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From: "Ihor Solodrai" <ihor.solodrai@linux.dev>
To: "Masami Hiramatsu (Google)" <mhiramat@kernel.org>,
	"Steven Rostedt" <rostedt@goodmis.org>,
	"Heiko Carstens" <hca@linux.ibm.com>,
	"Sven Schnelle" <svens@linux.ibm.com>
Cc: "Jiri Olsa" <olsajiri@gmail.com>,
	"Masami Hiramatsu" <mhiramat@kernel.org>,
	"Mark Rutland" <mark.rutland@arm.com>,
	"Vasily Gorbik" <gor@linux.ibm.com>,
	"Alexander Gordeev" <agordeev@linux.ibm.com>,
	"Christian Borntraeger" <borntraeger@linux.ibm.com>,
	"Andrii Nakryiko" <andrii.nakryiko@gmail.com>,
	linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org,
	linux-s390@vger.kernel.org, "bpf" <bpf@vger.kernel.org>
Subject: Re: [PATCH 1/2] s390: fgraph: Fix to remove ftrace_test_recursion_trylock()
Date: Wed, 29 Jan 2025 00:36:40 +0000	[thread overview]
Message-ID: <36780a0c327fe6fe0fee1c05ba04368e46d30a37@linux.dev> (raw)
In-Reply-To: <173807817692.1854334.2985776940754607459.stgit@devnote2>

January 28, 2025 at 7:29 AM, "Masami Hiramatsu (Google)" <mhiramat@kernel.org> wrote:



> 
> From: Masami Hiramatsu (Google) <mhiramat@kernel.org>
> 
> Fix to remove ftrace_test_recursion_trylock() from ftrace_graph_func()
> 
> because commit d576aec24df9 ("fgraph: Get ftrace recursion lock in
> 
> function_graph_enter") has been moved it to function_graph_enter_regs()
> 
> already.
> 
> Reported-by: Jiri Olsa <olsajiri@gmail.com>
> 
> Closes: https://lore.kernel.org/all/Z5O0shrdgeExZ2kF@krava/
> 
> Fixes: d576aec24df9 ("fgraph: Get ftrace recursion lock in function_graph_enter")
> 
> Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
> 
> Tested-by: Jiri Olsa <jolsa@kernel.org>
> 
> [...]

Hi Masami,

Can confirm this patch fixes missed/kprobe_recursion BPF selftests on s390x:
https://github.com/kernel-patches/vmtest/actions/runs/13021621468/job/36324248903

Tested-by: Ihor Solodrai <ihor.solodrai@linux.dev>

Thanks!

  reply	other threads:[~2025-01-29  0:36 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-01-28 15:29 [PATCH 0/2] tracing: s390: Fix fprobes on s390 Masami Hiramatsu (Google)
2025-01-28 15:29 ` [PATCH 1/2] s390: fgraph: Fix to remove ftrace_test_recursion_trylock() Masami Hiramatsu (Google)
2025-01-29  0:36   ` Ihor Solodrai [this message]
2025-01-28 15:29 ` [PATCH 2/2] s390: tracing: Define ftrace_get_symaddr() for s390 Masami Hiramatsu (Google)
2025-01-29  9:12 ` [PATCH 0/2] tracing: s390: Fix fprobes on s390 Heiko Carstens

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