linux-kernel - Re: [PATCH v8 8/8] kselftests: Add tests for the preemptoff and irqsoff tracers

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Message-ID: <201805311418.7PnmvmRl%fengguang.wu@intel.com>
Date:   Thu, 31 May 2018 14:45:35 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Joel Fernandes <joelaf@...gle.com>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        kernel-team@...roid.com,
        "Joel Fernandes (Google)" <joel@...lfernandes.org>,
        Boqun Feng <boqun.feng@...il.com>,
        Byungchul Park <byungchul.park@....com>,
        Erick Reyes <erickreyes@...gle.com>,
        Ingo Molnar <mingo@...hat.com>,
        Julia Cartwright <julia@...com>,
        linux-kselftest@...r.kernel.org,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Paul McKenney <paulmck@...ux.vnet.ibm.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Shuah Khan <shuah@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Thomas Glexiner <tglx@...utronix.de>,
        Todd Kjos <tkjos@...gle.com>,
        Tom Zanussi <tom.zanussi@...ux.intel.com>
Subject: Re: [PATCH v8 8/8] kselftests: Add tests for the preemptoff and
 irqsoff tracers

Hi Joel,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v4.17-rc7]
[cannot apply to next-20180530]
[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/Centralize-and-unify-usage-of-preempt-irq-tracepoints/20180531-093357


coccinelle warnings: (new ones prefixed by >>)

>> lib/test_atomic_sections.c:66:1-3: WARNING: PTR_ERR_OR_ZERO can be used

Please review and possibly fold the followup patch.

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