From: Alexander Sverdlin <alexander.sverdlin@nokia.com>
To: Sasha Levin <sashal@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Florian Fainelli <f.fainelli@gmail.com>,
linux-kernel@vger.kernel.org, stable@vger.kernel.org,
Steven Rostedt <rostedt@goodmis.org>,
Ingo Molnar <mingo@redhat.com>,
Russell King <linux@armlinux.org.uk>,
"moderated list:ARM PORT" <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH stable 4.9 v2 0/4] ARM: ftrace MODULE_PLTS warning
Date: Fri, 24 Sep 2021 17:27:38 +0200 [thread overview]
Message-ID: <bb9fde7d-3644-6d30-c238-73427ab200e6@nokia.com> (raw)
In-Reply-To: <YU2769mOr3lb8jFi@sashalap>
Hi Sasha,
On 24/09/2021 13:52, Sasha Levin wrote:
>>> This patch series is present in v5.14 and fixes warnings seen at insmod
>>> with FTRACE and MODULE_PLTS enabled on ARM/Linux.
>>
>> All now queued up, thanks.
>
> Looks like 4.19 and older break the build:
>
> arch/arm/kernel/ftrace.c: In function 'ftrace_update_ftrace_func':
> arch/arm/kernel/ftrace.c:157:9: error: too few arguments to function 'ftrace_call_replace'
> 157 | new = ftrace_call_replace(pc, (unsigned long)func);
> | ^~~~~~~~~~~~~~~~~~~
in principle you can add ", true" as a third argument in all these ftrace_call_replace()
call-sites which still have two args.
> arch/arm/kernel/ftrace.c:99:22: note: declared here
> 99 | static unsigned long ftrace_call_replace(unsigned long pc, unsigned long addr,
> | ^~~~~~~~~~~~~~~~~~~
> arch/arm/kernel/ftrace.c: In function 'ftrace_make_nop':
> arch/arm/kernel/ftrace.c:240:9: error: too few arguments to function 'ftrace_call_replace'
> 240 | old = ftrace_call_replace(ip, adjust_address(rec, addr));
> | ^~~~~~~~~~~~~~~~~~~
> arch/arm/kernel/ftrace.c:99:22: note: declared here
> 99 | static unsigned long ftrace_call_replace(unsigned long pc, unsigned long addr,
> | ^~~~~~~~~~~~~~~~~~~
> make[2]: *** [scripts/Makefile.build:303: arch/arm/kernel/ftrace.o] Error 1
>
> I've dropped them.
--
Best regards,
Alexander Sverdlin.
next prev parent reply other threads:[~2021-09-24 15:28 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-22 17:02 [PATCH stable 4.9 v2 0/4] ARM: ftrace MODULE_PLTS warning Florian Fainelli
2021-09-22 17:02 ` [PATCH stable 4.9 v2 1/4] ARM: 9077/1: PLT: Move struct plt_entries definition to header Florian Fainelli
2021-09-22 17:02 ` [PATCH stable 4.9 v2 2/4] ARM: 9078/1: Add warn suppress parameter to arm_gen_branch_link() Florian Fainelli
2021-09-22 17:02 ` [PATCH stable 4.9 v2 3/4] ARM: 9079/1: ftrace: Add MODULE_PLTS support Florian Fainelli
2021-09-22 17:02 ` [PATCH stable 4.9 v2 4/4] ARM: 9098/1: ftrace: MODULE_PLT: Fix build problem without DYNAMIC_FTRACE Florian Fainelli
2021-09-23 10:35 ` [PATCH stable 4.9 v2 0/4] ARM: ftrace MODULE_PLTS warning Greg Kroah-Hartman
2021-09-24 11:52 ` Sasha Levin
2021-09-24 15:27 ` Alexander Sverdlin [this message]
2021-09-24 16:11 ` Florian Fainelli
2021-09-24 16:41 ` Sasha Levin
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