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csky: ftrace: Drop duplicate implementation of arch_check_ftrace_location()

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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.

Link: https://lkml.kernel.org/r/163163034617.489837.7789033031868135258.stgit@devnote2

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>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This commit is contained in:
Punit Agrawal 2021-09-14 23:39:06 +09:00 committed by Steven Rostedt (VMware)
parent 02afb8d604
commit 71bdc8fe22
1 changed files with 0 additions and 7 deletions
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7
arch/csky/kernel/probes/ftrace.c
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@ -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)