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Fri, 29 May 2020 01:05:25 +0000 From: Jianyong Wu To: Thomas Gleixner , "netdev@vger.kernel.org" , "yangbo.lu@nxp.com" , "john.stultz@linaro.org" , "pbonzini@redhat.com" , "sean.j.christopherson@intel.com" , "maz@kernel.org" , "richardcochran@gmail.com" , Mark Rutland , "will@kernel.org" , Suzuki Poulose , Steven Price CC: "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "kvmarm@lists.cs.columbia.edu" , "kvm@vger.kernel.org" , Steve Capper , Kaly Xin , Justin He , Wei Chen , nd Subject: RE: [RFC PATCH v12 05/11] time: Add mechanism to recognize clocksource in time_get_snapshot Thread-Topic: [RFC PATCH v12 05/11] time: Add mechanism to recognize clocksource in time_get_snapshot Thread-Index: AQHWMBRarnlKRx72O0Ohyt/gOs353ai9vAGAgACN4SA= Date: Fri, 29 May 2020 01:05:25 +0000 Message-ID: References: <20200522083724.38182-1-jianyong.wu@arm.com> <20200522083724.38182-6-jianyong.wu@arm.com> <87tv00nhje.fsf@nanos.tec.linutronix.de> In-Reply-To: <87tv00nhje.fsf@nanos.tec.linutronix.de> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ts-tracking-id: 92c3abe8-9efe-4ce7-b3d6-85b06a5a27ff.1 x-checkrecipientchecked: true Authentication-Results-Original: linutronix.de; 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X-MS-Office365-Filtering-Correlation-Id-Prvs: cb2116b4-ebc1-45c8-649a-08d8036c5f0b X-Forefront-PRVS: 04180B6720 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: lK89LDROjfk6F8ia/ZrhVgN7RAqQcbawHdL9dsR0STrf9RkKrQ3KLVZ9kQIh6xS3r3M65U6QHOAGBP6D+v1EGE4Qr3uogW5epg44tE5D+g5velwiH5cDCfQ0o95H2vPxPuC1wiAgzizoctNU1p0KWSEe6v6w9JeKvvfNuUEfWb9y8qxZL/LFyNheyoLe++/WlX2b+ORUGuLq+VQw799Fqs7n79yJwRsdWhgumfOvfepdR6k9rrkRUCzR+RMKB1S3sKqxTn+OY/Qq4UQSdkam8pSosdp58OMKX0Qld5eOusHeZOL84v9qSxrPNJOMJ5wXsc0s8xCGxx1/CsiSc0G7OAYHcGGBZS+dz2aXTyHqTr+KiVMuWH8qRRc2PvbTSRcDIuZJUSv1fsk+kezzj4iJm9Mm/B1ibQJALDZgiVkp20I= X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 29 May 2020 01:05:38.4258 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: fdbf23ba-fcc5-4ccd-8594-08d8036c6686 X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[63.35.35.123];Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR08MB3965 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Thomas, > -----Original Message----- > From: Thomas Gleixner > Sent: Friday, May 29, 2020 12:36 AM > To: Jianyong Wu ; netdev@vger.kernel.org; > yangbo.lu@nxp.com; john.stultz@linaro.org; pbonzini@redhat.com; > sean.j.christopherson@intel.com; maz@kernel.org; > richardcochran@gmail.com; Mark Rutland ; > will@kernel.org; Suzuki Poulose ; Steven Price > > Cc: linux-kernel@vger.kernel.org; linux-arm-kernel@lists.infradead.org; > kvmarm@lists.cs.columbia.edu; kvm@vger.kernel.org; Steve Capper > ; Kaly Xin ; Justin He > ; Wei Chen ; Jianyong Wu > ; nd > Subject: Re: [RFC PATCH v12 05/11] time: Add mechanism to recognize > clocksource in time_get_snapshot >=20 > Jianyong Wu writes: > > From: Thomas Gleixner diff --git > > a/kernel/time/clocksource.c b/kernel/time/clocksource.c index > > 7cb09c4cf21c..a8f65b3e4ec8 100644 > > --- a/kernel/time/clocksource.c > > +++ b/kernel/time/clocksource.c > > @@ -928,6 +928,9 @@ int __clocksource_register_scale(struct > > clocksource *cs, u32 scale, u32 freq) > > > > clocksource_arch_init(cs); > > > > +if (WARN_ON_ONCE((unsigned int)cs->id >=3D CSID_MAX)) > > + cs->id =3D CSID_GENERIC; > > + >=20 > This is white space damaged and certainly not from me. Sorry, I will fix it. Thanks Jianyong=20