linux-fpga.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Moritz Fischer <mdf@kernel.org>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: Russ Weight <russell.h.weight@intel.com>,
	mdf@kernel.org, linux-fpga@vger.kernel.org, trix@redhat.com,
	lgoncalv@redhat.com, yilun.xu@intel.com, hao.wu@intel.com,
	matthew.gerlach@intel.com, rc@silicom.dk, stable@vger.kernel.org
Subject: Re: [PATCH 1/1] fpga: dfl: Avoid reads to AFU CSRs during enumeration
Date: Fri, 17 Sep 2021 09:26:07 -0700	[thread overview]
Message-ID: <YUTBn+klY2i0QNgn@epycbox.lan> (raw)
In-Reply-To: <YUQqxBaRHH/Hnk6z@kroah.com>

On Fri, Sep 17, 2021 at 07:42:28AM +0200, Greg KH wrote:
> On Thu, Sep 16, 2021 at 02:07:33PM -0700, Russ Weight wrote:
> > CSR address space for Accelerator Functional Units (AFU) is not available
> > during the early Device Feature List (DFL) enumeration. Early access
> > to this space results in invalid data and port errors. This change adds
> > a condition to prevent an early read from the AFU CSR space.
> > 
> > Signed-off-by: Russ Weight <russell.h.weight@intel.com>
> > 
> > Fixes: 23bcda750558 ("fpga: dfl: expose feature revision from struct
> > dfl_device")
> 
> Nit, please keep this all on one line or our tools will complain about
> it when we commit it to our trees :(

I had caught that and fixed it when applying :)

Thanks,
Moritz

      reply	other threads:[~2021-09-17 16:26 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-16 21:07 Russ Weight
2021-09-16 22:24 ` Moritz Fischer
2021-09-16 22:34   ` Russ Weight
2021-09-16 22:50     ` Moritz Fischer
2021-09-17 18:24       ` Russ Weight
2021-09-17  5:42 ` Greg KH
2021-09-17 16:26   ` Moritz Fischer [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=YUTBn+klY2i0QNgn@epycbox.lan \
    --to=mdf@kernel.org \
    --cc=gregkh@linuxfoundation.org \
    --cc=hao.wu@intel.com \
    --cc=lgoncalv@redhat.com \
    --cc=linux-fpga@vger.kernel.org \
    --cc=matthew.gerlach@intel.com \
    --cc=rc@silicom.dk \
    --cc=russell.h.weight@intel.com \
    --cc=stable@vger.kernel.org \
    --cc=trix@redhat.com \
    --cc=yilun.xu@intel.com \
    --subject='Re: [PATCH 1/1] fpga: dfl: Avoid reads to AFU CSRs during enumeration' \
    /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

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).