linux-kernel - Re: [PATCH RFC net-next v8 1/3] netdev: pass the stuck queue to the timeout handler

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Date:   Mon, 9 Dec 2019 08:40:06 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     "Michael S. Tsirkin" <mst@...hat.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Julio Faracco <jcfaracco@...il.com>,
        netdev <netdev@...r.kernel.org>,
        "David S. Miller" <davem@...emloft.net>, jasowang@...hat.com,
        virtualization@...ts.linux-foundation.org, dnmendes76@...il.com,
        Heiner Kallweit <hkallweit1@...il.com>,
        Jakub Kicinski <jakub.kicinski@...ronome.com>,
        Shannon Nelson <snelson@...sando.io>,
        Martin Habets <mhabets@...arflare.com>
Subject: Re: [PATCH RFC net-next v8 1/3] netdev: pass the stuck queue to the
 timeout handler

Hi Michael,

On Tue, Dec 3, 2019 at 9:21 PM Michael S. Tsirkin <mst@...hat.com> wrote:
> This allows incrementing the correct timeout statistic without any mess.
> Down the road, devices can learn to reset just the specific queue.
>
> The patch was generated with the following script:

[...]

> Signed-off-by: Michael S. Tsirkin <mst@...hat.com>

> --- a/drivers/net/ethernet/8390/8390p.c
> +++ b/drivers/net/ethernet/8390/8390p.c
> @@ -41,9 +41,9 @@ void eip_set_multicast_list(struct net_device *dev)
>  }
>  EXPORT_SYMBOL(eip_set_multicast_list);
>
> -void eip_tx_timeout(struct net_device *dev)
> +void eip_tx_timeout(struct net_device *dev, unsigned int txqueue)
>  {
> -       __ei_tx_timeout(dev);
> +       __ei_tx_timeout(dev, txqueue);
>  }
>  EXPORT_SYMBOL(eip_tx_timeout);

On Mon, Dec 9, 2019 at 6:37 AM <noreply@...erman.id.au> wrote:
> FAILED linux-next/m68k-defconfig/m68k Mon Dec 09, 16:34
>
> http://kisskb.ellerman.id.au/kisskb/buildresult/14060060/
>
> Commit:   Add linux-next specific files for 20191209
>           6cf8298daad041cd15dc514d8a4f93ca3636c84e
> Compiler: m68k-linux-gcc (GCC) 4.6.3 / GNU ld (GNU Binutils) 2.22
>
> Possible errors
> ---------------
>
> drivers/net/ethernet/8390/8390p.c:44:6: error: conflicting types for 'eip_tx_timeout'
> drivers/net/ethernet/8390/8390p.c:48:1: error: conflicting types for 'eip_tx_timeout'
> make[5]: *** [scripts/Makefile.build:266: drivers/net/ethernet/8390/8390p.o] Error 1
> make[4]: *** [scripts/Makefile.build:503: drivers/net/ethernet/8390] Error 2
> make[3]: *** [scripts/Makefile.build:503: drivers/net/ethernet] Error 2
> make[2]: *** [scripts/Makefile.build:503: drivers/net] Error 2
> make[1]: *** [Makefile:1693: drivers] Error 2
> make: *** [Makefile:179: sub-make] Error 2

Looks like you forgot to update the forward declaration in
drivers/net/ethernet/8390/8390.h

There may be others...
http://kisskb.ellerman.id.au/kisskb/head/6cf8298daad041cd15dc514d8a4f93ca3636c84e/

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds