linux-kernel - Re: [PATCH] bpf/selftests: Fix __NR_uretprobe in uprobe

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Date: Sun, 16 Jun 2024 21:51:18 +0200
From: Jiri Olsa <olsajiri@...il.com>
To: Masami Hiramatsu <mhiramat@...nel.org>
Cc: Steven Rostedt <rostedt@...dmis.org>,
	Andrii Nakryiko <andrii@...nel.org>, linux-kernel@...r.kernel.org,
	linux-trace-kernel@...r.kernel.org, bpf@...r.kernel.org,
	Nathan Chancellor <nathan@...nel.org>
Subject: Re: [PATCH] bpf/selftests: Fix __NR_uretprobe in uprobe_syscall test

On Sun, Jun 16, 2024 at 01:19:11AM +0900, Masami Hiramatsu wrote:
> On Sun, 16 Jun 2024 00:19:20 +0900
> Masami Hiramatsu (Google) <mhiramat@...nel.org> wrote:
> 
> > On Fri, 14 Jun 2024 12:15:09 +0200
> > Jiri Olsa <jolsa@...nel.org> wrote:
> > 
> > > Fixing the __NR_uretprobe number in uprobe_syscall test,
> > > because it changed due to merge conflict.
> > > 
> > 
> > Ah, it is not enough, since Stephen's change is just a temporary fix on
> > next tree. OK, Let me update it.
> 
> Hm, I thought I need to change all NR_uretprobe, but it makes NR_syscalls
> list sparse. This may need to be solved on linus tree in merge window,
> or I should merge (or rebase on) vfs-brauner tree before sending
> probes/for-next.
> 
> Steve, do you have any idea? we talked about conflict on next tree[0].
> 
> [0] https://lore.kernel.org/all/20240613114243.2a50059b@canb.auug.org.au/

hi,
I have one more fix to send [1] for this, please let me know which tree
I should based that on

thanks,
jirka


[1] https://lore.kernel.org/bpf/ZmyZgzqsowkGyqmH@krava/

> 
> Thanks,
> 
> > 
> > Thanks,
> > 
> > > Signed-off-by: Jiri Olsa <jolsa@...nel.org>
> > > ---
> > >  tools/testing/selftests/bpf/prog_tests/uprobe_syscall.c | 2 +-
> > >  1 file changed, 1 insertion(+), 1 deletion(-)
> > > 
> > > diff --git a/tools/testing/selftests/bpf/prog_tests/uprobe_syscall.c b/tools/testing/selftests/bpf/prog_tests/uprobe_syscall.c
> > > index c8517c8f5313..bd8c75b620c2 100644
> > > --- a/tools/testing/selftests/bpf/prog_tests/uprobe_syscall.c
> > > +++ b/tools/testing/selftests/bpf/prog_tests/uprobe_syscall.c
> > > @@ -216,7 +216,7 @@ static void test_uretprobe_regs_change(void)
> > >  }
> > >  
> > >  #ifndef __NR_uretprobe
> > > -#define __NR_uretprobe 463
> > > +#define __NR_uretprobe 467
> > >  #endif
> > >  
> > >  __naked unsigned long uretprobe_syscall_call_1(void)
> > > -- 
> > > 2.45.1
> > > 
> > 
> > 
> > -- 
> > Masami Hiramatsu (Google) <mhiramat@...nel.org>
> 
> 
> -- 
> Masami Hiramatsu (Google) <mhiramat@...nel.org>