linux-kernel - Re: [PATCH v2 net] net: ena: Select DIMLIB for ENA

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Message-ID: <20190922140800.6b1ed695@cakuba.netronome.com>
Date:   Sun, 22 Sep 2019 14:08:00 -0700
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     Mao Wenan <maowenan@...wei.com>
Cc:     <netanel@...zon.com>, <saeedb@...zon.com>, <zorik@...zon.com>,
        <davem@...emloft.net>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <kernel-janitors@...r.kernel.org>
Subject: Re: [PATCH v2 net] net: ena: Select DIMLIB for ENA_ETHERNET

On Sun, 22 Sep 2019 13:38:08 +0800, Mao Wenan wrote:
> If CONFIG_ENA_ETHERNET=y and CONFIG_DIMLIB=n,
> below erros can be found:
> drivers/net/ethernet/amazon/ena/ena_netdev.o: In function `ena_dim_work':
> ena_netdev.c:(.text+0x21cc): undefined reference to `net_dim_get_rx_moderation'
> ena_netdev.c:(.text+0x21cc): relocation truncated to
> fit: R_AARCH64_CALL26 against undefined symbol `net_dim_get_rx_moderation'
> drivers/net/ethernet/amazon/ena/ena_netdev.o: In function `ena_io_poll':
> ena_netdev.c:(.text+0x7bd4): undefined reference to `net_dim'
> ena_netdev.c:(.text+0x7bd4): relocation truncated to fit:
> R_AARCH64_CALL26 against undefined symbol `net_dim'
> 
> After commit 282faf61a053 ("net: ena: switch to dim algorithm for rx adaptive
> interrupt moderation"), it introduces dim algorithm, which configured by CONFIG_DIMLIB.
> So, this patch is to select DIMLIB for ENA_ETHERNET.
> 
> Fixes: 282faf61a053 ("net: ena: switch to dim algorithm for rx adaptive interrupt moderation")
> Signed-off-by: Mao Wenan <maowenan@...wei.com>

Applied, thank you!