From: Ingo Molnar <mingo@kernel.org>
To: Borislav Petkov <bp@suse.de>
Cc: x86@kernel.org, Yazen Ghannam <Yazen.Ghannam@amd.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 2/2] x86/AMD: Group cpu_llc_id assignment by topology feature and family
Date: Mon, 7 Nov 2016 08:29:06 +0100 [thread overview]
Message-ID: <20161107072906.GA26938@gmail.com> (raw)
In-Reply-To: <20161102201541.zdr23pt4seyrlhyf@pd.tnic>
* Borislav Petkov <bp@suse.de> wrote:
> Ditto, clean it up and add tags:
>
> ---
> From: Yazen Ghannam <Yazen.Ghannam@amd.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
next prev parent reply other threads:[~2016-11-07 7:29 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-01 16:51 [PATCH v3 1/2] x86/AMD: Fix cpu_llc_id for AMD Fam17h systems Yazen Ghannam
2016-11-01 16:51 ` [PATCH v3 2/2] x86/AMD: Group cpu_llc_id assignment by topology feature and family Yazen Ghannam
2016-11-02 20:15 ` Borislav Petkov
2016-11-07 7:29 ` Ingo Molnar [this message]
2016-11-07 9:22 ` Borislav Petkov
2016-11-02 20:13 ` [PATCH v3 1/2] x86/AMD: Fix cpu_llc_id for AMD Fam17h systems Borislav Petkov
2016-11-07 7:31 ` Ingo Molnar
2016-11-07 9:20 ` Borislav Petkov
2016-11-07 14:07 ` Ingo Molnar
2016-11-07 15:56 ` Borislav Petkov
2016-11-08 6:31 ` Ingo Molnar
2016-11-08 8:35 ` Borislav Petkov
2016-11-08 10:29 ` Ingo Molnar
2016-11-08 11:01 ` Borislav Petkov
2016-11-08 14:54 ` Ingo Molnar
2016-11-08 15:30 ` Borislav Petkov
2016-11-10 8:00 ` [tip:x86/cpu] x86/cpu/AMD: Clean up cpu_llc_id assignment per topology feature tip-bot for Yazen Ghannam
2016-11-09 16:13 ` [tip:x86/urgent] x86/cpu/AMD: Fix cpu_llc_id for AMD Fam17h systems tip-bot for Yazen Ghannam
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