LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Michael Chan <michael.chan@broadcom.com>
To: Zumeng Chen <zumeng.chen@gmail.com>
Cc: Netdev <netdev@vger.kernel.org>,
	open list <linux-kernel@vger.kernel.org>,
	Siva Reddy Kallam <siva.kallam@broadcom.com>,
	"michael.chan@broadcom.com" <mchan@broadcom.com>,
	"prashant.sreedharan@broadcom.com" <prashant@broadcom.com>,
	David Miller <davem@davemloft.net>
Subject: Re: [PATCH 1/1] tg3: fix meaningless hw_stats reading after tg3_halt memset 0 hw_stats
Date: Sat, 28 Apr 2018 11:36:18 -0700	[thread overview]
Message-ID: <CACKFLi=UxiSUAx8CoMKpx16d7mVSAbbmhR-m=1W_kzNrePu7XQ@mail.gmail.com> (raw)
In-Reply-To: <20180428031544.210054-1-zumeng.chen@gmail.com>

On Fri, Apr 27, 2018 at 8:15 PM, Zumeng Chen <zumeng.chen@gmail.com> wrote:

> diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h
> index 3b5e98e..6727d93 100644
> --- a/drivers/net/ethernet/broadcom/tg3.h
> +++ b/drivers/net/ethernet/broadcom/tg3.h
> @@ -3352,6 +3352,7 @@ struct tg3 {
>         struct pci_dev                  *pdev_peer;
>
>         struct tg3_hw_stats             *hw_stats;
> +       bool                            hw_stats_flag;

You can just add another bit to enum TG3_FLAGS for this purpose.

While this scheme will probably work, I think a better and more
elegant way to fix this is to use RCU.

>         dma_addr_t                      stats_mapping;
>         struct work_struct              reset_task;
>
> --
> 2.9.3
>

  reply	other threads:[~2018-04-28 18:36 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-28  3:15 Zumeng Chen
2018-04-28 18:36 ` Michael Chan [this message]
2018-04-29  6:43   ` Zumeng Chen

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='CACKFLi=UxiSUAx8CoMKpx16d7mVSAbbmhR-m=1W_kzNrePu7XQ@mail.gmail.com' \
    --to=michael.chan@broadcom.com \
    --cc=davem@davemloft.net \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mchan@broadcom.com \
    --cc=netdev@vger.kernel.org \
    --cc=prashant@broadcom.com \
    --cc=siva.kallam@broadcom.com \
    --cc=zumeng.chen@gmail.com \
    --subject='Re: [PATCH 1/1] tg3: fix meaningless hw_stats reading after tg3_halt memset 0 hw_stats' \
    /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).