Apr 09 2016

uprobes/x86: Constify uprobe_xol_ops structures 

Author: Julia Lawall <Julia.Lawall@lip6.fr>

The uprobe_xol_ops structures are never modified, so declare them as const.

Done with the help of Coccinelle.

Signed-off-by: Julia Lawall 
Cc: Andrew Morton 
Cc: Linus Torvalds 
Cc: Oleg Nesterov 
Cc: Paul E. McKenney 
Cc: Peter Zijlstra 
Cc: Thomas Gleixner 
Cc: kernel-janitors@vger.kernel.org
Link: http://lkml.kernel.org/r/1460200649-32526-1-git-send-email-Julia.Lawall@lip6.fr
Signed-off-by: Ingo Molnar 

---
 arch/x86/kernel/uprobes.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
 
diff --git a/arch/x86/kernel/uprobes.c b/arch/x86/kernel/uprobes.c
index bf4db6e..bd07415 100644
--- a/arch/x86/kernel/uprobes.c
+++ b/arch/x86/kernel/uprobes.c
@@ -578,7 +578,7 @@ static void default_abort_op(struct arch_uprobe *auprobe, struct pt_regs *regs)
 	riprel_post_xol(auprobe, regs);
 }
 
-static struct uprobe_xol_ops default_xol_ops = {
+static const struct uprobe_xol_ops default_xol_ops = {
 	.pre_xol  = default_pre_xol_op,
 	.post_xol = default_post_xol_op,
 	.abort	  = default_abort_op,
@@ -695,7 +695,7 @@ static void branch_clear_offset(struct arch_uprobe *auprobe, struct insn *insn)
 		0, insn->immediate.nbytes);
 }
 
-static struct uprobe_xol_ops branch_xol_ops = {
+static const struct uprobe_xol_ops branch_xol_ops = {
 	.emulate  = branch_emulate_op,
 	.post_xol = branch_post_xol_op,
 };

qlambert