From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 394D9C5516F for ; Sat, 1 Aug 2026 01:02:06 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C491310E1ED; Sat, 1 Aug 2026 01:02:05 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="g48YrFK7"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) by gabe.freedesktop.org (Postfix) with ESMTPS id E486110E1ED; Sat, 1 Aug 2026 01:02:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1785546125; x=1817082125; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=8uami1JZ98jEEVX2RifxoHz17GVE7lLrJMHHTlwMkQc=; b=g48YrFK7Ahso3SgM6yzxtayQ5zn4yp2wE9Skkw+bL2TyLn13rfSl35SN XNtoCf/t3Px/LgJ06eW32zI7QiSHW4AObeWLNXEQ/69nPtwaw9OkEA34E knrdrVb8EpJ3eeWXwL3/ih5/PMpYLW09rHopB+4JyFEh+T/B4kGrhqt8v RjJzcyZfa/9vNZAk9nKBLFmpoyU4vyHT12F1cd3xGemGh4e8DkLeWi0h+ bKAkgNCku5I5kGf2ofIKdivV70pKHF52KVA9unVZ8zwqNsfobeEEEpm6W tRnfKmvcWmASfqEY5By1NPTZ6SyACmbOnNR8NtVP4Ihgy+sYJ1R3MhUDz w==; X-CSE-ConnectionGUID: trsDcGoXTyG1wConyGljXw== X-CSE-MsgGUID: tzHNXYHJSJyiiR079J2miA== X-IronPort-AV: E=McAfee;i="6800,10657,11861"; a="96760891" X-IronPort-AV: E=Sophos;i="6.25,197,1779174000"; d="scan'208";a="96760891" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Jul 2026 18:02:04 -0700 X-CSE-ConnectionGUID: vNZVlXgzQ560r01QjC7xRw== X-CSE-MsgGUID: 0BaM+TEsR2eQEwjWxo4+XQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,197,1779174000"; d="scan'208";a="258915099" Received: from lkp-server01.sh.intel.com (HELO 6eda058d650d) ([10.239.97.150]) by orviesa006.jf.intel.com with ESMTP; 31 Jul 2026 18:02:03 -0700 Received: from kbuild by 6eda058d650d with local (Exim 4.98.2) (envelope-from ) id 1wpy6y-000000002Vp-2Ywo; Sat, 01 Aug 2026 01:02:00 +0000 Date: Sat, 1 Aug 2026 09:01:42 +0800 From: kernel test robot To: Maarten Lankhorst , intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org Cc: oe-kbuild-all@lists.linux.dev, dri-devel@lists.freedesktop.org, Maarten Lankhorst Subject: Re: [PATCH v9.6] drm/i915: Disable "busy" pmu event on CONFIG_PREEMPT_RT Message-ID: <202608010845.CPpXaIeD-lkp@intel.com> References: <20260623132734.227322-1-dev@lankhorst.se> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260623132734.227322-1-dev@lankhorst.se> X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Hi Maarten, kernel test robot noticed the following build warnings: [auto build test WARNING on drm-i915/for-linux-next] [also build test WARNING on drm-i915/for-linux-next-fixes drm-tip/drm-tip drm/drm-next drm-misc/drm-misc-next daeinki-drm-exynos/exynos-drm-next linus/master v7.2-rc5 next-20260731] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Maarten-Lankhorst/drm-i915-Disable-busy-pmu-event-on-CONFIG_PREEMPT_RT/20260731-223850 base: https://gitlab.freedesktop.org/drm/i915/kernel.git for-linux-next patch link: https://lore.kernel.org/r/20260623132734.227322-1-dev%40lankhorst.se patch subject: [PATCH v9.6] drm/i915: Disable "busy" pmu event on CONFIG_PREEMPT_RT config: i386-randconfig-141-20260801 (https://download.01.org/0day-ci/archive/20260801/202608010845.CPpXaIeD-lkp@intel.com/config) compiler: clang version 22.1.3 (https://github.com/llvm/llvm-project e9846648fd6183ee6d8cbdb4502213fcf902a211) smatch: v0.5.0-9187-g5189e3fb reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260801/202608010845.CPpXaIeD-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202608010845.CPpXaIeD-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/i915/i915_pmu.c:560:2: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough] 560 | case I915_SAMPLE_WAIT: | ^ drivers/gpu/drm/i915/i915_pmu.c:560:2: note: insert 'break;' to avoid fall-through 560 | case I915_SAMPLE_WAIT: | ^ | break; 1 warning generated. vim +560 drivers/gpu/drm/i915/i915_pmu.c b46a33e271ed81b Tvrtko Ursulin 2017-11-21 550 109ec558370f781 Tvrtko Ursulin 2018-01-11 551 static int 109ec558370f781 Tvrtko Ursulin 2018-01-11 552 engine_event_status(struct intel_engine_cs *engine, 109ec558370f781 Tvrtko Ursulin 2018-01-11 553 enum drm_i915_pmu_engine_sample sample) b46a33e271ed81b Tvrtko Ursulin 2017-11-21 554 { 109ec558370f781 Tvrtko Ursulin 2018-01-11 555 switch (sample) { b46a33e271ed81b Tvrtko Ursulin 2017-11-21 556 case I915_SAMPLE_BUSY: ae7243df39c4099 Maarten Lankhorst 2026-06-23 557 /* The guc submission engine->busyness() callback has issues with CONFIG_PREEMPT_RT */ ae7243df39c4099 Maarten Lankhorst 2026-06-23 558 if (IS_ENABLED(CONFIG_PREEMPT_RT) && intel_uc_uses_guc_submission(&engine->gt->uc)) ae7243df39c4099 Maarten Lankhorst 2026-06-23 559 return -ENODEV; b46a33e271ed81b Tvrtko Ursulin 2017-11-21 @560 case I915_SAMPLE_WAIT: b46a33e271ed81b Tvrtko Ursulin 2017-11-21 561 break; b46a33e271ed81b Tvrtko Ursulin 2017-11-21 562 case I915_SAMPLE_SEMA: 651e7d48577ae28 Lucas De Marchi 2021-06-05 563 if (GRAPHICS_VER(engine->i915) < 6) 109ec558370f781 Tvrtko Ursulin 2018-01-11 564 return -ENODEV; 109ec558370f781 Tvrtko Ursulin 2018-01-11 565 break; 109ec558370f781 Tvrtko Ursulin 2018-01-11 566 default: 109ec558370f781 Tvrtko Ursulin 2018-01-11 567 return -ENOENT; 109ec558370f781 Tvrtko Ursulin 2018-01-11 568 } 109ec558370f781 Tvrtko Ursulin 2018-01-11 569 109ec558370f781 Tvrtko Ursulin 2018-01-11 570 return 0; 109ec558370f781 Tvrtko Ursulin 2018-01-11 571 } 109ec558370f781 Tvrtko Ursulin 2018-01-11 572 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki