linux-kernel - Re: [PATCH 13/13] tracing/probes: Fix basic print type functions

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Message-ID: <1375684317.3133.25.camel@joe-AO722>
Date:	Sun, 04 Aug 2013 23:31:57 -0700
From:	Joe Perches <joe@...ches.com>
To:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
Cc:	Namhyung Kim <namhyung@...nel.org>,
	Stev Rostedt <rostedt@...dmis.org>,
	Namhyung Kim <namhyung.kim@....com>,
	Hyeoncheol Lee <cheol.lee@....com>,
	LKML <linux-kernel@...r.kernel.org>,
	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>,
	Oleg Nesterov <oleg@...hat.com>,
	"zhangwei(Jovi)" <jovi.zhangwei@...wei.com>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Subject: Re: [PATCH 13/13] tracing/probes: Fix basic print type functions

On Mon, 2013-08-05 at 15:22 +0900, Masami Hiramatsu wrote:
> (2013/07/31 18:03), Namhyung Kim wrote:
> > From: Namhyung Kim <namhyung.kim@....com>
> > 
> > The print format of s32 type was "ld" and it's casted to "long".  So
> > it turned out to print 4294967295 for "-1" on 64-bit systems.  Not
> > sure whether it worked well on 32-bit systems.
[]
> > diff --git a/kernel/trace/trace_probe.c b/kernel/trace/trace_probe.c
[]
> > @@ -45,14 +45,19 @@ __kprobes int PRINT_TYPE_FUNC_NAME(type)(struct trace_seq *s,		\
[]
> > +DEFINE_BASIC_PRINT_TYPE_FUNC(s8,  "%d", signed char)

If there's a need to identify signed char, why
not signed short, signed int and signd long too?


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