linux-kernel - Re: [PATCH] perf: Fix compile warnings in tests/attr.c

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Date:	Tue, 22 Jan 2013 14:57:26 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
Cc:	acme@...stprotocols.net, Anton Blanchard <anton@....ibm.com>,
	paulus@...ba.org, linux-kernel@...r.kernel.org,
	linuxppc-dev@...abs.org
Subject: Re: [PATCH] perf: Fix compile warnings in tests/attr.c

On Mon, Jan 21, 2013 at 01:38:23PM -0800, Sukadev Bhattiprolu wrote:
> Jiri Olsa [jolsa@...hat.com] wrote:
> | On Fri, Jan 18, 2013 at 05:30:52PM -0800, Sukadev Bhattiprolu wrote:

SNIP

> __u64 is 'unsigned long long' on x86 and PRIu64 is 'llu' which is fine.
> 
> __u64 is 'unsigned long' on Power and PRIu64 is 'lu' which is again fine.
> 
> But __u64 is 'unsigned long long' on x86_64, but PRIu64 is '%lu' bc __WORDSIZE
> is 64.
> 
> On x86_64, shouldn't __u64, be defined as 'unsigned long' rather than
> 'unsigned long long' - ie include 'int-l64.h' rather than 'int-ll64.h' ?

hum, not sure ;-) will try to find some time to look on that

> 
> BTW, does 'perf' with my patch compile, (with warnings) for you on x86_64
> with 'WERROR=0 make' ?

this one passes with warnings

jirka
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