get the address of a patch_site

Signed-off-by: Christophe Leroy <christophe.leroy at c-s.fr>
---
 arch/powerpc/include/asm/code-patching.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/powerpc/include/asm/code-patching.h b/arch/powerpc/include/asm/code-patching.h
index 31733a95bbd0..bca48cc1b6ad 100644
--- a/arch/powerpc/include/asm/code-patching.h
+++ b/arch/powerpc/include/asm/code-patching.h
@@ -36,6 +36,11 @@ int raw_patch_instruction(unsigned int *addr, unsigned int instr);
 int patch_instruction_site(s32 *addr, unsigned int instr);
 int patch_branch_site(s32 *site, unsigned long target, int flags);
 
+static inline unsigned long site_addr(s32 *site)
+{
+	return (unsigned long)site + *site;
+}
+
 int instr_is_relative_branch(unsigned int instr);
 int instr_is_relative_link_branch(unsigned int instr);
 int instr_is_branch_to_addr(const unsigned int *instr, unsigned long addr);
-- 
2.13.3