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From: "Luck, Tony" <tony.luck@intel.com>
To: Shiyang Ruan <ruansy.fnst@fujitsu.com>,
	Jonathan Cameron <Jonathan.Cameron@Huawei.com>,
	"Williams, Dan J" <dan.j.williams@intel.com>
Cc: "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
	"linux-cxl@vger.kernel.org" <linux-cxl@vger.kernel.org>,
	"dave@stgolabs.net" <dave@stgolabs.net>,
	"Weiny, Ira" <ira.weiny@intel.com>,
	"Schofield, Alison" <alison.schofield@intel.com>,
	"Jiang, Dave" <dave.jiang@intel.com>,
	"Verma, Vishal L" <vishal.l.verma@intel.com>,
	Borislav Petkov <bp@alien8.de>,
	"James Morse" <james.morse@arm.com>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	Robert Richter <rric@kernel.org>,
	"linux-edac@vger.kernel.org" <linux-edac@vger.kernel.org>,
	Miaohe Lin <linmiaohe@huawei.com>,
	"Naoya Horiguchi" <nao.horiguchi@gmail.com>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: RE: [RFC PATCH] cxl: avoid duplicating report from MCE & device
Date: Wed, 26 Jun 2024 15:56:29 +0000	[thread overview]
Message-ID: <SJ1PR11MB6083829FC72B2230C1CB1599FCD62@SJ1PR11MB6083.namprd11.prod.outlook.com> (raw)
In-Reply-To: <bc58d99a-785f-4bb3-a9c9-9cf50ea7e06d@fujitsu.com>

>> So recovery has some risk, but very little upside benefit.
>
> Since the hardware provides the instruction(CPU)/command(CXL) to clear 
> the poison, we could make the function work, at least as an optional 
> feature.  Then users could decide to use it or not after evaluating the 
> risk and benefit.
>
> I think doing recovery is an improvement step, and may need a lot of 
> discussion.  I'm not sure if we could reach a conclusion in this thread. 
>  Just hope more comments on the original problem (duplicate report) to 
> solve in this patch.

Post a patch to implement poison clearing/recovery with some way to opt-in
to get the discussion started. If it doesn't add too much complexity perhaps
it will be accepted.

-Tony

  reply	other threads:[~2024-06-26 15:56 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20240618165310.877974-1-ruansy.fnst@fujitsu.com>
2024-06-20 17:02 ` Jonathan Cameron
2024-06-21 10:16   ` Shiyang Ruan
2024-06-21 17:21     ` Jonathan Cameron
2024-06-21 17:59   ` Dan Williams
2024-06-21 18:45     ` Jonathan Cameron
2024-06-21 20:44       ` Luck, Tony
2024-06-26  6:03         ` Shiyang Ruan
2024-06-26 15:56           ` Luck, Tony [this message]
2024-07-19  6:24 ` Shiyang Ruan

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