LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Sinan Kaya <okaya@codeaurora.org>
To: Bjorn Helgaas <helgaas@kernel.org>, Oza Pawandeep <poza@codeaurora.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>,
	Philippe Ombredanne <pombredanne@nexb.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Kate Stewart <kstewart@linuxfoundation.org>,
	linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
	Dongdong Liu <liudongdong3@huawei.com>,
	Keith Busch <keith.busch@intel.com>, Wei Zhang <wzhang@fb.com>,
	Timur Tabi <timur@codeaurora.org>
Subject: Re: [PATCH v12 0/6] Address error and recovery for AER and DPC
Date: Sun, 11 Mar 2018 23:03:58 -0400	[thread overview]
Message-ID: <04ade52e-d1ea-fe67-bb26-246621d159e6@codeaurora.org> (raw)
In-Reply-To: <20180311220337.GA194000@bhelgaas-glaptop.roam.corp.google.com>

On 3/11/2018 6:03 PM, Bjorn Helgaas wrote:
> On Wed, Feb 28, 2018 at 10:34:11PM +0530, Oza Pawandeep wrote:

> That difference has been there since the beginning of DPC, so it has
> nothing to do with *this* series EXCEPT for the fact that it really
> complicates the logic you're adding to reset_link() and
> broadcast_error_message().
> 
> We ought to be able to simplify that somehow because the only real
> difference between AER and DPC should be that DPC automatically
> disables the link and AER does it in software.

I agree this should be possible. Code execution path should be almost
identical to fatal error case.

Is there any reason why you went to stop driver path, Keith?

Was it the absence of error callback? or are we missing something in our
assumptions?

-- 
Sinan Kaya
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.

  reply	other threads:[~2018-03-12  3:03 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-28 17:04 [PATCH v12 0/6] Address error and recovery for AER and DPC Oza Pawandeep
2018-02-28 17:04 ` [PATCH v12 1/6] PCI/AER: Rename error recovery to generic PCI naming Oza Pawandeep
2018-02-28 17:04 ` [PATCH v12 2/6] PCI/AER: Factor out error reporting from AER Oza Pawandeep
2018-02-28 17:04 ` [PATCH v12 3/6] PCI/PORTDRV: Implement generic find service Oza Pawandeep
2018-03-06 14:02   ` Sinan Kaya
2018-03-08  7:56     ` poza
2018-02-28 17:04 ` [PATCH v12 4/6] PCI/DPC: Unify and plumb error handling into DPC Oza Pawandeep
2018-02-28 17:04 ` [PATCH v12 5/6] PCI: Unify wait for link active into generic PCI Oza Pawandeep
2018-02-28 17:04 ` [PATCH v12 6/6] PCI/DPC: Enumerate the devices after DPC trigger event Oza Pawandeep
2018-03-11 22:03 ` [PATCH v12 0/6] Address error and recovery for AER and DPC Bjorn Helgaas
2018-03-12  3:03   ` Sinan Kaya [this message]
2018-03-12 14:25     ` Keith Busch
2018-03-12 14:46       ` poza
2018-03-12 14:58         ` Keith Busch
2018-03-12 15:34           ` poza
2018-03-12 17:33             ` Keith Busch
2018-03-12 17:41               ` Sinan Kaya
2018-03-12 17:56                 ` Keith Busch
2018-03-12 19:47       ` Bjorn Helgaas
2018-03-12 23:26         ` Keith Busch
2018-03-13  3:47           ` Sinan Kaya
2018-03-14 20:50             ` Keith Busch
2018-03-14 21:00               ` Sinan Kaya
2018-05-08 19:25           ` Bjorn Helgaas
2018-03-12 14:01   ` poza

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=04ade52e-d1ea-fe67-bb26-246621d159e6@codeaurora.org \
    --to=okaya@codeaurora.org \
    --cc=bhelgaas@google.com \
    --cc=gregkh@linuxfoundation.org \
    --cc=helgaas@kernel.org \
    --cc=keith.busch@intel.com \
    --cc=kstewart@linuxfoundation.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-pci@vger.kernel.org \
    --cc=liudongdong3@huawei.com \
    --cc=pombredanne@nexb.com \
    --cc=poza@codeaurora.org \
    --cc=tglx@linutronix.de \
    --cc=timur@codeaurora.org \
    --cc=wzhang@fb.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).