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Fri, 14 Jan 2022 03:14:04 GMT Received: from d06av21.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3317252050; Fri, 14 Jan 2022 03:14:04 +0000 (GMT) Received: from localhost.localdomain (unknown [9.211.120.106]) by d06av21.portsmouth.uk.ibm.com (Postfix) with ESMTP id 71AC45204E; Fri, 14 Jan 2022 03:14:00 +0000 (GMT) From: Athira Rajeev To: mpe@ellerman.id.au Subject: [PATCH] powerpc/perf: Fix power_pmu_wants_prompt_pmi to be defined only for CONFIG_PPC64 Date: Fri, 14 Jan 2022 08:43:55 +0530 Message-Id: <20220114031355.87480-1-atrajeev@linux.vnet.ibm.com> X-Mailer: git-send-email 2.33.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: -fxXjOzM58V_1lHji7JjWHg1bgWgZSha X-Proofpoint-ORIG-GUID: HRRkW_ZmKx2jBVGjL7Jf8fM7vMDsbzWe Content-Transfer-Encoding: 8bit X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.816,Hydra:6.0.425,FMLib:17.11.62.513 definitions=2022-01-14_01,2022-01-13_01,2021-12-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 suspectscore=0 priorityscore=1501 mlxlogscore=923 spamscore=0 clxscore=1015 adultscore=0 phishscore=0 lowpriorityscore=0 malwarescore=0 mlxscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2110150000 definitions=main-2201140018 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kjain@linux.ibm.com, maddy@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org, npiggin@gmail.com, rnsastry@linux.ibm.com Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" power_pmu_wants_prompt_pmi is used to decide if PMI should be taken prompt. This is valid only for ppc64 and is used in CONFIG_PPC_BOOK3S_64 context. Hence include the function under config check for PPC64 Fixes warning for 32-bit compilation: >> arch/powerpc/perf/core-book3s.c:2455:6: warning: no previous prototype for 'power_pmu_wants_prompt_pmi' [-Wmissing-prototypes] 2455 | bool power_pmu_wants_prompt_pmi(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ Fixes: 5a7745b96f43 ("powerpc/64s/perf: add power_pmu_wants_prompt_pmi to say whether perf wants PMIs to be soft-NMI") Signed-off-by: Athira Rajeev Reviewed-by: Nicholas Piggin Reported-by: kernel test robot --- Note: Address compilation warning reported here: https://lore.kernel.org/lkml/202112220137.X16y07Dp-lkp@intel.com/ Patch is based on powerpc/merge arch/powerpc/perf/core-book3s.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c index a684901b6965..b7160fae58c6 100644 --- a/arch/powerpc/perf/core-book3s.c +++ b/arch/powerpc/perf/core-book3s.c @@ -2452,6 +2452,7 @@ static void perf_event_interrupt(struct pt_regs *regs) * could possibly return false if only events are being counted rather than * samples being taken, but for now this is good enough. */ +#ifdef CONFIG_PPC64 bool power_pmu_wants_prompt_pmi(void) { struct cpu_hw_events *cpuhw; @@ -2467,6 +2468,7 @@ bool power_pmu_wants_prompt_pmi(void) cpuhw = this_cpu_ptr(&cpu_hw_events); return cpuhw->n_events; } +#endif static int power_pmu_prepare_cpu(unsigned int cpu) { -- 2.33.0