From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AF13221E097 for ; Wed, 5 Nov 2025 23:14:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.14 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762384482; cv=none; b=bCE26tLOClfFtCmjWPwRr1Eb1IBeZLhX4NAWeEDT7XDnKaElYYmL0MutqdTgGC+RZXSCNU4owrOmm45r6r723x0i3Po0WO59fFkWsIvaKCjICD01oEePJz6mC9xXriA5yDPbQeChQ2j8KBRYlZbyR0wzZryhQD39hwPyJ3Z+fSI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762384482; c=relaxed/simple; bh=uf535fQO/FS0U1Jufpp8ll10xTRap8401hcvSvVL/RQ=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=YjwUpePqNwpyBPy+Hd+4014f3HtUTOgJVVpb+I8fu9cr0ZDXp+E90GtGXJNGgToqlz0SpsWtgpg3FZedKgMJWTaAze7Qp6gjWVMcVcsSS6HhH1Eu4lzT5//pIGmPCwM5Fp8G5gNgtpCcJv5BHS9aFV03Kjqjjd5Grr5YwpkQa0E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=kM4hTZxq; arc=none smtp.client-ip=192.198.163.14 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="kM4hTZxq" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1762384480; x=1793920480; h=date:from:to:cc:subject:message-id:mime-version: content-transfer-encoding; bh=uf535fQO/FS0U1Jufpp8ll10xTRap8401hcvSvVL/RQ=; b=kM4hTZxqOS0Lam8XLiebhD5/o+FeSIFOtClFxWBLVfRlxZGGEldIJAHe j2jsUmHVA76YMgsFFkU2zA8daK0TeMrqepBviZ30K686JNTiGVJX3pwsJ zsqgOS+BTZkdCRBQOhDiGD62hu5/JvOJF9RtfoKC1PYCZb2tAToBh9wDN u+xC6xD4tgSFcBGXTYjJpXXOT+2MOTYJQgnAa1O/voTnObBuuH5mVkpUb PNTqvrKDAN2y/VtnSH+J+XgunCMVBnQC/Oenh7ZRPcFkjlXEjdDRnkMD9 9aFXbIP/A8mnB0t3dI0+PYt2pdvNBeUNDI1Tj50z2xz8bWTp4ZuTQDuRg w==; X-CSE-ConnectionGUID: i8NUJbdzSimivGopo4XLEQ== X-CSE-MsgGUID: gPX+SPqbTQeQMmoRYrnR5w== X-IronPort-AV: E=McAfee;i="6800,10657,11604"; a="64547140" X-IronPort-AV: E=Sophos;i="6.19,283,1754982000"; d="scan'208";a="64547140" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Nov 2025 15:10:19 -0800 X-CSE-ConnectionGUID: vUXyed9NSOy53qrp5X436g== X-CSE-MsgGUID: Mpj2obNKRK+Uq9tc0S+PNw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,283,1754982000"; d="scan'208";a="187537064" Received: from lkp-server02.sh.intel.com (HELO 66d7546c76b2) ([10.239.97.151]) by orviesa007.jf.intel.com with ESMTP; 05 Nov 2025 15:10:19 -0800 Received: from kbuild by 66d7546c76b2 with local (Exim 4.96) (envelope-from ) id 1vGmdZ-000TDo-1q; Wed, 05 Nov 2025 23:10:02 +0000 Date: Thu, 6 Nov 2025 07:08:45 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com, Dan Carpenter Subject: Re: [PATCH v4 04/28] drm/xe/pf: Add save/restore control state stubs and connect to debugfs Message-ID: <202511060745.V5s5AlIB-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev In-Reply-To: <20251105151027.540712-5-michal.winiarski@intel.com> References: <20251105151027.540712-5-michal.winiarski@intel.com> TO: "Michał Winiarski" TO: Alex Williamson TO: Lucas De Marchi TO: "Thomas Hellström" TO: Rodrigo Vivi TO: Jason Gunthorpe TO: Yishai Hadas TO: Kevin Tian TO: Shameer Kolothum TO: intel-xe@lists.freedesktop.org TO: linux-kernel@vger.kernel.org TO: kvm@vger.kernel.org TO: Matthew Brost TO: Michal Wajdeczko CC: dri-devel@lists.freedesktop.org CC: Jani Nikula CC: Joonas Lahtinen CC: Tvrtko Ursulin CC: David Airlie CC: Simona Vetter CC: Lukasz Laguna CC: Christoph Hellwig CC: "Michał Winiarski" Hi Michał, kernel test robot noticed the following build warnings: [auto build test WARNING on drm-xe/drm-xe-next] [also build test WARNING on next-20251105] [cannot apply to awilliam-vfio/next awilliam-vfio/for-linus drm-i915/for-linux-next drm-i915/for-linux-next-fixes linus/master v6.18-rc4] [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/Micha-Winiarski/drm-xe-pf-Remove-GuC-version-check-for-migration-support/20251105-234203 base: https://gitlab.freedesktop.org/drm/xe/kernel.git drm-xe-next patch link: https://lore.kernel.org/r/20251105151027.540712-5-michal.winiarski%40intel.com patch subject: [PATCH v4 04/28] drm/xe/pf: Add save/restore control state stubs and connect to debugfs :::::: branch date: 7 hours ago :::::: commit date: 7 hours ago config: alpha-randconfig-r072-20251106 (https://download.01.org/0day-ci/archive/20251106/202511060745.V5s5AlIB-lkp@intel.com/config) compiler: alpha-linux-gcc (GCC) 8.5.0 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 | Reported-by: Dan Carpenter | Closes: https://lore.kernel.org/r/202511060745.V5s5AlIB-lkp@intel.com/ smatch warnings: drivers/gpu/drm/xe/xe_sriov_pf_control.c:198 xe_sriov_pf_control_finish_save_vf() error: uninitialized symbol 'ret'. drivers/gpu/drm/xe/xe_sriov_pf_control.c:222 xe_sriov_pf_control_trigger_restore_vf() error: uninitialized symbol 'ret'. drivers/gpu/drm/xe/xe_sriov_pf_control.c:246 xe_sriov_pf_control_finish_restore_vf() error: uninitialized symbol 'ret'. vim +/ret +198 drivers/gpu/drm/xe/xe_sriov_pf_control.c 33b59ab90959e2 Michał Winiarski 2025-11-05 176 33b59ab90959e2 Michał Winiarski 2025-11-05 177 /** 33b59ab90959e2 Michał Winiarski 2025-11-05 178 * xe_sriov_pf_control_finish_save_vf - Complete a VF migration data SAVE sequence on all GTs. 33b59ab90959e2 Michał Winiarski 2025-11-05 179 * @xe: the &xe_device 33b59ab90959e2 Michał Winiarski 2025-11-05 180 * @vfid: the VF identifier 33b59ab90959e2 Michał Winiarski 2025-11-05 181 * 33b59ab90959e2 Michał Winiarski 2025-11-05 182 * This function is for PF only. 33b59ab90959e2 Michał Winiarski 2025-11-05 183 * 33b59ab90959e2 Michał Winiarski 2025-11-05 184 * Return: 0 on success or a negative error code on failure. 33b59ab90959e2 Michał Winiarski 2025-11-05 185 */ 33b59ab90959e2 Michał Winiarski 2025-11-05 186 int xe_sriov_pf_control_finish_save_vf(struct xe_device *xe, unsigned int vfid) 33b59ab90959e2 Michał Winiarski 2025-11-05 187 { 33b59ab90959e2 Michał Winiarski 2025-11-05 188 struct xe_gt *gt; 33b59ab90959e2 Michał Winiarski 2025-11-05 189 unsigned int id; 33b59ab90959e2 Michał Winiarski 2025-11-05 190 int ret; 33b59ab90959e2 Michał Winiarski 2025-11-05 191 33b59ab90959e2 Michał Winiarski 2025-11-05 192 for_each_gt(gt, xe, id) { 33b59ab90959e2 Michał Winiarski 2025-11-05 193 ret = xe_gt_sriov_pf_control_finish_save_vf(gt, vfid); 33b59ab90959e2 Michał Winiarski 2025-11-05 194 if (ret) 33b59ab90959e2 Michał Winiarski 2025-11-05 195 break; 33b59ab90959e2 Michał Winiarski 2025-11-05 196 } 33b59ab90959e2 Michał Winiarski 2025-11-05 197 33b59ab90959e2 Michał Winiarski 2025-11-05 @198 return ret; 33b59ab90959e2 Michał Winiarski 2025-11-05 199 } 33b59ab90959e2 Michał Winiarski 2025-11-05 200 33b59ab90959e2 Michał Winiarski 2025-11-05 201 /** 33b59ab90959e2 Michał Winiarski 2025-11-05 202 * xe_sriov_pf_control_trigger_restore_vf - Start a VF migration data RESTORE sequence on all GTs. 33b59ab90959e2 Michał Winiarski 2025-11-05 203 * @xe: the &xe_device 33b59ab90959e2 Michał Winiarski 2025-11-05 204 * @vfid: the VF identifier 33b59ab90959e2 Michał Winiarski 2025-11-05 205 * 33b59ab90959e2 Michał Winiarski 2025-11-05 206 * This function is for PF only. 33b59ab90959e2 Michał Winiarski 2025-11-05 207 * 33b59ab90959e2 Michał Winiarski 2025-11-05 208 * Return: 0 on success or a negative error code on failure. 33b59ab90959e2 Michał Winiarski 2025-11-05 209 */ 33b59ab90959e2 Michał Winiarski 2025-11-05 210 int xe_sriov_pf_control_trigger_restore_vf(struct xe_device *xe, unsigned int vfid) 33b59ab90959e2 Michał Winiarski 2025-11-05 211 { 33b59ab90959e2 Michał Winiarski 2025-11-05 212 struct xe_gt *gt; 33b59ab90959e2 Michał Winiarski 2025-11-05 213 unsigned int id; 33b59ab90959e2 Michał Winiarski 2025-11-05 214 int ret; 33b59ab90959e2 Michał Winiarski 2025-11-05 215 33b59ab90959e2 Michał Winiarski 2025-11-05 216 for_each_gt(gt, xe, id) { 33b59ab90959e2 Michał Winiarski 2025-11-05 217 ret = xe_gt_sriov_pf_control_trigger_restore_vf(gt, vfid); 33b59ab90959e2 Michał Winiarski 2025-11-05 218 if (ret) 33b59ab90959e2 Michał Winiarski 2025-11-05 219 return ret; 33b59ab90959e2 Michał Winiarski 2025-11-05 220 } 33b59ab90959e2 Michał Winiarski 2025-11-05 221 33b59ab90959e2 Michał Winiarski 2025-11-05 @222 return ret; 33b59ab90959e2 Michał Winiarski 2025-11-05 223 } 33b59ab90959e2 Michał Winiarski 2025-11-05 224 33b59ab90959e2 Michał Winiarski 2025-11-05 225 /** 33b59ab90959e2 Michał Winiarski 2025-11-05 226 * xe_sriov_pf_control_wait_restore_vf - Complete a VF migration data RESTORE sequence in all GTs. 33b59ab90959e2 Michał Winiarski 2025-11-05 227 * @xe: the &xe_device 33b59ab90959e2 Michał Winiarski 2025-11-05 228 * @vfid: the VF identifier 33b59ab90959e2 Michał Winiarski 2025-11-05 229 * 33b59ab90959e2 Michał Winiarski 2025-11-05 230 * This function is for PF only. 33b59ab90959e2 Michał Winiarski 2025-11-05 231 * 33b59ab90959e2 Michał Winiarski 2025-11-05 232 * Return: 0 on success or a negative error code on failure. 33b59ab90959e2 Michał Winiarski 2025-11-05 233 */ 33b59ab90959e2 Michał Winiarski 2025-11-05 234 int xe_sriov_pf_control_finish_restore_vf(struct xe_device *xe, unsigned int vfid) 33b59ab90959e2 Michał Winiarski 2025-11-05 235 { 33b59ab90959e2 Michał Winiarski 2025-11-05 236 struct xe_gt *gt; 33b59ab90959e2 Michał Winiarski 2025-11-05 237 unsigned int id; 33b59ab90959e2 Michał Winiarski 2025-11-05 238 int ret; 33b59ab90959e2 Michał Winiarski 2025-11-05 239 33b59ab90959e2 Michał Winiarski 2025-11-05 240 for_each_gt(gt, xe, id) { 33b59ab90959e2 Michał Winiarski 2025-11-05 241 ret = xe_gt_sriov_pf_control_finish_restore_vf(gt, vfid); 33b59ab90959e2 Michał Winiarski 2025-11-05 242 if (ret) 33b59ab90959e2 Michał Winiarski 2025-11-05 243 break; 33b59ab90959e2 Michał Winiarski 2025-11-05 244 } 33b59ab90959e2 Michał Winiarski 2025-11-05 245 33b59ab90959e2 Michał Winiarski 2025-11-05 @246 return ret; -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki