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From: Jiri Olsa <olsajiri@gmail.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
	Jiri Olsa <olsajiri@gmail.com>,
	linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org,
	linux-kbuild@vger.kernel.org, bpf <bpf@vger.kernel.org>,
	Masami Hiramatsu <mhiramat@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Masahiro Yamada <masahiroy@kernel.org>,
	Nathan Chancellor <nathan@kernel.org>,
	Nicolas Schier <nicolas@fjasle.eu>,
	Zheng Yejian <zhengyejian1@huawei.com>,
	Martin Kelly <martin.kelly@crowdstrike.com>,
	Christophe Leroy <christophe.leroy@csgroup.eu>,
	Josh Poimboeuf <jpoimboe@redhat.com>
Subject: Re: [PATCH 14/14] scripts/sorttable: ftrace: Do not add weak functions to available_filter_functions
Date: Fri, 3 Jan 2025 19:06:20 +0100	[thread overview]
Message-ID: <Z3gnHGhNKOT7P4Ga@krava> (raw)
In-Reply-To: <20250103071409.47db1479@batman.local.home>

On Fri, Jan 03, 2025 at 07:14:09AM -0500, Steven Rostedt wrote:
> On Fri, 3 Jan 2025 12:41:40 +0100
> Peter Zijlstra <peterz@infradead.org> wrote:
> 
> >  
> > > not sure why that fits the condition above for removal  
> > 
> > Check your build, if update_socket_protocol() is no longer in the symbol
> > table for your vmlinux.o then the linker deleted the symbol and things
> > work as advertised.
> > 
> > If its still there, these patches have a wobbly.
> 
> There is a wobbly. I guess I eliminated all weak functions even if they
> were still used :-p
> 
> Jiri, can you add this on top?

yes, that fixed that

thanks,
jirka

> 
> diff --git a/scripts/sorttable.c b/scripts/sorttable.c
> index 506172898fd8..ebcd687a9f0e 100644
> --- a/scripts/sorttable.c
> +++ b/scripts/sorttable.c
> @@ -523,7 +523,7 @@ static int parse_symbols(const char *fname)
>  		uint64_t size;
>  
>  		/* Only care about functions */
> -		if (type != 't' && type != 'T')
> +		if (type != 't' && type != 'T' && type != 'W')
>  			continue;
>  
>  		addr = strtoull(addr_str, NULL, 16);
> 
> 
> -- Steve

  reply	other threads:[~2025-01-03 18:06 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-01-02 18:58 [PATCH 00/14] scripts/sorttable: ftrace: Remove place holders for weak functions in available_filter_functions Steven Rostedt
2025-01-02 18:58 ` [PATCH 01/14] scripts/sorttable: Remove unused macro defines Steven Rostedt
2025-01-02 18:58 ` [PATCH 02/14] scripts/sorttable: Remove unused write functions Steven Rostedt
2025-01-02 18:58 ` [PATCH 03/14] scripts/sorttable: Remove unneeded Elf_Rel Steven Rostedt
2025-01-02 18:58 ` [PATCH 04/14] scripts/sorttable: Have the ORC code use the _r() functions to read Steven Rostedt
2025-01-02 18:58 ` [PATCH 05/14] scripts/sorttable: Make compare_extable() into two functions Steven Rostedt
2025-01-02 18:58 ` [PATCH 06/14] scripts/sorttable: Convert Elf_Ehdr to union Steven Rostedt
2025-01-02 18:58 ` [PATCH 07/14] scripts/sorttable: Replace Elf_Shdr Macro with a union Steven Rostedt
2025-01-02 18:58 ` [PATCH 08/14] scripts/sorttable: Convert Elf_Sym MACRO over to " Steven Rostedt
2025-01-02 18:58 ` [PATCH 09/14] scripts/sorttable: Add helper functions for Elf_Ehdr Steven Rostedt
2025-01-02 18:58 ` [PATCH 10/14] scripts/sorttable: Add helper functions for Elf_Shdr Steven Rostedt
2025-01-02 18:58 ` [PATCH 11/14] scripts/sorttable: Add helper functions for Elf_Sym Steven Rostedt
2025-01-02 18:58 ` [PATCH 12/14] scripts/sorttable: Use uint64_t for mcount sorting Steven Rostedt
2025-01-02 18:58 ` [PATCH 13/14] scripts/sorttable: Move code from sorttable.h into sorttable.c Steven Rostedt
2025-01-02 18:58 ` [PATCH 14/14] scripts/sorttable: ftrace: Do not add weak functions to available_filter_functions Steven Rostedt
2025-01-02 19:48   ` Peter Zijlstra
2025-01-02 19:55     ` Steven Rostedt
2025-01-02 20:03       ` Steven Rostedt
2025-01-02 20:32         ` Peter Zijlstra
2025-01-02 20:41           ` Steven Rostedt
2025-01-02 20:48             ` Peter Zijlstra
2025-01-02 20:53               ` Steven Rostedt
2025-01-02 20:24       ` Peter Zijlstra
2025-01-02 20:30         ` Steven Rostedt
2025-01-02 20:36           ` Peter Zijlstra
2025-01-02 20:45             ` Steven Rostedt
2025-01-03 11:10   ` Jiri Olsa
2025-01-03 11:41     ` Peter Zijlstra
2025-01-03 12:14       ` Steven Rostedt
2025-01-03 18:06         ` Jiri Olsa [this message]
2025-01-02 19:24 ` [PATCH 00/14] scripts/sorttable: ftrace: Remove place holders for weak functions in available_filter_functions Steven Rostedt
2025-01-02 19:30 ` Linus Torvalds
2025-01-02 19:45   ` Steven Rostedt
2025-01-02 19:47     ` Steven Rostedt
2025-01-02 21:44   ` Steven Rostedt
2025-01-02 22:14     ` Steven Rostedt

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