From: Arnaldo Carvalho de Melo <arnaldo.melo@gmail.com>
To: Naresh Kamboju <naresh.kamboju@linaro.org>
Cc: "Arnaldo Carvalho de Melo" <arnaldo.melo@gmail.com>,
"Andrii Nakryiko" <andrii.nakryiko@gmail.com>,
"Jakub Kicinski" <jakub.kicinski@netronome.com>,
"Stanislav Fomichev" <sdf@fomichev.me>,
"Toke Høiland-Jørgensen" <toke@redhat.com>,
"Andrii Nakryiko" <andriin@fb.com>,
"Adrian Hunter" <adrian.hunter@intel.com>,
"Alexei Starovoitov" <ast@kernel.org>,
"Daniel Borkmann" <daniel@iogearbox.net>,
"Jiri Olsa" <jolsa@kernel.org>, "Martin KaFai Lau" <kafai@fb.com>,
"Namhyung Kim" <namhyung@kernel.org>, bpf <bpf@vger.kernel.org>,
Networking <netdev@vger.kernel.org>,
linux-perf-users@vger.kernel.org,
"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
"Quentin Monnet" <quentin.monnet@netronome.com>,
"Leo Yan" <leo.yan@linaro.org>
Subject: Re: [PATCH] libbpf: Use PRIu64 for sym->st_value to fix build on 32-bit arches
Date: Tue, 3 Dec 2019 11:41:07 -0300 [thread overview]
Message-ID: <20191203144107.GC3247@kernel.org> (raw)
In-Reply-To: <CA+G9fYsK8zn3jqF=Wz6=8BBx4i1JTkv2h-LCbjE11UJkcz_NEA@mail.gmail.com>
Em Tue, Dec 03, 2019 at 07:20:08PM +0530, Naresh Kamboju escreveu:
> Hi Arnaldo,
>
> FYI,
>
> On Wed, 27 Nov 2019 at 19:15, Arnaldo Carvalho de Melo
> <arnaldo.melo@gmail.com> wrote:
> >
> > Another fix I'm carrying in my perf/core branch,
> >
> > Regards,
> >
> > - Arnaldo
> >
> > commit 98bb09f90a0ae33125fabc8f41529345382f1498
> > Author: Arnaldo Carvalho de Melo <acme@redhat.com>
> > Date: Wed Nov 27 09:26:54 2019 -0300
> >
> > libbpf: Use PRIu64 for sym->st_value to fix build on 32-bit arches
> >
> > The st_value field is a 64-bit value, so use PRIu64 to fix this error on
> > 32-bit arches:
> >
> > In file included from libbpf.c:52:
> > libbpf.c: In function 'bpf_program__record_reloc':
> > libbpf_internal.h:59:22: error: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'Elf64_Addr' {aka 'const long long unsigned int'} [-Werror=format=]
> > libbpf_print(level, "libbpf: " fmt, ##__VA_ARGS__); \
> > ^~~~~~~~~~
> > libbpf_internal.h:62:27: note: in expansion of macro '__pr'
> > #define pr_warn(fmt, ...) __pr(LIBBPF_WARN, fmt, ##__VA_ARGS__)
> > ^~~~
> > libbpf.c:1822:4: note: in expansion of macro 'pr_warn'
> > pr_warn("bad call relo offset: %lu\n", sym->st_value);
> > ^~~~~~~
> > libbpf.c:1822:37: note: format string is defined here
> > pr_warn("bad call relo offset: %lu\n", sym->st_value);
> > ~~^
> > %llu
>
> This build error is been noticed on Linux mainline kernel for 32-bit
> architectures from Nov 26.
Right, the fix is in the bpf tree:
https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git/commit/?id=7c3977d1e804
Should go upstream soon.
- Arnaldo
> Full build log,
> https://ci.linaro.org/job/openembedded-lkft-linux-mainline/DISTRO=lkft,MACHINE=intel-core2-32,label=docker-lkft/2297/consoleText
> https://ci.linaro.org/job/openembedded-lkft-linux-mainline/
>
> - Naresh
--
- Arnaldo
next prev parent reply other threads:[~2019-12-03 14:41 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-26 15:10 [PATCH] libbpf: Fix up generation of bpf_helper_defs.h Arnaldo Carvalho de Melo
2019-11-26 15:48 ` Arnaldo Carvalho de Melo
2019-11-26 16:38 ` Toke Høiland-Jørgensen
2019-11-26 18:34 ` Arnaldo Carvalho de Melo
2019-11-26 18:50 ` Toke Høiland-Jørgensen
2019-11-26 19:04 ` Arnaldo Carvalho de Melo
2019-11-26 22:05 ` Andrii Nakryiko
2019-11-26 22:10 ` Arnaldo Carvalho de Melo
2019-11-26 22:17 ` Arnaldo Carvalho de Melo
2019-11-26 22:38 ` Andrii Nakryiko
2019-11-26 23:10 ` Stanislav Fomichev
2019-11-26 23:52 ` Jakub Kicinski
2019-11-27 1:39 ` Arnaldo Carvalho de Melo
2019-11-27 13:45 ` [PATCH] libbpf: Use PRIu64 for sym->st_value to fix build on 32-bit arches Arnaldo Carvalho de Melo
2019-11-27 16:39 ` Alexei Starovoitov
2019-11-27 18:45 ` Arnaldo Carvalho de Melo
2019-11-27 18:55 ` Alexei Starovoitov
2019-11-27 19:39 ` Arnaldo Carvalho de Melo
2019-11-27 19:33 ` Alexei Starovoitov
2019-12-03 13:50 ` Naresh Kamboju
2019-12-03 14:41 ` Arnaldo Carvalho de Melo [this message]
2019-11-28 0:31 ` [PATCH] libbpf: Fix up generation of bpf_helper_defs.h Alexei Starovoitov
2019-11-28 0:51 ` Arnaldo Carvalho de Melo
2019-11-28 0:59 ` Alexei Starovoitov
2019-11-28 1:17 ` Arnaldo Carvalho de Melo
2019-11-28 1:20 ` Alexei Starovoitov
2019-11-28 1:27 ` Arnaldo Carvalho de Melo
2019-11-28 1:52 ` Alexei Starovoitov
2019-11-26 16:53 ` Alexei Starovoitov
2019-11-26 18:30 ` Arnaldo Carvalho de Melo
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