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* [PATCH net] net: ena: Add dependency for ENA_ETHERNET
@ 2019-09-20  8:44 Mao Wenan
  2019-09-22  3:07 ` Jakub Kicinski
  0 siblings, 1 reply; 5+ messages in thread
From: Mao Wenan @ 2019-09-20  8:44 UTC (permalink / raw)
  To: netanel, saeedb, zorik, davem
  Cc: netdev, linux-kernel, kernel-janitors, Mao Wenan

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@huawei.com>
---
 drivers/net/ethernet/amazon/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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)"
 
-- 
2.7.4


^ permalink raw reply related	[flat|nested] 5+ messages in thread

* Re: [PATCH net] net: ena: Add dependency for ENA_ETHERNET
  2019-09-20  8:44 [PATCH net] net: ena: Add dependency for ENA_ETHERNET Mao Wenan
@ 2019-09-22  3:07 ` Jakub Kicinski
  2019-09-22  5:08   ` maowenan
  2019-09-22  5:38   ` [PATCH v2 net] net: ena: Select DIMLIB " Mao Wenan
  0 siblings, 2 replies; 5+ messages in thread
From: Jakub Kicinski @ 2019-09-22  3:07 UTC (permalink / raw)
  To: Mao Wenan
  Cc: netanel, saeedb, zorik, davem, netdev, linux-kernel,
	kernel-janitors, Uwe Kleine-König

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@huawei.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.

> 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)"
>  


^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [PATCH net] net: ena: Add dependency for ENA_ETHERNET
  2019-09-22  3:07 ` Jakub Kicinski
@ 2019-09-22  5:08   ` maowenan
  2019-09-22  5:38   ` [PATCH v2 net] net: ena: Select DIMLIB " Mao Wenan
  1 sibling, 0 replies; 5+ messages in thread
From: maowenan @ 2019-09-22  5:08 UTC (permalink / raw)
  To: Jakub Kicinski
  Cc: netanel, saeedb, zorik, davem, netdev, linux-kernel,
	kernel-janitors, Uwe Kleine-König



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@huawei.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)"
>>  
> 
> 
> .
> 


^ permalink raw reply	[flat|nested] 5+ messages in thread

* [PATCH v2 net] net: ena: Select DIMLIB for ENA_ETHERNET
  2019-09-22  3:07 ` Jakub Kicinski
  2019-09-22  5:08   ` maowenan
@ 2019-09-22  5:38   ` Mao Wenan
  2019-09-22 21:08     ` Jakub Kicinski
  1 sibling, 1 reply; 5+ messages in thread
From: Mao Wenan @ 2019-09-22  5:38 UTC (permalink / raw)
  To: netanel, saeedb, zorik, davem
  Cc: netdev, linux-kernel, kernel-janitors, Mao Wenan

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@huawei.com>
---
 v2: change subject of patch, use the "select" keyword instead of "depends".
 drivers/net/ethernet/amazon/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/amazon/Kconfig b/drivers/net/ethernet/amazon/Kconfig
index 69ca99d8ac26..cca72a75f551 100644
--- a/drivers/net/ethernet/amazon/Kconfig
+++ b/drivers/net/ethernet/amazon/Kconfig
@@ -19,6 +19,7 @@ if NET_VENDOR_AMAZON
 config ENA_ETHERNET
 	tristate "Elastic Network Adapter (ENA) support"
 	depends on PCI_MSI && !CPU_BIG_ENDIAN
+	select DIMLIB
 	---help---
 	  This driver supports Elastic Network Adapter (ENA)"
 
-- 
2.20.1


^ permalink raw reply related	[flat|nested] 5+ messages in thread

* Re: [PATCH v2 net] net: ena: Select DIMLIB for ENA_ETHERNET
  2019-09-22  5:38   ` [PATCH v2 net] net: ena: Select DIMLIB " Mao Wenan
@ 2019-09-22 21:08     ` Jakub Kicinski
  0 siblings, 0 replies; 5+ messages in thread
From: Jakub Kicinski @ 2019-09-22 21:08 UTC (permalink / raw)
  To: Mao Wenan
  Cc: netanel, saeedb, zorik, davem, netdev, linux-kernel, kernel-janitors

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@huawei.com>

Applied, thank you!

^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2019-09-22 21:08 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-09-20  8:44 [PATCH net] net: ena: Add dependency for ENA_ETHERNET Mao Wenan
2019-09-22  3:07 ` Jakub Kicinski
2019-09-22  5:08   ` maowenan
2019-09-22  5:38   ` [PATCH v2 net] net: ena: Select DIMLIB " Mao Wenan
2019-09-22 21:08     ` Jakub Kicinski

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