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Date: Sun, 22 Sep 2019 13:08:59 +0800 From: maowenan <maowenan@...wei.com> To: Jakub Kicinski <jakub.kicinski@...ronome.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>, Uwe Kleine-König <uwe@...ine-koenig.org> Subject: Re: [PATCH net] net: ena: Add dependency for ENA_ETHERNET On 2019/9/22 11:07, Jakub Kicinski wrote: > On Fri, 20 Sep 2019 16:44:05 +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. >> >> Fixes: 282faf61a053 ("net: ena: switch to dim algorithm for rx adaptive interrupt moderation") >> Signed-off-by: Mao Wenan <maowenan@...wei.com> > > Thank you Mao, shortly after you posted your patch Uwe proposed to make > DIMLIB a hidden symbol: > > https://lore.kernel.org/netdev/a85be675-ce56-f7ba-29e9-b749073aab6c@kleine-koenig.org/T/#t > > That patch will likely be applied soon, could you please rework your > patch to use the "select" keyword instead of "depends". That's what > other users do. Ok, I will send v2. > >> diff --git a/drivers/net/ethernet/amazon/Kconfig b/drivers/net/ethernet/amazon/Kconfig >> index 69ca99d..fe46df4 100644 >> --- a/drivers/net/ethernet/amazon/Kconfig >> +++ b/drivers/net/ethernet/amazon/Kconfig >> @@ -18,7 +18,7 @@ if NET_VENDOR_AMAZON >> >> config ENA_ETHERNET >> tristate "Elastic Network Adapter (ENA) support" >> - depends on PCI_MSI && !CPU_BIG_ENDIAN >> + depends on PCI_MSI && !CPU_BIG_ENDIAN && DIMLIB >> ---help--- >> This driver supports Elastic Network Adapter (ENA)" >> > > > . >
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