From nobody Sun Nov 24 03:39:53 2024 Received: from mx0a-00069f02.pphosted.com (mx0a-00069f02.pphosted.com [205.220.165.32]) (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 70E90218584; Thu, 7 Nov 2024 19:09:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=205.220.165.32 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731006565; cv=fail; b=itANnSaj8InbV+cFoz59kej6PeLR+pUSkGpvIaoTE3dkmvOyRmvfgGzd8sUPiL6LS7jGn/zD3676jr0Xipu9ZMX5BYO7cvi+ZWI0wjftczpCOYxY1UMgEvDRBgkX93DLYLTPBBU9ahQIdTCevmuLI0p6Ui6x5WQ8mR78FeG31Bc= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731006565; c=relaxed/simple; bh=fIkKve3d4s+tARoLQIvmf1GpLWbBKq2gD7ZxonS0CvU=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: Content-Type:MIME-Version; b=iP2qsJ6cdg3XaEc/deL4ZkkYa/VwWI4SZx4LhMIuwHbUiCB34v50jhN3MTy1VfXP5MZFYqtDI8DpOaZnqbpsgCP5W0sW0HcA6PflypO+kgfcwuFerB4crToVwz0dmuVmnqqwfzKgoZQAUKLuDFmPkvscoGinR+A1kmtCStAuJUA= 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=kwBb4JhA; dkim=pass (1024-bit key) header.d=oracle.onmicrosoft.com header.i=@oracle.onmicrosoft.com header.b=GR1K+NBa; arc=fail smtp.client-ip=205.220.165.32 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="kwBb4JhA"; dkim=pass (1024-bit key) header.d=oracle.onmicrosoft.com header.i=@oracle.onmicrosoft.com header.b="GR1K+NBa" Received: from pps.filterd (m0333521.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 4A7HBfNe030873; Thu, 7 Nov 2024 19:08:55 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s= corp-2023-11-20; bh=OsL8KmZV0GZqBzyYAkuNNp3MGpfw0D7lahQORSbuV9E=; b= kwBb4JhA8GvsC1H+/U3RBBE6mfigdBt8L0XlPfiClTNf2Qm1j8w9RyjM63xj1wRh d6IRmSVp5JPXxiAdATaded9E1GIN1o0SYxVRbq/XCD+IRgTk/0+Ki95qIHRlwXrl GIeQ/XzBOu/fDvHbsz3xLNeMOoiq9xuV8xTlCET0twotUXEI7HoxdE+LOUL0JTgO Qcwkg3DNrc7uDVTW0/Gw51WSSZHyExAyMP+3naKaT6Snikz0c6frB3egjxHLwXvK gdHsf8cdubvgOp0rT9nsdL/Nn3qPEjt80VEETTZHX+rcCP9DyxfhGZVlCxrslmy3 vZ9bbYCZ2Nk1FgyBDvyS8A== Received: from phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta02.appoci.oracle.com [147.154.114.232]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 42nb0ckd8p-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 07 Nov 2024 19:08:55 +0000 (GMT) Received: from pps.filterd (phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (8.18.1.2/8.18.1.2) with ESMTP id 4A7IeIrq008595; Thu, 7 Nov 2024 19:08:55 GMT Received: from nam11-bn8-obe.outbound.protection.outlook.com (mail-bn8nam11lp2169.outbound.protection.outlook.com [104.47.58.169]) by phxpaimrmta02.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTPS id 42nahaer6a-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 07 Nov 2024 19:08:54 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=mrR8MBaYID4DHRAxpIkdHtygrLcxjyPc/Zltc7O9XiGRsGp9e9NEyx+4zBTz3LQeBRzdn7u/EGP1/512lRQFR9d22pDy4pK/GH0hiwtn2cwVtMqdKdqTlR8+OQDdh/bqjjyoPh3PO/HbvqzBmCzUVFBJubqoM6Doa/QX0hJUk1rUjexF00SfQWUOwtIE1JY24HJL3Na6TVVfgaYK3dbf1GR0eEUNmBYYjwFBa/JlZuHXeBg377IqqJ+wAoK/CUHVuqlA+QuxpVp9E0JmiPvvNIOC3hZiJ0wXavRXGpR0mEXziwR7On5J2Nx4oJ1KNI31YTJDlhX6tuMM8lPsB+I8Aw== 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=OsL8KmZV0GZqBzyYAkuNNp3MGpfw0D7lahQORSbuV9E=; b=qgu8cuHQfECiZrUDGxcy+U+Lkd4m2V6Y6CapChwPHyi3dfsF17+XmIt+3WErsolG37mMZ+DCTl8ukA3RGQm2VTq9sy37HmWSQyZ9YPaRXCmzavmbfSdzzNNc5mOfui0+b77cNk7OJIziV0EzxCQsBadC8u6qF1d7CwpyfoGkP+rE6JBwbX+L4uYJkYC9lRZK4B7yHJTFgUy75ATQqUbwUX2UllY8BxprKtt3kJKKdSp6By7eh8/ibztpireWblJKo6Srmc0auaxSMq0Vs7hX0sphLRhj95KNjQNSOtkpv+zMvBPOxom0CRAXVkyWjltE66zwrSjW9P7gq2bcEMZEaQ== 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=OsL8KmZV0GZqBzyYAkuNNp3MGpfw0D7lahQORSbuV9E=; b=GR1K+NBauDmKgSycHvWOQ7h1ncvsw6u0a5ku8Ut7imPlxjxtaAuSb8X+Cx7M56SNElIYmnOIny6Rn0ZbFeIcbv/JzZ1vNipA5/njS/9CwRKiFXnuAmkNqTvfiApID8VGWQbCbz5HNLTdyKqxNBb3S34o9YvqvoD5jvJpm9KZB1s= Received: from CO6PR10MB5409.namprd10.prod.outlook.com (2603:10b6:5:357::14) by CY8PR10MB7148.namprd10.prod.outlook.com (2603:10b6:930:71::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8137.20; Thu, 7 Nov 2024 19:08:47 +0000 Received: from CO6PR10MB5409.namprd10.prod.outlook.com ([fe80::25a9:32c2:a7b0:de9e]) by CO6PR10MB5409.namprd10.prod.outlook.com ([fe80::25a9:32c2:a7b0:de9e%5]) with mapi id 15.20.8137.019; Thu, 7 Nov 2024 19:08:47 +0000 From: Ankur Arora To: linux-pm@vger.kernel.org, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org Cc: catalin.marinas@arm.com, will@kernel.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, pbonzini@redhat.com, vkuznets@redhat.com, rafael@kernel.org, daniel.lezcano@linaro.org, peterz@infradead.org, arnd@arndb.de, lenb@kernel.org, mark.rutland@arm.com, harisokn@amazon.com, mtosatti@redhat.com, sudeep.holla@arm.com, cl@gentwo.org, maz@kernel.org, misono.tomohiro@fujitsu.com, maobibo@loongson.cn, zhenglifeng1@huawei.com, joao.m.martins@oracle.com, boris.ostrovsky@oracle.com, konrad.wilk@oracle.com Subject: [PATCH v9 09/15] cpuidle-haltpoll: define arch_haltpoll_want() Date: Thu, 7 Nov 2024 11:08:12 -0800 Message-Id: <20241107190818.522639-10-ankur.a.arora@oracle.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20241107190818.522639-1-ankur.a.arora@oracle.com> References: <20241107190818.522639-1-ankur.a.arora@oracle.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: MW4PR04CA0119.namprd04.prod.outlook.com (2603:10b6:303:83::34) 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_|CY8PR10MB7148:EE_ X-MS-Office365-Filtering-Correlation-Id: 24d18dd9-c2b4-40fa-46ef-08dcff5f9b5f X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|1800799024|7416014|376014; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?9weBdsu/RSPJPCIw79WjHRb0Nd/RJJ2uG1qMjljYoQ8WDv0a8uEQ+KicJb2V?= =?us-ascii?Q?bpXxhuy+nYhlUSYvzf5t7j2T1vOwFHP3Sjn9xkzY2kNNyW+eYNdYgK8Ojncs?= =?us-ascii?Q?dTLwnp25uPHb+BFLtHvrCF8vRRoFPuZUvKmUgxcVXbWojI/fBsXHNSGehY5i?= =?us-ascii?Q?iz1o/GO9E6FqIzhPfU46QR/20wJm0svOSihA0U9QNn5IHgNQzb0Mvl7qGDFt?= =?us-ascii?Q?qXfFNjQjNIEvGZqc2jv/p1+tPvlplX26Oa12jqVBAEv/+bRUJ+lOwzq4hWwb?= =?us-ascii?Q?UgJumYzsU83/uDng5UDr+B6LHpEEh2lVy6jlkxp+uDvvrBTkNuJREQdGWRTn?= =?us-ascii?Q?CB0Nk69VWwECOgElX0GUisf74lPkd3PA02g22ectVAh/lW0xjL+V/J55Ccjw?= =?us-ascii?Q?Wc81PpLicgToGxuqhk0jOEZqzH1os59mW+6QP/9YR+ZugTVAXmhAgQayI5z9?= =?us-ascii?Q?qjSRt8yg4fantO4MgmAVmB2szU8cRmWm85dVY6LtzKb+tBAkj2ZRgAKqX1mX?= =?us-ascii?Q?sMKl5h1nejika0kCEJodGsdarN0CJKucPSxXiN6qetTEq4bdsRAXPSm8h4ZR?= =?us-ascii?Q?QK3IC69NIY+eG9OF/yygucHaHD+LgFc2JGT4scdg8hwWA1icV3E50dj0MIkE?= =?us-ascii?Q?C5h6sPFgbLDxKm0SGDFfVu+qTJx1IQHe6/5TY4/TY4jbTBkgDgrFq1ZhSjnK?= =?us-ascii?Q?fd2FuHM5utM9UA4/F4wsUXaoO6VR0MhUH0/zcGGNEJDgvWZW8Sbin/C+txeL?= =?us-ascii?Q?EdFDS07+b7OUG2bs3p8bhaHEJKSRbrPbYk6HzES51JGXQ6z3joR0UEnySmla?= =?us-ascii?Q?iTMy09Xjwh3YZYwfSl7qnV7libdC9gHnT+QO/TMiF8FIGlGlQSCwraxzEEWD?= =?us-ascii?Q?jb7JuXp4Z2xNzxlPY/LeEyJCvMOZ1v1+rkBMY5LvIPOPpw5RSDLTIryj1Gf6?= =?us-ascii?Q?vDYsxg+Bu6eosj+oDqdxuJNF1DMJ6yeBNaXXVJN7QpeVxnAz2KLMG9iftYbw?= =?us-ascii?Q?NJ7wt+Rybf1We7CHQM0EoSnQefNEjWkRYXKm12aZLQ+M+Kf+wHjMY8btmIv/?= =?us-ascii?Q?FjqGJN+5eZvZOGZr6fetPGhs5Ioe0Y/yK4W8Y2QNrU5E58VhhefTVa1pEPiL?= =?us-ascii?Q?77I7NBfrw53zAfX8Y3i/wGSFN8zwSg8MFfyNEhDui8T8BGScZ5GnV0S5tzGP?= =?us-ascii?Q?LeHRuaTjhJpl/RV3h+dcGhqVhCqpD/XSRG6L4TRvo7XwbnmtVkjrWUt9H1E3?= =?us-ascii?Q?vZiVqBUzubU+F+du3UyV7FzkqoKWmZNJjYapBP5wwQVPJrD/PYG/03UOvd9z?= =?us-ascii?Q?EStkyOHKe32Lguyy/OZ99Vvy?= 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)(366016)(1800799024)(7416014)(376014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?EkpEPTkH4eotBmxx0YGb/vWvzQdNITKPA74meeUZmdgQ8YJfxteBoU9QbG/5?= =?us-ascii?Q?FJse/Eifq3tEozNoRjpPhWwvolwgbeFNDB7wzawjH45r8AVsbpoNIauJtGFs?= =?us-ascii?Q?KDZAEdSOHdVP9S5Ovg2pZDxWz+v/12XdbSjv8lL2j0FVMzKHJpLAZoockkrn?= =?us-ascii?Q?GmwFXL3CVbAjJ2Bs9gL8oeFfW8M+sw+kI+yzrAkDfVlIL4NDwBeZH6OfyWV7?= =?us-ascii?Q?Dp6sbrtttbUPXyOhW4O6DXnhJcnvYLUPwvJQtDx/rqHM7rUDAHeTiJXVsR/M?= =?us-ascii?Q?gSXxuVTYrLTyUT5i2JPby+wDTUHUHOEKj9Je5BFxZeVGkxG4hg/7POFLu97q?= =?us-ascii?Q?7eYvf4oz4nWvBpApMcGo4IySyn8V6BJkuLIO7xwS6sQcZH88/LxQTXBH4gNw?= =?us-ascii?Q?dzxqVFBG1VN+5H1+eYWWSIMFuNLi6psutQLmj5uAzZbrMATFcnAZJGJ3oi7B?= =?us-ascii?Q?A9H67RhjW4fPdFXFF8AuvZM0xlIPC5rALoXfxWVtZ5YMFo7abtLWJnlHE4xP?= =?us-ascii?Q?cI8E0/Wn/cjN36E8T6e7sQfsE8712C+tb4ClQqjqmdUb46WxyxbVh0GbxNvB?= =?us-ascii?Q?sMzxS0pWj/Z13cPj/F3vyvblwobmRr7LPyOwSWuuWLwGEcmsMcc9BlSuTNOk?= =?us-ascii?Q?oybyn8YAbYucP9tBayGIGHALGMBWmD5oKG6Dn2r9Qd7Py2ppsToEkRNV7NEJ?= =?us-ascii?Q?bOwHbvnLh6qDmbRaizn1JE7yHdWKr10J2DGZW4Z71HhhZ/d9g9ejzRJx0qBO?= =?us-ascii?Q?U6N+UIH9ATq76uZ5pVxPN30Fl2UafxihfmKooTcMbRgqJQMrBj9TWKL87K0a?= =?us-ascii?Q?lF9kQXOkBNpOxxMyqBZqhXNg80sQRHMAn5W0vv5U+EI52VC4bkW0OljaMSBA?= =?us-ascii?Q?rSgvkYlVvyGTGwQwbmkwm+zL4yD+YugJItSNHlphoZEC1hcLzhj6g/TEsmRu?= =?us-ascii?Q?rS/1D5k2E+z0IG4cPAIUwvykV9QaQH3XTSOSf2IXevqrXmKmYeyFDW0XX9Sz?= =?us-ascii?Q?KVG8J5vKXasX3law36wDj8ZTIx1Ln+vehTtpsXkjMB32gM/nX9V9+mBXJpt8?= =?us-ascii?Q?kHMj50UyP/IXSyuEQinu/iCybsC/zXSZxYZdspCRcXUIVjWNgjpCuNT8If7t?= =?us-ascii?Q?s7pDCTMlfkZ/o5IwsJkQFQq97T+gPG+rD/taacztA7OAt3U8aJHTjUZxwval?= =?us-ascii?Q?7k7MSDBDPubPVYzEOjUUSgaFmAUJtPAShAEEdrSaseh9dE2Z8V8RTM/Ck+zZ?= =?us-ascii?Q?uCyMMNZO0G09/oQCJbvslMzLnnDNMAs66dawZOoElVEY/Kyezc6wA0B5af4S?= =?us-ascii?Q?J2AC2PEDm19jPIVk4yFPe3/yXPAO/Qf1Ku6bwzS+giBoMciSFTifWMrnMdI+?= =?us-ascii?Q?DcTGlM6QkoXgGYJVfdOPeq7j+vJVLuTIlcttAiItE1ANi6gXHo72SyCprOxp?= =?us-ascii?Q?aTZOEoBD1iYujAMtmyQBHtVwGm40IBDZHN5LbgtZy3cq2RMUkl8r+UyVyXVr?= =?us-ascii?Q?+AXi/7U3AmRPrpBZIEQAxGqnOqWLz9tbIPGFc3NEAVhkyeOVOlApMatY5L4o?= =?us-ascii?Q?1Q9IXuPZ9QHbrxcpouWJ3UT47iMhVmqyVMbsJiAsUpc0cDs/rQPiUrEi+P0n?= =?us-ascii?Q?Og=3D=3D?= 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: 24d18dd9-c2b4-40fa-46ef-08dcff5f9b5f X-MS-Exchange-CrossTenant-AuthSource: CO6PR10MB5409.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Nov 2024 19:08:47.5216 (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: dFu/g1zm900r5+s9LZa4/ixwEbWSYB86dhlHoZkmD1i6RUaNJ5fjM+PGUHpkIr/6r88Jv+6MSRwjrBpkiozPoP3+5E1A3IzGCCQu61ebHeA= X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY8PR10MB7148 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1057,Hydra:6.0.680,FMLib:17.12.62.30 definitions=2024-11-07_08,2024-11-07_01,2024-09-30_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxlogscore=999 bulkscore=0 spamscore=0 adultscore=0 phishscore=0 suspectscore=0 malwarescore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2409260000 definitions=main-2411070150 X-Proofpoint-ORIG-GUID: rB57-W3UuIomLuCMMt7BWnRyBUZpOG0i X-Proofpoint-GUID: rB57-W3UuIomLuCMMt7BWnRyBUZpOG0i Content-Type: text/plain; charset="utf-8" From: Joao Martins While initializing haltpoll we check if KVM supports the realtime hint and if idle is overridden at boot. Both of these checks are x86 specific. So, in pursuit of making cpuidle-haltpoll architecture independent, move these checks out of common code. Signed-off-by: Joao Martins Signed-off-by: Mihai Carabas Signed-off-by: Ankur Arora --- arch/x86/include/asm/cpuidle_haltpoll.h | 1 + arch/x86/kernel/kvm.c | 13 +++++++++++++ drivers/cpuidle/cpuidle-haltpoll.c | 12 +----------- include/linux/cpuidle_haltpoll.h | 5 +++++ 4 files changed, 20 insertions(+), 11 deletions(-) diff --git a/arch/x86/include/asm/cpuidle_haltpoll.h b/arch/x86/include/asm= /cpuidle_haltpoll.h index c8b39c6716ff..8a0a12769c2e 100644 --- a/arch/x86/include/asm/cpuidle_haltpoll.h +++ b/arch/x86/include/asm/cpuidle_haltpoll.h @@ -4,5 +4,6 @@ =20 void arch_haltpoll_enable(unsigned int cpu); void arch_haltpoll_disable(unsigned int cpu); +bool arch_haltpoll_want(bool force); =20 #endif diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c index 21e9e4845354..6d717819eb4e 100644 --- a/arch/x86/kernel/kvm.c +++ b/arch/x86/kernel/kvm.c @@ -1155,4 +1155,17 @@ void arch_haltpoll_disable(unsigned int cpu) smp_call_function_single(cpu, kvm_enable_host_haltpoll, NULL, 1); } EXPORT_SYMBOL_GPL(arch_haltpoll_disable); + +bool arch_haltpoll_want(bool force) +{ + /* Do not load haltpoll if idle=3D is passed */ + if (boot_option_idle_override !=3D IDLE_NO_OVERRIDE) + return false; + + if (!kvm_para_available()) + return false; + + return kvm_para_has_hint(KVM_HINTS_REALTIME) || force; +} +EXPORT_SYMBOL_GPL(arch_haltpoll_want); #endif diff --git a/drivers/cpuidle/cpuidle-haltpoll.c b/drivers/cpuidle/cpuidle-h= altpoll.c index bcd03e893a0a..e532aa2bf608 100644 --- a/drivers/cpuidle/cpuidle-haltpoll.c +++ b/drivers/cpuidle/cpuidle-haltpoll.c @@ -15,7 +15,6 @@ #include #include #include -#include #include =20 static bool force __read_mostly; @@ -93,21 +92,12 @@ static void haltpoll_uninit(void) haltpoll_cpuidle_devices =3D NULL; } =20 -static bool haltpoll_want(void) -{ - return kvm_para_has_hint(KVM_HINTS_REALTIME) || force; -} - static int __init haltpoll_init(void) { int ret; struct cpuidle_driver *drv =3D &haltpoll_driver; =20 - /* Do not load haltpoll if idle=3D is passed */ - if (boot_option_idle_override !=3D IDLE_NO_OVERRIDE) - return -ENODEV; - - if (!kvm_para_available() || !haltpoll_want()) + if (!arch_haltpoll_want(force)) return -ENODEV; =20 cpuidle_poll_state_init(drv); diff --git a/include/linux/cpuidle_haltpoll.h b/include/linux/cpuidle_haltp= oll.h index d50c1e0411a2..68eb7a757120 100644 --- a/include/linux/cpuidle_haltpoll.h +++ b/include/linux/cpuidle_haltpoll.h @@ -12,5 +12,10 @@ static inline void arch_haltpoll_enable(unsigned int cpu) static inline void arch_haltpoll_disable(unsigned int cpu) { } + +static inline bool arch_haltpoll_want(bool force) +{ + return false; +} #endif #endif --=20 2.43.5