From: Thomas Monjalon <thomas@monjalon.net>
To: Qi Zhang <qi.z.zhang@intel.com>
Cc: dev@dpdk.org, anatoly.burakov@intel.com, ferruh.yigit@intel.com,
geoffrey.lv@gmail.com, ajit.khaparde@broadcom.com,
stable@dpdk.org
Subject: Re: [dpdk-dev] [PATCH] bus/pci: fix unexpected resource mapping override
Date: Wed, 26 Sep 2018 15:50:47 +0200 [thread overview]
Message-ID: <14389377.uLlNGEYteW@xps> (raw)
In-Reply-To: <20180903084005.29706-1-qi.z.zhang@intel.com>
Hi,
03/09/2018 10:40, Qi Zhang:
> When scanning an already plugged device, the virtual address
> of mapped PCI resource in rte_pci_device will be overridden
> with 0, that may cause driver does not work correctly.
Why is it overridden with 0?
Can we try to fix the root cause?
> The fix is not to update any rte_pci_device's field if the being
> scanned device's driver is already probed.
I am going to send a patch to have a safer way of checking
whether a device is probed or not.
If this change is really needed, I suggest to rebase it on top my patch.
next prev parent reply other threads:[~2018-09-26 13:50 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-03 8:40 Qi Zhang
2018-09-26 13:50 ` Thomas Monjalon [this message]
2018-09-29 6:43 ` Zhang, Qi Z
2018-09-30 8:52 ` Thomas Monjalon
2018-10-03 13:03 ` Zhang, Qi Z
2018-10-30 15:27 ` [dpdk-dev] [PATCH v3] " Qi Zhang
2018-10-31 18:30 ` [dpdk-dev] [dpdk-stable] " Thomas Monjalon
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=14389377.uLlNGEYteW@xps \
--to=thomas@monjalon.net \
--cc=ajit.khaparde@broadcom.com \
--cc=anatoly.burakov@intel.com \
--cc=dev@dpdk.org \
--cc=ferruh.yigit@intel.com \
--cc=geoffrey.lv@gmail.com \
--cc=qi.z.zhang@intel.com \
--cc=stable@dpdk.org \
/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).