linux-arm-kernel.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: John Garry <john.garry@huawei.com>
Cc: mark.rutland@arm.com, peterz@infradead.org, guoren@kernel.org,
	linux-riscv@lists.infradead.org, jolsa@redhat.com,
	will@kernel.org, linux-csky@vger.kernel.org,
	alexander.shishkin@linux.intel.com, anju@linux.vnet.ibm.com,
	iecedge@gmail.com, ravi.bangoria@linux.ibm.com,
	aou@eecs.berkeley.edu, kjain@linux.ibm.com,
	paul.walmsley@sifive.com, namhyung@kernel.org, mingo@redhat.com,
	linux-arm-kernel@lists.infradead.org,
	atrajeev@linux.vnet.ibm.com, mathieu.poirier@linaro.org,
	linux-kernel@vger.kernel.org, palmer@dabbelt.com,
	leo.yan@linaro.org, Jianlin Lv <Jianlin.Lv@arm.com>
Subject: Re: [PATCH v5] perf tools: Fix arm64 build error with gcc-11
Date: Thu, 18 Feb 2021 16:25:03 -0300	[thread overview]
Message-ID: <YC6/D1KwxnkEPObJ@kernel.org> (raw)
In-Reply-To: <bd474bfa-2bdb-53ea-5142-3a6570d63b7f@huawei.com>

Em Thu, Feb 18, 2021 at 09:26:17AM +0000, John Garry escreveu:
> On 18/02/2021 03:12, Jianlin Lv wrote:
> > gcc version: 11.0.0 20210208 (experimental) (GCC)
> > 
> > Following build error on arm64:
> > 
> > .......
> > In function ‘printf’,
> >      inlined from ‘regs_dump__printf’ at util/session.c:1141:3,
> >      inlined from ‘regs__printf’ at util/session.c:1169:2:
> > /usr/include/aarch64-linux-gnu/bits/stdio2.h:107:10: \
> >    error: ‘%-5s’ directive argument is null [-Werror=format-overflow=]
> > 
> > 107 |   return __printf_chk (__USE_FORTIFY_LEVEL - 1, __fmt, \
> >                  __va_arg_pack ());
> > 
> > ......
> > In function ‘fprintf’,
> >    inlined from ‘perf_sample__fprintf_regs.isra’ at \
> >      builtin-script.c:622:14:
> > /usr/include/aarch64-linux-gnu/bits/stdio2.h:100:10: \
> >      error: ‘%5s’ directive argument is null [-Werror=format-overflow=]
> >    100 |   return __fprintf_chk (__stream, __USE_FORTIFY_LEVEL - 1, __fmt,
> >    101 |                         __va_arg_pack ());
> > 
> > cc1: all warnings being treated as errors
> > .......
> > 
> > This patch fixes Wformat-overflow warnings. Add helper function to
> > convert NULL to "unknown".
> > 
> > Signed-off-by: Jianlin Lv<Jianlin.Lv@arm.com>
> 
> thanks
> Reviewed-by: John Garry <john.garry@huawei.com>


Thanks, applied.

- Arnaldo


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

      reply	other threads:[~2021-02-18 19:26 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-18  3:12 [PATCH v5] perf tools: Fix arm64 build error with gcc-11 Jianlin Lv
2021-02-18  9:26 ` John Garry
2021-02-18 19:25   ` Arnaldo Carvalho de Melo [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=YC6/D1KwxnkEPObJ@kernel.org \
    --to=acme@kernel.org \
    --cc=Jianlin.Lv@arm.com \
    --cc=alexander.shishkin@linux.intel.com \
    --cc=anju@linux.vnet.ibm.com \
    --cc=aou@eecs.berkeley.edu \
    --cc=atrajeev@linux.vnet.ibm.com \
    --cc=guoren@kernel.org \
    --cc=iecedge@gmail.com \
    --cc=john.garry@huawei.com \
    --cc=jolsa@redhat.com \
    --cc=kjain@linux.ibm.com \
    --cc=leo.yan@linaro.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-csky@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-riscv@lists.infradead.org \
    --cc=mark.rutland@arm.com \
    --cc=mathieu.poirier@linaro.org \
    --cc=mingo@redhat.com \
    --cc=namhyung@kernel.org \
    --cc=palmer@dabbelt.com \
    --cc=paul.walmsley@sifive.com \
    --cc=peterz@infradead.org \
    --cc=ravi.bangoria@linux.ibm.com \
    --cc=will@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).