From: Dave Jiang <dave.jiang@intel.com>
To: Borislav Petkov <bp@alien8.de>
Cc: linux-cxl@vger.kernel.org, linux-acpi@vger.kernel.org,
rafael@kernel.org, dan.j.williams@intel.com, tony.luck@intel.com,
dave@stgolabs.net, jonathan.cameron@huawei.com,
alison.schofield@intel.com, ira.weiny@intel.com
Subject: Re: [RFC PATCH v2 5/5] cxl: Add mce notifier to emit aliased address for extended linear cache
Date: Thu, 14 Nov 2024 08:52:35 -0700 [thread overview]
Message-ID: <86208fd4-2628-446c-bda5-fe3c79706f68@intel.com> (raw)
In-Reply-To: <20241114093217.GBZzXDoVnBPiAhVOvJ@fat_crate.local>
On 11/14/24 2:32 AM, Borislav Petkov wrote:
> On Wed, Nov 13, 2024 at 08:27:35AM -0700, Dave Jiang wrote:
>> I'm actually looking for recommendation on what the proper one is. The
>> handler is expected to offline the aliased address of the reported MCE if
>> there is one.
>
> Well, MCE_PRIO_EARLY will emit a trace record so that if you have error events
> consumers like rasdaemon, it'll get that error record for reporting etc.
>
> MCE_PRIO_UC calls memory_failure() on the error and thus offlines the page.
> Functionality which you're partly replicating in your notifier.
>
> And since you wanna do the same thing, why are you even adding a new priority
> instead of using MCE_PRIO_UC? amdgpu_bad_page_notifier() uses that same prio
> because it does a similar thing.
Ok thanks for the explanation. I will use MCE_PRIO_UC.
>
prev parent reply other threads:[~2024-11-14 15:52 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-12 22:12 [RFC PATCH v2 0/6] acpi/hmat / cxl: Add exclusive caching enumeration and RAS support Dave Jiang
2024-11-12 22:12 ` [RFC PATCH v2 1/5] acpi: numa: Add support to enumerate and store extended linear address mode Dave Jiang
2024-11-26 16:16 ` Jonathan Cameron
2024-12-03 23:05 ` Dave Jiang
2024-11-12 22:12 ` [RFC PATCH v2 2/5] acpi/hmat / cxl: Add extended linear cache support for CXL Dave Jiang
2024-11-26 16:23 ` Jonathan Cameron
2024-12-03 23:08 ` Dave Jiang
2024-11-12 22:12 ` [RFC PATCH v2 3/5] acpi/hmat: Add helper functions to provide extended linear cache translation Dave Jiang
2024-11-27 10:23 ` Jonathan Cameron
2024-11-12 22:12 ` [RFC PATCH v2 4/5] cxl: Add extended linear cache address alias emission for cxl events Dave Jiang
2024-11-27 16:40 ` Jonathan Cameron
2024-11-12 22:12 ` [RFC PATCH v2 5/5] cxl: Add mce notifier to emit aliased address for extended linear cache Dave Jiang
2024-11-13 8:11 ` Borislav Petkov
2024-11-13 15:27 ` Dave Jiang
2024-11-14 9:32 ` Borislav Petkov
2024-11-14 15:52 ` Dave Jiang [this message]
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