linux-kernel - Re: [PATCH 2/4] ARM: add IPI tracepoints

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAKv+Gu-RZ4s+33LVOK3eTrvb3ig0YXmNwT0-3GS2-WuvThyXTg@mail.gmail.com>
Date:	Sat, 19 Jul 2014 22:50:16 +0200
From:	Ard Biesheuvel <ard.biesheuvel@...aro.org>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Nicolas Pitre <nicolas.pitre@...aro.org>,
	"linaro-kernel@...ts.linaro.org" <linaro-kernel@...ts.linaro.org>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Catalin Marinas <catalin.marinas@....com>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...hat.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 2/4] ARM: add IPI tracepoints

On 19 July 2014 22:28, Steven Rostedt <rostedt@...dmis.org> wrote:
> On Sat, 19 Jul 2014 21:10:37 +0200
> Ard Biesheuvel <ard.biesheuvel@...aro.org> wrote:
>
>> On 18 July 2014 23:22, Steven Rostedt <rostedt@...dmis.org> wrote:
>> > On Fri, 18 Jul 2014 16:55:42 -0400 (EDT)
>> > Nicolas Pitre <nicolas.pitre@...aro.org> wrote:
>> >
>> >>
>> >> Here's the patch I have at the head of the series now, with the above
>> >> ugliness changed to an unconditional __tracepoint_string attribute.
>> >>
>> >
>> > I was thinking of something like this. Feel free to add this to your
>> > series.
>> >
>> > -- Steve
>> >
>>
>> Nico,
>>
>> If this patch addresses the issue where 3 RCU related tracepoint
>> strings turn up /after/ _edata on !CONFIG_TRACING, there is already a
>> patch queued up here
>>
>> http://marc.info/?l=linux-kernel&m=140518452623148&w=2
>>
>> As far as In know, these were the only occurrences using a __used
>> modifier, which is why they weren't dropped by the compiler in the
>> !CONFIG_TRACING case.
>>
>
> Ard,
>
> Similar but different problem. Nicolas's problem was with new use cases
> for tracepoint_string. My patch fixes the issue for the general case.
>

OK, so if the general case has been fixed, perhaps we should ask Paul
to drop my patch?

-- 
Ard.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/