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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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