From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) (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 05A943603C3 for ; Sun, 30 Aug 2026 06:46:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788072369; cv=none; b=E6liEdto9tVYTZ0+O/khHbfHbaVC92qX+fKD2eDvHD6CoBM3lrLNOysyOI+vrygDUXaTwAdJ1NmSm9mxF9vYw6EZhMYgg1rMWIEp8Hsigl+g5aQD3hCeL5ximC5YdpGW64t3R6wfQS39vXn5UcT4D3CwXJJXfKXUfbPD/O1tAl8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788072369; c=relaxed/simple; bh=ZUOqjr5WeYIRJxbPEu7dfvIx7u/Uifd+Q+Ib+bCyBew=; h=Date:From:To:Cc:Subject:Message-ID; b=YSDIuMMVTywxtBGZCWLT9Z74XN1oSbWysH/xaMexySZK6vJ9acPchNVnjSDw5HLSXFgVtPkDzVlZ5+mjmr4aLM+3jqAw00OyPIaMYzkGtunthnZihCYAD51grJ/X+sujV3lMh2Z7j6VBi+BHiOGiLJ0YlF/PN8APwgRhhWCQOng= 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=DDe9Mqvd; arc=none smtp.client-ip=192.198.163.9 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="DDe9Mqvd" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1788072366; x=1819608366; h=date:from:to:cc:subject:message-id; bh=ZUOqjr5WeYIRJxbPEu7dfvIx7u/Uifd+Q+Ib+bCyBew=; b=DDe9MqvdCRpYcx0Plg8f1mL3XHxAio+tgUmd6OOB327/QWVv92llrLSp gTshCPUlQWL9qpyLgb+6JTLkUjEQvxvsErSYX5Twv83w6cuCDccFffFUl f9rG1q9PtJRTY5wQoeSCOIDZSqAhPUSrkPhlBjXJZ8cXqBgWAWJhJeTD8 K8WS/u3n++7tOahMuvY6si54UKObYLveNC61/RMv6o8BCZ9hzC8N7K1qT 724hRI57HrU+wRyQO26paAOyygsNE8sm3uxvru6zXeZIuYbJ2EVmRrLx/ e/KXXPr2Qd741Lj983oL/KICB2tREvwLHENE1Wb1KBLAb/s3KJsrKfAi6 w==; X-CSE-ConnectionGUID: 1+laJaocSrmvOKrUoePU6w== X-CSE-MsgGUID: JL2o6g3mSQKSqK1JZYt+gA== X-IronPort-AV: E=McAfee;i="6800,10657,11890"; a="99177012" X-IronPort-AV: E=Sophos;i="6.25,251,1779174000"; d="scan'208";a="99177012" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Aug 2026 23:46:05 -0700 X-CSE-ConnectionGUID: DDMGnxwJShuBhPRAHw4btg== X-CSE-MsgGUID: 3DYItJL7R+qFmbM1/HHw8g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,251,1779174000"; d="scan'208";a="264771936" Received: from lkp-server01.sh.intel.com (HELO 3532383e6126) ([10.239.97.150]) by fmviesa010.fm.intel.com with ESMTP; 29 Aug 2026 23:46:04 -0700 Received: from kbuild by 3532383e6126 with local (Exim 4.98.2) (envelope-from ) id 1x0ZIn-00000000Dem-2kxl; Sun, 30 Aug 2026 06:46:01 +0000 Date: Sun, 30 Aug 2026 14:45:50 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com Subject: [zen:7.2/zen-sauce 4/26] fs/btrfs/scrub.c:2576:24: warning: 'offset' may be used uninitialized Message-ID: <202608301447.1DDA5Sv0-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: :::::: :::::: Manual check reason: "likely FALSE maybe-used-uninitialized warning on old compiler" :::::: BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev TO: steven@liquorix.net tree: https://github.com/zen-kernel/zen-kernel 7.2/zen-sauce head: 299e73098bef8870b60c6ce830084457d222b0f5 commit: 4552ae443b368caad94ec1a5dfb1e92047dc62a6 [4/26] ZEN: Restore CONFIG_OPTIMIZE_FOR_PERFORMANCE_O3 :::::: branch date: 2 days ago :::::: commit date: 2 days ago config: um-randconfig-r134-20260829 (https://download.01.org/0day-ci/archive/20260830/202608301447.1DDA5Sv0-lkp@intel.com/config) compiler: gcc-12 (Debian 12.4.0-5) 12.4.0 sparse: v0.6.5-rc1 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260830/202608301447.1DDA5Sv0-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/r/202608301447.1DDA5Sv0-lkp@intel.com/ Note: it may well be a FALSE warning. FWIW you are at least aware of it now. http://gcc.gnu.org/wiki/Better_Uninitialized_Warnings All warnings (new ones prefixed by >>): fs/btrfs/scrub.c: In function 'scrub_stripe': >> fs/btrfs/scrub.c:2576:24: warning: 'offset' may be used uninitialized [-Wmaybe-uninitialized] 2576 | ret2 = sync_write_pointer_for_zoned(sctx, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2577 | chunk_logical + offset, | ~~~~~~~~~~~~~~~~~~~~~~~ 2578 | map->stripes[stripe_index].physical, | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2579 | physical_end); | ~~~~~~~~~~~~~ fs/btrfs/scrub.c:2444:13: note: 'offset' was declared here 2444 | u64 offset; | ^~~~~~ vim +/offset +2576 fs/btrfs/scrub.c 8557635ed2b04b Qu Wenruo 2022-03-11 2424 d9d181c1ba7aa0 Stefan Behrens 2012-11-02 2425 static noinline_for_stack int scrub_stripe(struct scrub_ctx *sctx, 2ae8ae3d3def4c Qu Wenruo 2021-12-15 2426 struct btrfs_block_group *bg, 7dc66abb5a4777 Filipe Manana 2023-11-21 2427 struct btrfs_chunk_map *map, a36cf8b8933e4a Stefan Behrens 2012-11-02 2428 struct btrfs_device *scrub_dev, bc88b486d54b2a Qu Wenruo 2022-05-13 2429 int stripe_index) a2de733c78fa7a Arne Jansen 2011-03-08 2430 { fb456252d3d9c0 Jeff Mahoney 2016-06-22 2431 struct btrfs_fs_info *fs_info = sctx->fs_info; 09022b14fafc86 Qu Wenruo 2022-03-11 2432 const u64 profile = map->type & BTRFS_BLOCK_GROUP_PROFILE_MASK; 2ae8ae3d3def4c Qu Wenruo 2021-12-15 2433 const u64 chunk_logical = bg->start; a2de733c78fa7a Arne Jansen 2011-03-08 2434 int ret; 8eb3dd17eadd21 Qu Wenruo 2023-04-06 2435 int ret2; 1194a82481d8f3 Qu Wenruo 2022-03-11 2436 u64 physical = map->stripes[stripe_index].physical; 7dc66abb5a4777 Filipe Manana 2023-11-21 2437 const u64 dev_stripe_len = btrfs_calc_stripe_length(map); bc88b486d54b2a Qu Wenruo 2022-05-13 2438 const u64 physical_end = physical + dev_stripe_len; a2de733c78fa7a Arne Jansen 2011-03-08 2439 u64 logical; 625f1c8dc66d77 Liu Bo 2013-04-27 2440 u64 logic_end; 18d30ab961497f Qu Wenruo 2022-03-11 2441 /* The logical increment after finishing one stripe */ 5c07c53f2d273b Jiapeng Chong 2022-01-21 2442 u64 increment; 18d30ab961497f Qu Wenruo 2022-03-11 2443 /* Offset inside the chunk */ a2de733c78fa7a Arne Jansen 2011-03-08 2444 u64 offset; 5a6ac9eacb4914 Miao Xie 2014-11-06 2445 u64 stripe_logical; 53b381b3abeb86 David Woodhouse 2013-01-29 2446 1dc4888e725dc7 Qu Wenruo 2023-08-03 2447 /* Extent_path should be released by now. */ 1dc4888e725dc7 Qu Wenruo 2023-08-03 2448 ASSERT(sctx->extent_path.nodes[0] == NULL); 1dc4888e725dc7 Qu Wenruo 2023-08-03 2449 cb7ab02156e4ba Wang Shilong 2013-12-04 2450 scrub_blocked_if_needed(fs_info); a2de733c78fa7a Arne Jansen 2011-03-08 2451 de17addce7a20d Naohiro Aota 2021-02-04 2452 if (sctx->is_dev_replace && de17addce7a20d Naohiro Aota 2021-02-04 2453 btrfs_dev_is_sequential(sctx->wr_tgtdev, physical)) { de17addce7a20d Naohiro Aota 2021-02-04 2454 mutex_lock(&sctx->wr_lock); de17addce7a20d Naohiro Aota 2021-02-04 2455 sctx->write_pointer = physical; de17addce7a20d Naohiro Aota 2021-02-04 2456 mutex_unlock(&sctx->wr_lock); de17addce7a20d Naohiro Aota 2021-02-04 2457 } de17addce7a20d Naohiro Aota 2021-02-04 2458 1009254bf22a3f Qu Wenruo 2023-03-28 2459 /* Prepare the extra data stripes used by RAID56. */ 1009254bf22a3f Qu Wenruo 2023-03-28 2460 if (profile & BTRFS_BLOCK_GROUP_RAID56_MASK) { 1009254bf22a3f Qu Wenruo 2023-03-28 2461 ASSERT(sctx->raid56_data_stripes == NULL); 1009254bf22a3f Qu Wenruo 2023-03-28 2462 69050f8d6d075d Kees Cook 2026-02-20 2463 sctx->raid56_data_stripes = kzalloc_objs(struct scrub_stripe, 189f164e573e18 Kees Cook 2026-02-21 2464 nr_data_stripes(map)); 1009254bf22a3f Qu Wenruo 2023-03-28 2465 if (!sctx->raid56_data_stripes) { 1009254bf22a3f Qu Wenruo 2023-03-28 2466 ret = -ENOMEM; 1009254bf22a3f Qu Wenruo 2023-03-28 2467 goto out; 1009254bf22a3f Qu Wenruo 2023-03-28 2468 } 1009254bf22a3f Qu Wenruo 2023-03-28 2469 for (int i = 0; i < nr_data_stripes(map); i++) { 1009254bf22a3f Qu Wenruo 2023-03-28 2470 ret = init_scrub_stripe(fs_info, 1009254bf22a3f Qu Wenruo 2023-03-28 2471 &sctx->raid56_data_stripes[i]); 1009254bf22a3f Qu Wenruo 2023-03-28 2472 if (ret < 0) 1009254bf22a3f Qu Wenruo 2023-03-28 2473 goto out; 1009254bf22a3f Qu Wenruo 2023-03-28 2474 sctx->raid56_data_stripes[i].bg = bg; 1009254bf22a3f Qu Wenruo 2023-03-28 2475 sctx->raid56_data_stripes[i].sctx = sctx; 1009254bf22a3f Qu Wenruo 2023-03-28 2476 } 1009254bf22a3f Qu Wenruo 2023-03-28 2477 } 09022b14fafc86 Qu Wenruo 2022-03-11 2478 /* 09022b14fafc86 Qu Wenruo 2022-03-11 2479 * There used to be a big double loop to handle all profiles using the 09022b14fafc86 Qu Wenruo 2022-03-11 2480 * same routine, which grows larger and more gross over time. 09022b14fafc86 Qu Wenruo 2022-03-11 2481 * 09022b14fafc86 Qu Wenruo 2022-03-11 2482 * So here we handle each profile differently, so simpler profiles 09022b14fafc86 Qu Wenruo 2022-03-11 2483 * have simpler scrubbing function. 09022b14fafc86 Qu Wenruo 2022-03-11 2484 */ 09022b14fafc86 Qu Wenruo 2022-03-11 2485 if (!(profile & (BTRFS_BLOCK_GROUP_RAID0 | BTRFS_BLOCK_GROUP_RAID10 | 09022b14fafc86 Qu Wenruo 2022-03-11 2486 BTRFS_BLOCK_GROUP_RAID56_MASK))) { 09022b14fafc86 Qu Wenruo 2022-03-11 2487 /* 09022b14fafc86 Qu Wenruo 2022-03-11 2488 * Above check rules out all complex profile, the remaining 09022b14fafc86 Qu Wenruo 2022-03-11 2489 * profiles are SINGLE|DUP|RAID1|RAID1C*, which is simple 09022b14fafc86 Qu Wenruo 2022-03-11 2490 * mirrored duplication without stripe. 09022b14fafc86 Qu Wenruo 2022-03-11 2491 * 09022b14fafc86 Qu Wenruo 2022-03-11 2492 * Only @physical and @mirror_num needs to calculated using 09022b14fafc86 Qu Wenruo 2022-03-11 2493 * @stripe_index. 09022b14fafc86 Qu Wenruo 2022-03-11 2494 */ 887d417f0a57ea David Sterba 2024-10-09 2495 ret = scrub_simple_mirror(sctx, bg, bg->start, bg->length, 6b4d375a81551b Qu Wenruo 2023-01-16 2496 scrub_dev, map->stripes[stripe_index].physical, 09022b14fafc86 Qu Wenruo 2022-03-11 2497 stripe_index + 1); e430c4287ebdaf Qu Wenruo 2022-03-11 2498 offset = 0; 09022b14fafc86 Qu Wenruo 2022-03-11 2499 goto out; 09022b14fafc86 Qu Wenruo 2022-03-11 2500 } 8557635ed2b04b Qu Wenruo 2022-03-11 2501 if (profile & (BTRFS_BLOCK_GROUP_RAID0 | BTRFS_BLOCK_GROUP_RAID10)) { 6b4d375a81551b Qu Wenruo 2023-01-16 2502 ret = scrub_simple_stripe(sctx, bg, map, scrub_dev, stripe_index); cb091225a53800 Qu Wenruo 2023-06-22 2503 offset = btrfs_stripe_nr_to_offset(stripe_index / map->sub_stripes); 8557635ed2b04b Qu Wenruo 2022-03-11 2504 goto out; 8557635ed2b04b Qu Wenruo 2022-03-11 2505 } 8557635ed2b04b Qu Wenruo 2022-03-11 2506 8557635ed2b04b Qu Wenruo 2022-03-11 2507 /* Only RAID56 goes through the old code */ 8557635ed2b04b Qu Wenruo 2022-03-11 2508 ASSERT(map->type & BTRFS_BLOCK_GROUP_RAID56_MASK); a2de733c78fa7a Arne Jansen 2011-03-08 2509 ret = 0; e430c4287ebdaf Qu Wenruo 2022-03-11 2510 e430c4287ebdaf Qu Wenruo 2022-03-11 2511 /* Calculate the logical end of the stripe */ e430c4287ebdaf Qu Wenruo 2022-03-11 2512 get_raid56_logic_offset(physical_end, stripe_index, e430c4287ebdaf Qu Wenruo 2022-03-11 2513 map, &logic_end, NULL); e430c4287ebdaf Qu Wenruo 2022-03-11 2514 logic_end += chunk_logical; e430c4287ebdaf Qu Wenruo 2022-03-11 2515 e430c4287ebdaf Qu Wenruo 2022-03-11 2516 /* Initialize @offset in case we need to go to out: label */ e430c4287ebdaf Qu Wenruo 2022-03-11 2517 get_raid56_logic_offset(physical, stripe_index, map, &offset, NULL); cb091225a53800 Qu Wenruo 2023-06-22 2518 increment = btrfs_stripe_nr_to_offset(nr_data_stripes(map)); e430c4287ebdaf Qu Wenruo 2022-03-11 2519 a2de733c78fa7a Arne Jansen 2011-03-08 2520 /* 18d30ab961497f Qu Wenruo 2022-03-11 2521 * Due to the rotation, for RAID56 it's better to iterate each stripe 18d30ab961497f Qu Wenruo 2022-03-11 2522 * using their physical offset. a2de733c78fa7a Arne Jansen 2011-03-08 2523 */ 18d30ab961497f Qu Wenruo 2022-03-11 2524 while (physical < physical_end) { 18d30ab961497f Qu Wenruo 2022-03-11 2525 ret = get_raid56_logic_offset(physical, stripe_index, map, 18d30ab961497f Qu Wenruo 2022-03-11 2526 &logical, &stripe_logical); 2ae8ae3d3def4c Qu Wenruo 2021-12-15 2527 logical += chunk_logical; f2f66a2f886383 Zhao Lei 2015-07-21 2528 if (ret) { 7955323bdcab30 Zhao Lei 2015-08-18 2529 /* it is parity strip */ 2ae8ae3d3def4c Qu Wenruo 2021-12-15 2530 stripe_logical += chunk_logical; 1009254bf22a3f Qu Wenruo 2023-03-28 2531 ret = scrub_raid56_parity_stripe(sctx, scrub_dev, bg, 1009254bf22a3f Qu Wenruo 2023-03-28 2532 map, stripe_logical); 63447b7dd40c6a Qu Wenruo 2024-03-08 2533 spin_lock(&sctx->stat_lock); 63447b7dd40c6a Qu Wenruo 2024-03-08 2534 sctx->stat.last_physical = min(physical + BTRFS_STRIPE_LEN, 63447b7dd40c6a Qu Wenruo 2024-03-08 2535 physical_end); 63447b7dd40c6a Qu Wenruo 2024-03-08 2536 spin_unlock(&sctx->stat_lock); f2f66a2f886383 Zhao Lei 2015-07-21 2537 if (ret) f2f66a2f886383 Zhao Lei 2015-07-21 2538 goto out; d7cad2389560f3 Zhao Lei 2015-07-22 2539 goto next; 89490303a42942 Filipe Manana 2020-05-08 2540 } 625f1c8dc66d77 Liu Bo 2013-04-27 2541 3b080b2564287b Wang Shilong 2014-04-01 2542 /* 18d30ab961497f Qu Wenruo 2022-03-11 2543 * Now we're at a data stripe, scrub each extents in the range. 18d30ab961497f Qu Wenruo 2022-03-11 2544 * 18d30ab961497f Qu Wenruo 2022-03-11 2545 * At this stage, if we ignore the repair part, inside each data 18d30ab961497f Qu Wenruo 2022-03-11 2546 * stripe it is no different than SINGLE profile. 18d30ab961497f Qu Wenruo 2022-03-11 2547 * We can reuse scrub_simple_mirror() here, as the repair part 18d30ab961497f Qu Wenruo 2022-03-11 2548 * is still based on @mirror_num. 3b080b2564287b Wang Shilong 2014-04-01 2549 */ 887d417f0a57ea David Sterba 2024-10-09 2550 ret = scrub_simple_mirror(sctx, bg, logical, BTRFS_STRIPE_LEN, 18d30ab961497f Qu Wenruo 2022-03-11 2551 scrub_dev, physical, 1); 18d30ab961497f Qu Wenruo 2022-03-11 2552 if (ret < 0) 5a6ac9eacb4914 Miao Xie 2014-11-06 2553 goto out; a2de733c78fa7a Arne Jansen 2011-03-08 2554 next: a2de733c78fa7a Arne Jansen 2011-03-08 2555 logical += increment; a97699d1d61071 Qu Wenruo 2023-02-17 2556 physical += BTRFS_STRIPE_LEN; d9d181c1ba7aa0 Stefan Behrens 2012-11-02 2557 spin_lock(&sctx->stat_lock); d9d181c1ba7aa0 Stefan Behrens 2012-11-02 2558 sctx->stat.last_physical = physical; d9d181c1ba7aa0 Stefan Behrens 2012-11-02 2559 spin_unlock(&sctx->stat_lock); a2de733c78fa7a Arne Jansen 2011-03-08 2560 } ff023aac31198e Stefan Behrens 2012-11-06 2561 out: 8eb3dd17eadd21 Qu Wenruo 2023-04-06 2562 ret2 = flush_scrub_stripes(sctx); b50f2d048ecf15 Qu Wenruo 2023-06-14 2563 if (!ret) 8eb3dd17eadd21 Qu Wenruo 2023-04-06 2564 ret = ret2; 1dc4888e725dc7 Qu Wenruo 2023-08-03 2565 btrfs_release_path(&sctx->extent_path); 3c771c194402ff Qu Wenruo 2023-08-03 2566 btrfs_release_path(&sctx->csum_path); 1dc4888e725dc7 Qu Wenruo 2023-08-03 2567 1009254bf22a3f Qu Wenruo 2023-03-28 2568 if (sctx->raid56_data_stripes) { 1009254bf22a3f Qu Wenruo 2023-03-28 2569 for (int i = 0; i < nr_data_stripes(map); i++) 1009254bf22a3f Qu Wenruo 2023-03-28 2570 release_scrub_stripe(&sctx->raid56_data_stripes[i]); 1009254bf22a3f Qu Wenruo 2023-03-28 2571 kfree(sctx->raid56_data_stripes); 1009254bf22a3f Qu Wenruo 2023-03-28 2572 sctx->raid56_data_stripes = NULL; 1009254bf22a3f Qu Wenruo 2023-03-28 2573 } 7db1c5d14dcd52 Naohiro Aota 2021-02-04 2574 7db1c5d14dcd52 Naohiro Aota 2021-02-04 2575 if (sctx->is_dev_replace && ret >= 0) { 2ae8ae3d3def4c Qu Wenruo 2021-12-15 @2576 ret2 = sync_write_pointer_for_zoned(sctx, 2ae8ae3d3def4c Qu Wenruo 2021-12-15 2577 chunk_logical + offset, 2ae8ae3d3def4c Qu Wenruo 2021-12-15 2578 map->stripes[stripe_index].physical, 7db1c5d14dcd52 Naohiro Aota 2021-02-04 2579 physical_end); 7db1c5d14dcd52 Naohiro Aota 2021-02-04 2580 if (ret2) 7db1c5d14dcd52 Naohiro Aota 2021-02-04 2581 ret = ret2; 7db1c5d14dcd52 Naohiro Aota 2021-02-04 2582 } 7db1c5d14dcd52 Naohiro Aota 2021-02-04 2583 a2de733c78fa7a Arne Jansen 2011-03-08 2584 return ret < 0 ? ret : 0; a2de733c78fa7a Arne Jansen 2011-03-08 2585 } a2de733c78fa7a Arne Jansen 2011-03-08 2586 :::::: The code at line 2576 was first introduced by commit :::::: 2ae8ae3d3def4c3ba73a58cc2531c42f0916f14e btrfs: scrub: cleanup the argument list of scrub_stripe() :::::: TO: Qu Wenruo :::::: CC: David Sterba -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki