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Thread-Topic: [RFC] Kernel Support of Memory Error Detection. 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dkim=none ("invalid DKIM record") header.d=intel.com header.s=Intel header.b=E+mmQ25p; spf=pass (imf22.hostedemail.com: domain of tony.luck@intel.com designates 134.134.136.24 as permitted sender) smtp.mailfrom=tony.luck@intel.com; dmarc=pass (policy=none) header.from=intel.com; arc=pass ("microsoft.com:s=arcselector9901:i=1") X-Rspam-User: X-Rspamd-Server: rspam06 X-HE-Tag: 1668791458-991799 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Last time somebody asked me if Linux was using ACPI RASF, I said "no". So i= t is possible that current Intel platforms are no longer supporting RASF in B= IOS. Memory topologies have become more complex since RASF was created (I think it dates back to ACPI version 4, or maybe 5). So I wonder whether it would = be able to handle a system where some part of memory was connected via CXL. -Tony