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rasdaemon: Add page offline support for cxl memory #182

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rasdaemon: Add page offline support for cxl memory #182

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Commits on Nov 20, 2024

  1. rasdaemon: Add page offline support for cxl memory 

    CXL Type 3 device implements a threshold for corrected errors as described in
CXL 3.1 specification section 8.2.9.2.1.2 and 8.2.9.9.11.3.
Device can set the threshold field in the DRAM event descriptor when
it detects corrected errors that meet or exceed the threshold value.

This patch is intended to offline pages for corrected memory errors when the
device sets the threshold in the DRAM event descriptor.
This helps prevent corrected errors from becoming uncorrected.

Record the hpa for given dpa, then do pageoffline for hpa when corrected
errors threshold is set.

Signed-off-by: Srinivasulu Thanneeru <[email protected]>
    Srinivasulu Thanneeru committed Nov 20, 2024
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