linux-kernel - RE: [PATCH v8 0/2] ACPI / APEI: Add support to notify the vendor specific HW errors

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Message-ID: <78a6dfbe246b4dbbbdd9534f87638f86@huawei.com>
Date:   Fri, 29 May 2020 20:05:10 +0000
From:   Shiju Jose <shiju.jose@...wei.com>
To:     "linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "rjw@...ysocki.net" <rjw@...ysocki.net>,
        "bp@...en8.de" <bp@...en8.de>,
        "james.morse@....com" <james.morse@....com>,
        "helgaas@...nel.org" <helgaas@...nel.org>,
        "lenb@...nel.org" <lenb@...nel.org>,
        "tony.luck@...el.com" <tony.luck@...el.com>,
        "dan.carpenter@...cle.com" <dan.carpenter@...cle.com>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "zhangliguang@...ux.alibaba.com" <zhangliguang@...ux.alibaba.com>,
        "tglx@...utronix.de" <tglx@...utronix.de>
CC:     Linuxarm <linuxarm@...wei.com>, yangyicong <yangyicong@...wei.com>
Subject: RE: [PATCH v8 0/2] ACPI / APEI: Add support to notify the vendor
 specific HW errors

Please ignore this patch set. Resending soon.

Thanks,
Shiju

>-----Original Message-----
>From: Shiju Jose
>Sent: 29 May 2020 18:39
>To: linux-acpi@...r.kernel.org; linux-pci@...r.kernel.org; linux-
>kernel@...r.kernel.org; rjw@...ysocki.net; bp@...en8.de;
>james.morse@....com; helgaas@...nel.org; lenb@...nel.org;
>tony.luck@...el.com; dan.carpenter@...cle.com;
>gregkh@...uxfoundation.org; zhangliguang@...ux.alibaba.com;
>tglx@...utronix.de
>Cc: Shiju Jose <shiju.jose@...wei.com>; Linuxarm <linuxarm@...wei.com>;
>yangyicong <yangyicong@...wei.com>
>Subject: [PATCH v8 0/2] ACPI / APEI: Add support to notify the vendor
>specific HW errors
>
>Presently the vendor drivers are unable to do the recovery for the vendor
>specific recoverable HW errors because APEI driver does not support
>reporting the error to the vendor drivers.
>
>patch set
>1. add new interface to the APEI driver for reporting the
>   vendor specific non-fatal HW errors to the drivers.
>
>2. add driver to handle HiSilicon hip PCIe controller's errors.
>
>V8:
>1. Removed reporting the standard errors through the interface
>   because of the conflict with the changes in the
>   memory error handling path.
>2. Fix comments by Dan Carpenter.
>
>V7:
>1. Add changes in the APEI driver suggested by Borislav Petkov, for
>   queuing up all the non-fatal HW errors to the work queue and
>   notify the registered kernel drivers from the bottom half using
>   blocking notifier, common interface for both standard and
>   vendor-spcific errors.
>2. Fix for further feedbacks in v5 HIP PCIe error handler driver
>   by Bjorn Helgaas.
>
>V6:
>1. Fix few changes in the patch subject line suggested by Bjorn Helgaas.
>
>V5:
>1. Fix comments from James Morse.
>1.1 Changed the notification method to use the atomic_notifier_chain.
>1.2 Add the error handled status for the user space.
>
>V4:
>1. Fix for the following smatch warning in the PCIe error driver,
>   reported by kbuild test robot<lkp@...el.com>:
>   warn: should '((((1))) << (9 + i))' be a 64 bit type?
>   if (err->val_bits & BIT(HISI_PCIE_LOCAL_VALID_ERR_MISC + i))
>	^^^ This should be BIT_ULL() because it goes up to 9 + 32.
>
>V3:
>1. Fix the comments from Bjorn Helgaas.
>
>V2:
>1. Changes in the HiSilicon PCIe controller's error handling driver
>   for the comments from Bjorn Helgaas.
>
>2. Changes in the APEI interface to support reporting the vendor error
>   for module with multiple devices, but use the same section type.
>   In the error handler will use socket id/sub module id etc to distinguish
>   the device.
>
>V1:
>1. Fix comments from James Morse.
>
>2. add driver to handle HiSilicon hip08 PCIe controller's errors,
>   which is an application of the above interface.
>
>Shiju Jose (1):
>  ACPI / APEI: Add support to notify the vendor specific HW errors
>
>Yicong Yang (1):
>  PCI: hip: Add handling of HiSilicon HIP PCIe controller errors
>
> drivers/acpi/apei/ghes.c                 | 126 ++++++++-
> drivers/pci/controller/Kconfig           |   8 +
> drivers/pci/controller/Makefile          |   1 +
> drivers/pci/controller/pcie-hisi-error.c | 321 +++++++++++++++++++++++
> include/acpi/ghes.h                      |  28 ++
> 5 files changed, 483 insertions(+), 1 deletion(-)  create mode 100644
>drivers/pci/controller/pcie-hisi-error.c
>
>--
>2.17.1
>