From mboxrd@z Thu Jan 1 00:00:00 1970 From: Masami Hiramatsu Date: Tue, 14 Sep 2021 14:39:06 +0000 Subject: [PATCH -tip v11 04/27] csky: ftrace: Drop duplicate implementation of arch_check_ftrace_location() Message-Id: <163163034617.489837.7789033031868135258.stgit@devnote2> List-Id: References: <163163030719.489837.2236069935502195491.stgit@devnote2> In-Reply-To: <163163030719.489837.2236069935502195491.stgit@devnote2> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Steven Rostedt , Josh Poimboeuf , Ingo Molnar Cc: X86 ML , Masami Hiramatsu , Daniel Xu , linux-kernel@vger.kernel.org, bpf@vger.kernel.org, kuba@kernel.org, mingo@redhat.com, ast@kernel.org, Thomas Gleixner , Borislav Petkov , Peter Zijlstra , kernel-team@fb.com, yhs@fb.com, linux-ia64@vger.kernel.org, Abhishek Sagar , Andrii Nakryiko , Paul McKenney From: Punit Agrawal 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 Acked-by: Guo Ren Acked-by: Masami Hiramatsu Signed-off-by: Masami Hiramatsu --- arch/csky/kernel/probes/ftrace.c | 7 ------- 1 file changed, 7 deletions(-) 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 -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)