linux-kernel - Re: [PATCH v2 1/5] perf tools: [uclibc] fix statfs.f

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Date:	Mon, 12 Jan 2015 22:47:57 -0300
From:	Arnaldo Carvalho de Melo <acme@...hat.com>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	Vineet Gupta <Vineet.Gupta1@...opsys.com>, namhyung@...nel.org,
	peterz@...radead.org, jolsa@...nel.org, mingo@...nel.org,
	linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
	linux-arch@...r.kernel.org, Alexey.Brodkin@...opsys.com,
	Borislav Petkov <bp@...e.de>, Cody P Schafer <dev@...yps.com>
Subject: Re: [PATCH v2 1/5] perf tools: [uclibc] fix statfs.f_type data type
 mismatch build error

Em Mon, Jan 12, 2015 at 12:05:22PM +0100, Jiri Olsa escreveu:
> On Sat, Jan 10, 2015 at 04:40:50PM +0530, Vineet Gupta wrote:
> > From: Alexey Brodkin <abrodkin@...opsys.com>
> > 
> > ARC Linux uses the no legacy syscalls abi and corresponding uClibc headers
> > statfs defines f_type to be U32 which causes perf build breakage
> > 
> > http://git.uclibc.org/uClibc/tree/libc/sysdeps/linux/common-generic/bits/statfs.h
> > 
> > ----------->8---------------
> >   CC       fs/fs.o
> > fs/fs.c: In function 'fs__valid_mount':
> > fs/fs.c:82:24: error: comparison between signed and unsigned integer
> > expressions [-Werror=sign-compare]
> >   else if (st_fs.f_type != magic)
> >                         ^
> > cc1: all warnings being treated as errors
> > ----------->8---------------
> > 
> > Cc: Borislav Petkov <bp@...e.de>
> > Cc: Jiri Olsa <jolsa@...nel.org>
> > Cc: Cody P Schafer <dev@...yps.com>
> > Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
> > Cc: linux-perf-users@...r.kernel.org
> > Cc: linux-kernel@...r.kernel.org
> > Signed-off-by: Alexey Brodkin <abrodkin@...opsys.com>
> 
> Acked-by: Jiri Olsa <jolsa@...nel.org>

Thanks, applied, but please do not start lines in the changelog comment
with ---, that breaks some patch applying scripts. I fixed it up this
time.

- Arnaldo
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