diff mbox series

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

Message ID 78c37fb77b615584d9772b73079229e8cefd81a0.1537288312.git.christophe.leroy@c-s.fr (mailing list archive)
State Superseded
Headers show
Series Implement use of HW assistance on TLB table walk on 8xx | expand

Checks

Context Check Description
snowpatch_ozlabs/apply_patch success next/apply_patch Successfully applied
snowpatch_ozlabs/checkpatch success Test checkpatch on branch next

Commit Message

Christophe Leroy Sept. 18, 2018, 4:57 p.m. UTC 
This patch adds a helper to get the address of a patch_site

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

Patch

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);