Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Date:   Thu, 17 Nov 2022 09:18:16 +0100
From:   Peter Zijlstra <peterz@infradead.org>
To:     Ravi Bangoria <ravi.bangoria@amd.com>
Cc:     x86-ml <x86@kernel.org>, linux-kernel@vger.kernel.org,
        kernel test robot <lkp@intel.com>
Subject: Re: [tip:perf/core] BUILD SUCCESS WITH WARNING
 e8d7a90c08ce963c592fb49845f2ccc606a2ac21
Message-ID: <Y3XuSNJseSRckyHn@hirez.programming.kicks-ass.net>
References: <637553b5.ebdZY+lvkXPfAk1E%lkp@intel.com>
 <Y3VYQtTSJDpwKZR5@hirez.programming.kicks-ass.net>
 <a2feaf02-4b36-f86f-b6ff-018aafe81fac@amd.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <a2feaf02-4b36-f86f-b6ff-018aafe81fac@amd.com>
Precedence: bulk

On Thu, Nov 17, 2022 at 09:26:49AM +0530, Ravi Bangoria wrote:
> Hi Peter,
> 
> >> kernel/events/core.c:11274:4: warning: cast from 'int (*)(struct perf_cpu_pmu_context *)' to 'remote_function_f' (aka 'int (*)(void *)') converts to incompatible function type [-Wcast-function-type-strict]
> >>
> >> Warning ids grouped by kconfigs:
> >>
> >> clang_recent_errors
> >> |-- hexagon-randconfig-r001-20221116
> >> |   `-- kernel-events-core.c:warning:cast-from-int-(-)(struct-perf_cpu_pmu_context-)-to-remote_function_f-(aka-int-(-)(void-)-)-converts-to-incompatible-function-type
> >> |-- hexagon-randconfig-r005-20221116
> >> |   `-- kernel-events-core.c:warning:cast-from-int-(-)(struct-perf_cpu_pmu_context-)-to-remote_function_f-(aka-int-(-)(void-)-)-converts-to-incompatible-function-type
> >> `-- s390-randconfig-r012-20221116
> >>     `-- kernel-events-core.c:warning:cast-from-int-(-)(struct-perf_cpu_pmu_context-)-to-remote_function_f-(aka-int-(-)(void-)-)-converts-to-incompatible-function-type
> > 
> > Robot guys; why don't I have a report of this warning?
> 
> https://lore.kernel.org/all/202211041643.J58xvn1k-lkp@intel.com

Hurgh, clearly I can't even search :/

> I'll prepare and post a fix.

Already did that last night:

  https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?h=perf/core&id=3aed27110419792e8e26ba3aed1dd9462975cc6e