From mboxrd@z Thu Jan  1 00:00:00 1970
From: Michael Neuling <mikey@neuling.org>
Date: Fri, 16 Mar 2018 05:26:33 +0000
Subject: Re: [PATCH] powerpc: Disable DAWR on POWER9
Message-Id: <1521177993.6147.38.camel@neuling.org>
List-Id: <kvm-ppc.vger.kernel.org>
References: <20180316025456.24036-1-mikey@neuling.org>
In-Reply-To: <20180316025456.24036-1-mikey@neuling.org>
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To: kvm-ppc@vger.kernel.org

On Fri, 2018-03-16 at 13:43 +1000, Nicholas Piggin wrote:
> On Fri, 16 Mar 2018 13:54:56 +1100
> Michael Neuling <mikey@neuling.org> wrote:
> 
> 
> > diff --git a/arch/powerpc/kernel/dt_cpu_ftrs.c
> > b/arch/powerpc/kernel/dt_cpu_ftrs.c
> > index 945e2c29ad..dfb77b43f1 100644
> > --- a/arch/powerpc/kernel/dt_cpu_ftrs.c
> > +++ b/arch/powerpc/kernel/dt_cpu_ftrs.c
> > @@ -62,7 +62,6 @@ struct dt_cpu_feature {
> >  	    CPU_FTR_COHERENT_ICACHE | \
> >  	    CPU_FTR_STCX_CHECKS_ADDRESS |\
> >  	    CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
> > -	    CPU_FTR_DAWR | \
> >  	    CPU_FTR_ARCH_206 |\
> >  	    CPU_FTR_ARCH_207S)
> 
> This may be better to clear in cpufeatures_cpu_quirks(). 

OK, I wasn't sure about this bit... thanks for catching.  I'll move to there.

> This is supposed to work on POWER8 as well.

Arrh, yeah.

Mikey