diff mbox series

[-tip,v11,04/27] csky: ftrace: Drop duplicate implementation of arch_check_ftrace_location()

Message ID 163163034617.489837.7789033031868135258.stgit@devnote2 (mailing list archive)
State Not Applicable
Delegated to: BPF
Headers show
Series kprobes: Fix stacktrace with kretprobes on x86 | expand

Checks

Context Check Description
netdev/tree_selection success Not a local patch

Commit Message

Masami Hiramatsu (Google) Sept. 14, 2021, 2:39 p.m. UTC 
From: Punit Agrawal <punitagrawal@gmail.com>

The csky specific arch_check_ftrace_location() shadows a weak
implementation of the function in core code that offers the same
functionality but with additional error checking.

Drop the architecture specific function as a step towards further
cleanup in core code.

Signed-off-by: Punit Agrawal <punitagrawal@gmail.com>
Acked-by: Guo Ren <guoren@kernel.org>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
---
 arch/csky/kernel/probes/ftrace.c |    7 -------
 1 file changed, 7 deletions(-)
diff mbox series

Patch

diff --git a/arch/csky/kernel/probes/ftrace.c b/arch/csky/kernel/probes/ftrace.c
index ef2bb9bd9605..b388228abbf2 100644
--- a/arch/csky/kernel/probes/ftrace.c
+++ b/arch/csky/kernel/probes/ftrace.c
@@ -2,13 +2,6 @@ 
 
 #include <linux/kprobes.h>
 
-int arch_check_ftrace_location(struct kprobe *p)
-{
-	if (ftrace_location((unsigned long)p->addr))
-		p->flags |= KPROBE_FLAG_FTRACE;
-	return 0;
-}
-
 /* Ftrace callback handler for kprobes -- called under preepmt disabled */
 void kprobe_ftrace_handler(unsigned long ip, unsigned long parent_ip,
 			   struct ftrace_ops *ops, struct ftrace_regs *fregs)