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Date: Thu, 28 May 2020 18:36:05 +0200 From: Thomas Gleixner <tglx@...utronix.de> To: Jianyong Wu <jianyong.wu@....com>, netdev@...r.kernel.org, yangbo.lu@....com, john.stultz@...aro.org, pbonzini@...hat.com, sean.j.christopherson@...el.com, maz@...nel.org, richardcochran@...il.com, Mark.Rutland@....com, will@...nel.org, suzuki.poulose@....com, steven.price@....com Cc: linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.cs.columbia.edu, kvm@...r.kernel.org, Steve.Capper@....com, Kaly.Xin@....com, justin.he@....com, Wei.Chen@....com, jianyong.wu@....com, nd@....com Subject: Re: [RFC PATCH v12 05/11] time: Add mechanism to recognize clocksource in time_get_snapshot Jianyong Wu <jianyong.wu@....com> writes: > From: Thomas Gleixner <tglx@...utronix.de> > 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 >= CSID_MAX)) > + cs->id = CSID_GENERIC; > + This is white space damaged and certainly not from me.
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