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Message-ID: <649f71329689f_14494294cc@dwillia2-mobl3.amr.corp.intel.com.notmuch>
Date:   Fri, 30 Jun 2023 17:20:02 -0700
From:   Dan Williams <dan.j.williams@...el.com>
To:     Terry Bowman <terry.bowman@....com>, <alison.schofield@...el.com>,
        <vishal.l.verma@...el.com>, <ira.weiny@...el.com>,
        <bwidawsk@...nel.org>, <dan.j.williams@...el.com>,
        <dave.jiang@...el.com>, <Jonathan.Cameron@...wei.com>,
        <linux-cxl@...r.kernel.org>
CC:     <terry.bowman@....com>, <rrichter@....com>,
        <linux-kernel@...r.kernel.org>, <bhelgaas@...gle.com>
Subject: Re: [PATCH v8 00/14] cxl/pci: Add support for RCH RAS error handling

Terry Bowman wrote:
> This patchset enables CXL RCH error handling. This is necessary because RCH
> downstream port protocol error handling is implemented uniquely and not
> currently supported. These patches address the following:
> 
>    * Discovery and mapping of RCH downstream port AER registers.
> 
>    * AER portdrv changes to support CXL RCH protocol errors. 
> 
>    * Interrupt setup specific to RCH mode: enabling RCEC internal
>      errors and disabling root port interrupts.
> 
> Changes in V8:
>   - Rebased onto: commit
>     0c0df63177e3 ("Merge branch 'for-6.5/cxl-rch-eh' into for-6.5/cxl")
>   - cxl/port: Pre-initialize component register mappings
>     - Added patch to pre-initialize component register mappings.
>   - cxl/pci: Remove Component Register base address from
>     - Separated removal of Component Register base address in struct
>     cxl_dev_state to not break functionality.
>   - cxl/hdm: Use stored Component Register mappings to map HDM decoder
>     capability
>     - Implemented a less strict check in devm_cxl_setup_hdm(), be tolerant
>     if HDM decoder registers are not implemented.
>   - cxl/pci: Map RCH downstream AER registers for  logging protocol errors
>     - Fixed uninitialized access of map->dev in cxl_dport_map_regs().
>   - PCI/AER: Forward RCH downstream port-detected errors to the CXL.mem
>     dev handler
>     - Fix typo in patch description.
>   - cxl/pci: Update CXL error logging to use RAS register address
>     - Fix typo in patch description.

Hey Terry, thank you for turning this around so quickly. I will have a
look and see if this is suitable as a follow-up merge for v6.5 next week
since it would be nice to finish this off this cycle, but no promises.

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