Re: [PATCH v2] kprobes: Avoid possible warn in __arm_kprobe_ftrace()

On 2024/4/9 21:49, Masami Hiramatsu (Google) wrote: On Tue, 9 Apr 2024 14:20:45 +0800 Zheng Yejian wrote: On 2024/4/8 20:41, Masami Hiramatsu (Google) wrote: Hi Zheng, On Mon, 8 Apr 2024 16:34:03 +0800 Zheng Yejian wrote: There is once warn in __arm_kprobe_ftrace() on: ret =

Re: [PATCH v2] kprobes: Avoid possible warn in __arm_kprobe_ftrace()

On Tue, 9 Apr 2024 14:20:45 +0800 Zheng Yejian wrote: > On 2024/4/8 20:41, Masami Hiramatsu (Google) wrote: > > Hi Zheng, > > > > On Mon, 8 Apr 2024 16:34:03 +0800 > > Zheng Yejian wrote: > > > >> There is once warn in __arm_kprobe_ftrace() on: > >> > >> ret = ftrace_set_filter_ip(ops,

Re: [PATCH v2] kprobes: Avoid possible warn in __arm_kprobe_ftrace()

On 2024/4/8 20:41, Masami Hiramatsu (Google) wrote: Hi Zheng, On Mon, 8 Apr 2024 16:34:03 +0800 Zheng Yejian wrote: There is once warn in __arm_kprobe_ftrace() on: ret = ftrace_set_filter_ip(ops, (unsigned long)p->addr, 0, 0); if (WARN_ONCE(..., "Failed to arm kprobe-ftrace at %pS

Re: [PATCH v2] kprobes: Avoid possible warn in __arm_kprobe_ftrace()

Hi Zheng, On Mon, 8 Apr 2024 16:34:03 +0800 Zheng Yejian wrote: > There is once warn in __arm_kprobe_ftrace() on: > > ret = ftrace_set_filter_ip(ops, (unsigned long)p->addr, 0, 0); > if (WARN_ONCE(..., "Failed to arm kprobe-ftrace at %pS (error %d)\n", ...) >return ret; > > This warning