linux-kernel - Re: [PATCH v13 0/6] Address error and recovery for AER and DPC

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20180416031600.GB80087@bhelgaas-glaptop.roam.corp.google.com>
Date:   Sun, 15 Apr 2018 22:16:00 -0500
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Oza Pawandeep <poza@...eaurora.org>
Cc:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Philippe Ombredanne <pombredanne@...b.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
        Dongdong Liu <liudongdong3@...wei.com>,
        Keith Busch <keith.busch@...el.com>, Wei Zhang <wzhang@...com>,
        Sinan Kaya <okaya@...eaurora.org>,
        Timur Tabi <timur@...eaurora.org>
Subject: Re: [PATCH v13 0/6] Address error and recovery for AER and DPC

On Mon, Apr 09, 2018 at 10:41:48AM -0400, Oza Pawandeep wrote:
> This patch set brings in error handling support for DPC
> 
> The current implementation of AER and error message broadcasting to the
> EP driver is tightly coupled and limited to AER service driver.
> It is important to factor out broadcasting and other link handling
> callbacks. So that not only when AER gets triggered, but also when DPC get
> triggered (for e.g. ERR_FATAL), callbacks are handled appropriately.
> 
> DPC should behave identical to AER as far as error handling is concerned.
> DPC should remove the devices and not to do recovery for hotplug enabled system.

Is there a specific bug that's fixed by these patches?  I didn't see
one mentioned in the changelogs.