[PATCH v6 06/20] powerpc/code-patching: add a helper to get the address of a patch_site
From: Christophe Leroy <hidden>
Date: 2018-10-19 06:55:09
Also in:
lkml
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
This patch adds a helper to get the address of a patch_site Signed-off-by: Christophe Leroy <redacted> --- 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