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Message-ID: <201907020214.bB70pmmk%lkp@intel.com>
Date: Tue, 2 Jul 2019 02:46:37 +0800
From: kbuild test robot <lkp@...el.com>
To: "Joel Fernandes (Google)" <joel@...lfernandes.org>
Cc: kbuild-all@...org, linux-kernel@...r.kernel.org,
"Joel Fernandes (Google)" <joel@...lfernandes.org>,
mathieu.desnoyers@...icios.com, willy@...radead.org,
peterz@...radead.org, will.deacon@....com,
paulmck@...ux.vnet.ibm.com, elena.reshetova@...el.com,
keescook@...omium.org, kernel-team@...roid.com,
kernel-hardening@...ts.openwall.com,
Andrew Morton <akpm@...ux-foundation.org>,
"Eric W. Biederman" <ebiederm@...ssion.com>,
Michal Hocko <mhocko@...e.com>, Oleg Nesterov <oleg@...hat.com>,
Stephen Rothwell <sfr@...b.auug.org.au>
Subject: Re: [PATCH v2] Convert struct pid count to refcount_t
Hi "Joel,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on linus/master]
[also build test WARNING on v5.2-rc6]
[cannot apply to next-20190625]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Joel-Fernandes-Google/Convert-struct-pid-count-to-refcount_t/20190702-003517
config: riscv-allnoconfig (attached as .config)
compiler: riscv64-linux-gcc (GCC) 7.4.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=7.4.0 make.cross ARCH=riscv
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
>> kernel/pid.c:44:30: warning: missing braces around initializer [-Wmissing-braces]
struct pid init_struct_pid = {
^
>> kernel/pid.c:44:30: warning: missing braces around initializer [-Wmissing-braces]
>> kernel/pid.c:44:30: warning: missing braces around initializer [-Wmissing-braces]
>> kernel/pid.c:44:30: warning: missing braces around initializer [-Wmissing-braces]
>> kernel/pid.c:44:30: warning: missing braces around initializer [-Wmissing-braces]
vim +44 kernel/pid.c
^1da177e Linus Torvalds 2005-04-16 43
e1e871af David Howells 2018-01-02 @44 struct pid init_struct_pid = {
e1e871af David Howells 2018-01-02 45 .count = ATOMIC_INIT(1),
e1e871af David Howells 2018-01-02 46 .tasks = {
e1e871af David Howells 2018-01-02 47 { .first = NULL },
e1e871af David Howells 2018-01-02 48 { .first = NULL },
e1e871af David Howells 2018-01-02 49 { .first = NULL },
e1e871af David Howells 2018-01-02 50 },
e1e871af David Howells 2018-01-02 51 .level = 0,
e1e871af David Howells 2018-01-02 52 .numbers = { {
e1e871af David Howells 2018-01-02 53 .nr = 0,
e1e871af David Howells 2018-01-02 54 .ns = &init_pid_ns,
e1e871af David Howells 2018-01-02 55 }, }
e1e871af David Howells 2018-01-02 56 };
^1da177e Linus Torvalds 2005-04-16 57
:::::: The code at line 44 was first introduced by commit
:::::: e1e871aff3ded26348c631b1370e257d401cd22d Expand INIT_STRUCT_PID and remove
:::::: TO: David Howells <dhowells@...hat.com>
:::::: CC: David Howells <dhowells@...hat.com>
---
0-DAY kernel test infrastructure Open Source Technology Center
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