From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0b-00069f02.pphosted.com (mx0b-00069f02.pphosted.com [205.220.177.32]) (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 D7ED03EB0E8; Fri, 11 Sep 2026 07:14:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=205.220.177.32 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789110865; cv=fail; b=J/l1cd/Qr5/eZDS1Jmj4jpbbG3q/cEHDnb5htI+Nu+tTptNd3uL3OZcdsKoEsEUCTAgUBp1tZIum2w88qY1WWbPurln+3bHygQgWRHZb1nBFIX9lRd1shZ/4unz9RToCrT6xiPC93oatisczrzsV+zR/Wu99BkEaObrOexXcEB0= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789110865; c=relaxed/simple; bh=nKfk4vAIwX7/RIzitYgEjQvZjongbfKHN8ZxxMJCVs8=; h=References:From:To:Cc:Subject:In-reply-to:Date:Message-ID: Content-Type:MIME-Version; b=G4G16uMnxL1T9AVxIHQe6Am0aCPqPEyApNiimQYl3UnrFHy/9QvhYl+1UPPuDQ8mcFnitUDNvF1UJtnief1VCFfNA2nxfQ9oZ+oLntwcRdGzR7UbxwSFn7SBB4Fiuk6obdZkUbEfJtnwRM5UBJ+eHVE0UNaAl/X1zEMOeEPjlnc= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oracle.com; spf=pass smtp.mailfrom=oracle.com; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b=q/VCNRYX; dkim=pass (1024-bit key) header.d=oracle.onmicrosoft.com header.i=@oracle.onmicrosoft.com header.b=BpqKVURa; arc=fail smtp.client-ip=205.220.177.32 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oracle.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oracle.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="q/VCNRYX"; dkim=pass (1024-bit key) header.d=oracle.onmicrosoft.com header.i=@oracle.onmicrosoft.com header.b="BpqKVURa" Received: from pps.filterd (m0246631.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 68B3dwwd1894863; Fri, 11 Sep 2026 07:13:34 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=cc :content-type:date:from:in-reply-to:message-id:mime-version :references:subject:to; s=corp-2025-04-25; bh=dXrAVSWj34zkCGZDg+ PHEGj4I3YKEtzVq0k37OBGxaU=; b=q/VCNRYXN/c4oCeTxc+TmVzmegdZLqhN2C IT4cDuQSBUs8K9JoyJ1BJq+2fJwluZFy3jEoh2O3Q9XNNbl1cvGD+IQhUT827QRZ nLrbDDTNOGG8n5fpXCDfl9H+kUS/XrYlmSRkhMCUa3mmStSr5DmgUWrVjkolRWjM F1To3z9XTpvmzyQXRgDwoSSF8+dSCXXS940OsStphajBXPsQ5iar/sXcCXaZAM/6 mVTWEI9EM6dkhu1Q/nxt5x157+qx6omef2aeUH5Z0R55UrY9NNeHdsS6Kbof1ZEx KQyejGteZT+IjWXLsBWPfRtnwPut+y0fMAVjlLuIWA36FVFgNfaQ== Received: from iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta01.appoci.oracle.com [130.35.100.223]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 4gkcysamc2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 11 Sep 2026 07:13:33 +0000 (GMT) Received: from pps.filterd (iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (8.18.1.7/8.18.1.7) with ESMTP id 68B7AQcc016684; Fri, 11 Sep 2026 07:13:33 GMT Received: from byapr05cu005.outbound.protection.outlook.com (mail-westusazon11010039.outbound.protection.outlook.com [52.101.85.39]) by iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTPS id 4gkckm7t0q-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 11 Sep 2026 07:13:33 +0000 (GMT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=cdaW1XVylcniYQDR2A6YpGNgVM6McRbH/hGwcA3b7fjZBEr8C9Kz78eK2ilazKF7+sPZSKkJM6C86153iBU09cpF/8hz1LchA4ozZAQaa6Y6nolVJE/QVdasXJhhyzHiGpntXJqzKm35ycCg/9tMfeh5kbfFz8MfFy2xTriO+TF8mbmaV0fRMndIp6uzDAg9ginhJSx4rdlNq6kaPl/hvHRXOu+wiAGvlQ03zNppMjap5UHkFxRfs7m0ZM26Vqq8UHvWPF1gEi18wsAurXVF2J+anwn+d0EyVmPPeTlA5USWCFLC9P+HkLgUmCj3mnb6UEgSdlDOGIu5sAlCm4y00A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=dXrAVSWj34zkCGZDg+PHEGj4I3YKEtzVq0k37OBGxaU=; b=WhJVUzf/r9ed9j/bE72Tvllru0lgPj/oz9wYSw+6lWffBUlEFfI76bvg0kRext/lyJV60ytDsxoLiR2boPQPdJ90I3rQk5GJ/pmGwNLvgmMDZ39cHI+9zAZ6HjemhwNINEQck0aJqy6Q6N5OLi4rukDCbTwGWraGiYzmuj90NWnP3RTVOCuqLw2asyth9Gexq6NXJL3NR8jit1zDV5HdtIinpr+5/D1aAciSCy2k5COXQn5Z80yFc9yv0m3PFhrexMMB0K3rFK0EiGyRp8UKpi5MwWMX6jzPH4Y9THJJJaFvhi8h4CzxI8cl+27FmVvu7rwBm1VRab8jAQNzParkzw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=oracle.com; dmarc=pass action=none header.from=oracle.com; dkim=pass header.d=oracle.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.onmicrosoft.com; s=selector2-oracle-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=dXrAVSWj34zkCGZDg+PHEGj4I3YKEtzVq0k37OBGxaU=; b=BpqKVURamTp9i9my81dS9G4BXJI3OJl6CZdsNrQjia+ZKh9YONlrx5uxreIhlRJeK8YpQ9LoJLXQzmPKPP2KkpMC+/83pogUcWVmy7lYugIQXfusx+BAnKmrQbI4FqFTd2FhTlcEUnA0TgFHJWHOeSmYZx/yXBuWALo/JieHfkI= Received: from CO6PR10MB5409.namprd10.prod.outlook.com (2603:10b6:5:357::14) by SJ5PPF2BE4E177D.namprd10.prod.outlook.com (2603:10b6:a0f:fc02::798) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.406.9; Fri, 11 Sep 2026 07:13:28 +0000 Received: from CO6PR10MB5409.namprd10.prod.outlook.com ([fe80::3c92:21f3:96a:b574]) by CO6PR10MB5409.namprd10.prod.outlook.com ([fe80::3c92:21f3:96a:b574%6]) with mapi id 15.21.0428.004; Fri, 11 Sep 2026 07:13:28 +0000 References: <20260831202251.305046-1-ankur.a.arora@oracle.com> <20260831202251.305046-13-ankur.a.arora@oracle.com> <178908146776.2725577.2613699832033292946.b4-review@b4> User-agent: mu4e 1.4.10; emacs 27.2 From: Ankur Arora To: Haris Okanovic Cc: Ankur Arora , linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org, bpf@vger.kernel.org, arnd@arndb.de, catalin.marinas@arm.com, will@kernel.org, peterz@infradead.org, akpm@linux-foundation.org, mark.rutland@arm.com, cl@gentwo.org, ast@kernel.org, rafael@kernel.org, daniel.lezcano@linaro.org, memxor@gmail.com, zhenglifeng1@huawei.com, xueshuai@linux.alibaba.com, rdunlap@infradead.org, david.laight.linux@gmail.com, broonie@kernel.org, joao.m.martins@oracle.com, boris.ostrovsky@oracle.com, konrad.wilk@oracle.com, ashok.bhat@arm.com Subject: Re: [PATCH v15 12/16] cpuidle/poll_state: Wait for need-resched via tif_need_resched_relaxed_wait() In-reply-to: <178908146776.2725577.2613699832033292946.b4-review@b4> Date: Fri, 11 Sep 2026 00:13:24 -0700 Message-ID: <878q58z2ej.fsf@oracle.com> Content-Type: text/plain X-ClientProxiedBy: YT4PR01CA0022.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b01:d1::25) To CO6PR10MB5409.namprd10.prod.outlook.com (2603:10b6:5:357::14) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO6PR10MB5409:EE_|SJ5PPF2BE4E177D:EE_ X-MS-Office365-Filtering-Correlation-Id: b3429a2d-35b7-498a-a618-08df0fd42d3b X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|23010399003|7416014|376014|366016|1800799024|10067099003|18002099003|22082099003|56012099006|4143699003|6133799003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:CO6PR10MB5409.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(23010399003)(7416014)(376014)(366016)(1800799024)(10067099003)(18002099003)(22082099003)(56012099006)(4143699003)(6133799003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?NW+gvtghqoseVvD54CZg18Pi7jtmLfi9lGBjnWmoCu+AMyi9LTshy54Q9LKf?= =?us-ascii?Q?nG9ltJrA8vVCE3Y8nmLjXz/Xz5BqlwD/rEzMmI9IzpuC7TTmjzhJKry1KlgX?= =?us-ascii?Q?IAfKH6rZLV5Be2fmjZ0nRhhYc30v0z22fFwJ8KvKX8qVkyAVnGAH51IDOnx2?= =?us-ascii?Q?3lzb8m4i636VSjyWpllmOP47OLk11NFWw8jDjW5K/NfRTQxgBukcmg6wmhm3?= =?us-ascii?Q?an3uDgQ7NMo0Y+aGhQwZk6bdranihIURMWddT4gsaUkpzJE6FaW8iIKmBNp0?= =?us-ascii?Q?+cqoZg7R9zHaDozsP+KWKRoQahjI/XTlE/5BRonYKvXDRJCY2EPwo4MP5dit?= =?us-ascii?Q?g2l5XpydeF2vrHGeeY1kCoj+c2hJIKnRHcxtkeHd0QbukG/lwsSyv3IEZqng?= =?us-ascii?Q?NImVPE4yqs7WxbtK93NOGaFmoHFfwuh4I+j4Nz4tYmeuABWbkTTGrK2FzBv5?= =?us-ascii?Q?ddhzee43UMf9tdHF0AFh4h74PEmCNcbbQ6Vne1CIYrQkj4+l4Reqxs9dTnwA?= =?us-ascii?Q?bdU7uNVg4oyj4mXpObWHcqUmR7PDUkqMCGDMmj9P1oST8V7+nVCGxPUFqyQh?= =?us-ascii?Q?gGTEbVix85lOP8R+/5GuFJrRGA8v1v7geMzERm02xc2GiO5wXW4ixtrumNnZ?= =?us-ascii?Q?PLQseM7z6xBJjSx2J+m5TK3oZIVvmBIzLrc1Of+KIr3VxoHWKZvAko07v+TW?= =?us-ascii?Q?1/yzzRMPPusYcgQQgkhz27MGXBVPufj+2Jt1fQw3R5smI9WV+T+65q9u3NAM?= =?us-ascii?Q?8RO9LYiqhzvFlnrktuBnCDDCzRQz/Phb4jBTZwBfyOjkOTarK28TSbRTbaxb?= =?us-ascii?Q?DSLiKp5UJb38W9KLBRalLKSi9PAYqfbboRZTDe5SLhz1EtW84FK5ciY7tGhP?= =?us-ascii?Q?qiooIwo0rQo9bkhOzHkErFEH0wz7iIQiIZy2fWFnEttjjsOHW7pd/hTS/ImQ?= =?us-ascii?Q?mVYM0t5yjwUyXPs/sYm2I+/LD/Z1PJx70r4AbY8MNTNdOc1+Go2MlfJWyOt3?= =?us-ascii?Q?nv7o5azaA64VnzZ9exsae8cveo9jw6mxX6FJz7frplF87M8n8ks0k97Tg+c5?= =?us-ascii?Q?mkJAmZZnsW3/Qsav+LAFKoonmuQNRRei5BuPCdAPbnr0X5dqWGIow503Dgkh?= =?us-ascii?Q?aK/pQlvS2LFyROO9yO0L3sUOAT8BB8IJ/LPM5xMmDJjRsQP/xCad51JGxk3a?= =?us-ascii?Q?/IxM7s1eFl2CFPsE93kquS3hAHCkV8j00kgOErAJeUleWcyOEdIFjcDLU0/g?= =?us-ascii?Q?ojYVqxRx5Nhm110emEz9BV6hawvfL2o6Fl5g8UzQ95Q0wkqgfW2Q4p0B9aPQ?= =?us-ascii?Q?XyJQ+2tD4ZOC4R2CyrGieS25dFiJdi7h6+HGO+bsI0pKv0bZvgaPTvUs4ItV?= =?us-ascii?Q?waCwxNjciy6Mfeq6PZJcQ1P4dXf60VyDElN0fHzxlOboO6Mc3y2XdofigqIP?= =?us-ascii?Q?+jHXAfSEw+qxMZd0D4oGvwqZXQv+eegzxjIrmHS0vBMC7/J2tORycCfu3VEz?= =?us-ascii?Q?9vLpbHiPGk0yi1a6R85+mG86AHYwpDyjb2qXMpztyczzb2YOP41UflUn/48D?= =?us-ascii?Q?ba672+tNGLGcHemPzOPhXW5UGGDf3DhZX1stqM3LkgJiLQAWAziI8hhl4UuQ?= =?us-ascii?Q?wyUqK6vBrt46WJJ4ujwAv64lZgeNAkNqTpqltKEg/DkqO6Uw5NSeL3RknxrN?= =?us-ascii?Q?W4OnyzKLf01NIac4O7kqC8n+FLU70RiATC2ApqmisCuJojC3J2gq3+lIewuQ?= =?us-ascii?Q?mMos89t0jV0nFwGI9+khfuCrJWWWj/Q=3D?= X-Exchange-RoutingPolicyChecked: Gg5U5Xl8ldo5dXXZHiLqXctPjofWShAUgZC4Y4VOnKT9hDRkEwRulgMySg92qMHxMfg6rYXN1/FtTO1nLA6GTideYbAu/9nQzy1l/b511w8DEVXCiJ55hpgi+BmNcjI19siAVmOab0IpQ07Zz/wou90VrePK/ShWYp6PFY8UyrhfFDaOOOSpglNXZw1/yfilDTBh3x8EK3yJrg/aDBLRVylZ94uVqU9hsYBYB5drsP86x3lYDuoW8C17XDANoaE8TFJVGUkr38A95//kOGYkxIuyHsK49H7BQEr43yh4M4Ou2tq0AseAa5YSRmdvP3g4Kd6otwu4rUveWPDcEjr/bg== X-MS-Exchange-AntiSpam-ExternalHop-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-ExternalHop-MessageData-0: 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 X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-Network-Message-Id: b3429a2d-35b7-498a-a618-08df0fd42d3b X-MS-Exchange-CrossTenant-AuthSource: CO6PR10MB5409.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Sep 2026 07:13:28.2463 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: X92PJtMO7yCmWowQjrFdvcoTVQb4bfs7jk3ImSmqkXTy/lRaSHWROL2VBcn26RLONR+n85LCiZkeyon6KwChZxzattsauXnLUorCrYc92hs= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ5PPF2BE4E177D X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-11_02,2026-09-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 adultscore=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 lowpriorityscore=0 mlxlogscore=999 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2609040000 definitions=main-2609110098 X-Authority-Analysis: v=2.4 cv=KNfPn1Fo c=1 sm=1 tr=0 ts=6aa3aa1d b=1 cx=c_pps a=zPCbziy225d3KhSqZt3L1A==:117 a=zPCbziy225d3KhSqZt3L1A==:17 a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=z/mQ4Ysz8XfWz/Q5cLBRGdckG28=:19 a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=xqWC_Br6kY4A:10 a=VdqzKS8jKosA:10 a=GoEa3M9JfhUA:10 a=VkNPw1HP01LnGYTKEx00:22 a=jiCTI4zE5U7BLdzWsZGv:22 a=o5oIOnhZENCTenyL_yNV:22 a=vggBfdFIAAAA:8 a=yPCof4ZbAAAA:8 a=uJFUT-3x69M_IngTN_YA:9 a=5yU3S35YU4bGjq-dph-N:22 a=Bho9c0fBagfJEIQBS7DQ:22 cc=ntf awl=host:12105 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTExMDA5OSBTYWx0ZWRfX9NEe6K43Au+6 BHz8PKipNfMS2CStstby5spz9WXNuLaxRdSK4gM5+C8TiR1frLq0+PcnKUDVyJKfMqshne9lhMA M288G6JcHdAQs0/EkH3smP1WA+PHnxtnUwru8GfWM3BqSvmIl0tBBM1fX/HQIQZCUVVUgXSzEfk weVmXcZ8q8iWSR3pyyL3bgQvL1GrK/UTf1fHaE/YNPMEO3OSST3bU9r7q8umNtWOFvsb3MlSGFp bRHtGQW/pZ6PKfdPDcAZtCTj96l2W6RZmLHY1v9c0MydO70pwCks4qM2C1xh0uUzUjiP9PoTncW SZy4CFrcecekD/mfwj0FVYMxAtdOahd9GhRapNBfqqqDD2mlRxs74Mvjb/hXEB+rxAiVjASbCzz PDnx6MCDqU3UTPRVVl3GkSNKF3bg0cWrJXGSVwXvyamAtgfoVklFTa725vDIiTuUpOJEJPuLagc ejkyo1SQDbKZOX/OGbyPiHj2p9bQh+r/e2HKowGc= X-Proofpoint-GUID: P5IfiEMVn-gScUf6QEdjsHRLaUSydSJ6 X-Proofpoint-ORIG-GUID: P5IfiEMVn-gScUf6QEdjsHRLaUSydSJ6 X-Proofpoint-Spam-Info: AW1haW4tMjYwOTExMDA5OSBTYWx0ZWRfX1MqxSQRxwRRE aRHnK+1l5xXZ9gZGOygrbRB/IjWDREHiPZlbvWB2fOIggPQ1r2X+O0fX5D60FBdZEuUMeAc4Hql +Wy4dLcRx/g6UMEEu6m76rMSPCRKBBWsu4JSpFCAczO3aj+rkvVT Haris Okanovic writes: > On Mon, 31 Aug 2026 13:22:47 -0700, Ankur Arora wrote: >> diff --git a/drivers/cpuidle/poll_state.c b/drivers/cpuidle/poll_state.c >> index c7524e4c522a2..7443b3e971baf 100644 >> --- a/drivers/cpuidle/poll_state.c >> +++ b/drivers/cpuidle/poll_state.c >> @@ -6,41 +6,22 @@ >> [ ... skip 36 lines ... ] >> - } >> - } >> + dev->poll_time_limit = !tif_need_resched_relaxed_wait(limit); >> } >> raw_local_irq_disable(); >> > > Tested again on AWS Graviton3/4/5 (ARM Neoverse V1/V2/V3) with haltpoll changes > atop latest master 8ab1afb2e: still seeing average 6% improvement across various > workloads (mysql, postgresql, cassandra, memcached) in latency sensitive configuration. Thanks for retesting. > The new unit tests all pass on both metal and virt variants of the same machines. > > I hope we can merge this soon. Yes indeed. I'll send out one more version which addresses a few minor bot comments (and patch-1 needs a re-review because of changes.) But other than that this is as mergeable as it will ever be. > Tested-by: Haris Okanovic Thanks -- ankur