From: Stephen Hemminger <stephen@networkplumber.org>
To: Abdullah Sevincer <abdullah.sevincer@intel.com>
Cc: dev@dpdk.org, jerinj@marvell.com, mike.ximing.chen@intel.com
Subject: Re: [PATCH v1] event/dlb2: add support for disabling PASID
Date: Mon, 30 Oct 2023 17:10:25 -0700 [thread overview]
Message-ID: <20231030171025.4c7f2bd2@fedora> (raw)
In-Reply-To: <20230607210050.107944-1-abdullah.sevincer@intel.com>
On Wed, 7 Jun 2023 16:00:50 -0500
Abdullah Sevincer <abdullah.sevincer@intel.com> wrote:
> From: Abdullah Sevincer <abdullah.sevincer@intel.com>
> To: dev@dpdk.org
> Cc: jerinj@marvell.com, mike.ximing.chen@intel.com, Abdullah Sevincer <abdullah.sevincer@intel.com>
> Subject: [PATCH v1] event/dlb2: add support for disabling PASID
> Date: Wed, 7 Jun 2023 16:00:50 -0500
> X-Mailer: git-send-email 2.25.1
>
> vfio-pci driver in Linux kernel 6.2 enables PASID by default.
> In DLB hardware, enabling PASID puts DLB in SIOV mode. This
> breaks DLB PF-PMD mode. For DLB PF-PMD mode to function properly
> PASID needs to be disabled for kernel 6.2.
>
> In this commit this issue is addressed and PASID is disabled
> by writing a zero to PASID control register.
>
> Signed-off-by: Abdullah Sevincer <abdullah.sevincer@intel.com>
It is not clear if this is kernels 6.2 or later, or just that version.
Also, distribution kernel versions don't reflect upstream so if you are complaining about
RHEL etc. The code is version independent (good). It would be good to supply more
commit information (ideally upstream commit id) in this patch commit log.
Also 6.2 kernel is end-of-life (May 2023) so users should be using older or later
supported kernel version.
prev parent reply other threads:[~2023-10-31 0:10 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-07 21:00 Abdullah Sevincer
2023-06-08 5:38 ` Jerin Jacob
2023-06-08 7:22 ` Thomas Monjalon
2023-06-08 7:28 ` David Marchand
2023-06-08 11:32 ` Jerin Jacob
2023-06-08 14:25 ` Chen, Mike Ximing
2023-08-03 7:56 ` David Marchand
2023-08-03 16:57 ` Sevincer, Abdullah
2023-10-26 16:46 ` Sevincer, Abdullah
2023-10-26 16:38 ` [PATCH v2] event/dlb2: disable PASID for kernel 6.2 Abdullah Sevincer
2023-10-30 21:12 ` [PATCH v3] event/dlb2: fix " Abdullah Sevincer
2023-10-31 8:21 ` Jerin Jacob
2023-10-31 15:13 ` Sevincer, Abdullah
2023-10-31 17:06 ` Jerin Jacob
2023-10-31 17:15 ` Bruce Richardson
2023-10-31 18:42 ` Jerin Jacob
2023-10-31 20:44 ` Bruce Richardson
2023-11-01 4:51 ` Jerin Jacob
2023-11-01 19:05 ` Sevincer, Abdullah
2023-11-02 10:23 ` Bruce Richardson
2023-11-02 10:48 ` Thomas Monjalon
2023-11-02 18:17 ` Sevincer, Abdullah
2023-10-31 0:10 ` Stephen Hemminger [this message]
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=20231030171025.4c7f2bd2@fedora \
--to=stephen@networkplumber.org \
--cc=abdullah.sevincer@intel.com \
--cc=dev@dpdk.org \
--cc=jerinj@marvell.com \
--cc=mike.ximing.chen@intel.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).