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Date: Mon, 7 Nov 2016 08:29:06 +0100 From: Ingo Molnar <mingo@...nel.org> To: Borislav Petkov <bp@...e.de> Cc: x86@...nel.org, Yazen Ghannam <Yazen.Ghannam@....com>, linux-kernel@...r.kernel.org Subject: Re: [PATCH v3 2/2] x86/AMD: Group cpu_llc_id assignment by topology feature and family * Borislav Petkov <bp@...e.de> wrote: > Ditto, clean it up and add tags: > > --- > From: Yazen Ghannam <Yazen.Ghannam@....com> > Date: Tue, 1 Nov 2016 11:51:03 -0500 > Subject: [PATCH] x86/AMD: Group cpu_llc_id assignment > > Currently, we assume that a system has multiple last level caches only > if there are multiple nodes, and that the cpu_llc_id is equal to the > node_id. This no longer applies since Fam17h can have multiple last > level caches within a node. Wondering what the practical effect of this is - is any current hardware affected, and if yes, what are the effects of this patch? Thanks, Ingo
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