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From: Bjorn Helgaas <helgaas@kernel.org>
To: "Luck, Tony" <tony.luck@intel.com>
Cc: "Meyer, Kyle" <kyle.meyer@hpe.com>,
	"Zhuo, Qiuxu" <qiuxu.zhuo@intel.com>,
	"bp@alien8.de" <bp@alien8.de>,
	"james.morse@arm.com" <james.morse@arm.com>,
	"mchehab@kernel.org" <mchehab@kernel.org>,
	"rric@kernel.org" <rric@kernel.org>,
	"linux-edac@vger.kernel.org" <linux-edac@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] EDAC/{i10nm,skx,skx_common}: Support multiple clumps
Date: Tue, 10 Dec 2024 10:37:34 -0600	[thread overview]
Message-ID: <20241210163734.GA3244835@bhelgaas> (raw)
In-Reply-To: <SJ1PR11MB60832217752DE71A4ED1054CFC312@SJ1PR11MB6083.namprd11.prod.outlook.com>

On Fri, Dec 06, 2024 at 10:09:23PM +0000, Luck, Tony wrote:
> What we need here is a function that maps from a PCIe device to a CPU socket.
> 
> Has this problem been encountered before? Is there an existing solution?

There's nothing in PCI itself that connects a device to a CPU.  It
sounds like something that might fit with an ACPI NUMA description,
e.g., if a CPU and a PCI host bridge had the same ACPI _PXM value, you
could conclude that the devices below the host bridge are close to the
CPU.

Bjorn

  reply	other threads:[~2024-12-10 16:37 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-12-05 16:59 [PATCH] EDAC/{i10nm,skx,skx_common}: Support multiple clumps Kyle Meyer
2024-12-05 19:13 ` Luck, Tony
2024-12-05 20:05   ` Kyle Meyer
2024-12-05 22:52     ` Luck, Tony
2024-12-05 23:57       ` Luck, Tony
2024-12-06  0:57         ` Kyle Meyer
2024-12-06  1:26           ` Zhuo, Qiuxu
2024-12-06  2:33             ` Kyle Meyer
2024-12-06 21:24               ` Luck, Tony
2024-12-06 22:09                 ` Luck, Tony
2024-12-10 16:37                   ` Bjorn Helgaas [this message]
2024-12-10 17:50                     ` Luck, Tony

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