linux-kernel - Re: [PATCH v4 0/6] scripts/sorttable: ftrace: Remove place holders for weak functions in available_filter

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Message-ID: <20250218145836.7740B3b-hca@linux.ibm.com>
Date: Tue, 18 Feb 2025 15:58:36 +0100
From: Heiko Carstens <hca@...ux.ibm.com>
To: Steven Rostedt <rostedt@...dmis.org>
Cc: linux-kernel@...r.kernel.org, linux-trace-kernel@...r.kernel.org,
        linux-kbuild@...r.kernel.org, bpf <bpf@...r.kernel.org>,
        linux-arm-kernel@...ts.infradead.org, linux-s390@...r.kernel.org,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Nicolas Schier <nicolas@...sle.eu>,
        Zheng Yejian <zhengyejian1@...wei.com>,
        Martin Kelly <martin.kelly@...wdstrike.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, Vasily Gorbik <gor@...ux.ibm.com>,
        Alexander Gordeev <agordeev@...ux.ibm.com>
Subject: Re: [PATCH v4 0/6] scripts/sorttable: ftrace: Remove place holders
 for weak functions in available_filter_functions

Hi Steven,

> This series removes the place holder __ftrace_invalid_address___ from
> the available_filter_functions file.
> 
> The rewriting of the sorttable.c code to make it more manageable
> has already been merged:
> 
>   https://git.kernel.org/torvalds/c/c0e75905caf368e19aab585d20151500e750de89
> 
> Now this is only for getting rid of the ftrace invalid function place holders.

Since you asked me to test this on s390: seems to work with
HAVE_BUILDTIME_MCOUNT_SORT enabled; the ftrace selftests still
work as before.