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* Re: linux-next: Tree for Apr 30 (netdev: mellanox/mlx4)
       [not found] <20130430165730.7779d7e5d8fdca911213cce7@canb.auug.org.au>
@ 2013-04-30 18:58 ` Randy Dunlap
  2013-04-30 19:36   ` Eric Dumazet
  0 siblings, 1 reply; 6+ messages in thread
From: Randy Dunlap @ 2013-04-30 18:58 UTC (permalink / raw)
  To: Stephen Rothwell; +Cc: linux-next, linux-kernel, netdev, Amir Vadai

On 04/29/13 23:57, Stephen Rothwell wrote:
> Hi all,
> 
> Please do not add any v3.11 destined work to your linux-next included
> branches until after v3.10-rc1 is released.
> 
> Changes since 20130429:
> 

on i386:

ERROR: "__udivdi3" [drivers/net/ethernet/mellanox/mlx4/mlx4_en.ko] undefined!


-- 
~Randy

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: linux-next: Tree for Apr 30 (netdev: mellanox/mlx4)
  2013-04-30 18:58 ` linux-next: Tree for Apr 30 (netdev: mellanox/mlx4) Randy Dunlap
@ 2013-04-30 19:36   ` Eric Dumazet
  2013-04-30 20:39     ` Randy Dunlap
  0 siblings, 1 reply; 6+ messages in thread
From: Eric Dumazet @ 2013-04-30 19:36 UTC (permalink / raw)
  To: Randy Dunlap
  Cc: Stephen Rothwell, linux-next, linux-kernel, netdev, Amir Vadai

On Tue, 2013-04-30 at 11:58 -0700, Randy Dunlap wrote:
> On 04/29/13 23:57, Stephen Rothwell wrote:
> > Hi all,
> > 
> > Please do not add any v3.11 destined work to your linux-next included
> > branches until after v3.10-rc1 is released.
> > 
> > Changes since 20130429:
> > 
> 
> on i386:
> 
> ERROR: "__udivdi3" [drivers/net/ethernet/mellanox/mlx4/mlx4_en.ko] undefined!
> 
> 

Could you try the following patch/fix ?

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_clock.c b/drivers/net/ethernet/mellanox/mlx4/en_clock.c
index 2f18121..fd64410 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_clock.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_clock.c
@@ -114,6 +114,7 @@ void mlx4_en_fill_hwtstamps(struct mlx4_en_dev *mdev,
 void mlx4_en_init_timestamp(struct mlx4_en_dev *mdev)
 {
 	struct mlx4_dev *dev = mdev->dev;
+	u64 ns;
 
 	memset(&mdev->cycles, 0, sizeof(mdev->cycles));
 	mdev->cycles.read = mlx4_en_read_clock;
@@ -133,10 +134,9 @@ void mlx4_en_init_timestamp(struct mlx4_en_dev *mdev)
 	/* Calculate period in seconds to call the overflow watchdog - to make
 	 * sure counter is checked at least once every wrap around.
 	 */
-	mdev->overflow_period =
-		(cyclecounter_cyc2ns(&mdev->cycles,
-				    mdev->cycles.mask) / NSEC_PER_SEC / 2)
-		* HZ;
+	ns = cyclecounter_cyc2ns(&mdev->cycles, mdev->cycles.mask);
+	do_div(ns, NSEC_PER_SEC / 2 / HZ);
+	mdev->overflow_period = ns;
 }
 
 void mlx4_en_ptp_overflow_check(struct mlx4_en_dev *mdev)

^ permalink raw reply related	[flat|nested] 6+ messages in thread

* Re: linux-next: Tree for Apr 30 (netdev: mellanox/mlx4)
  2013-04-30 19:36   ` Eric Dumazet
@ 2013-04-30 20:39     ` Randy Dunlap
  2013-04-30 20:47       ` Eric Dumazet
  2013-04-30 20:53       ` [PATCH net-next] mlx4_en: fix a build error on 32bit arches Eric Dumazet
  0 siblings, 2 replies; 6+ messages in thread
From: Randy Dunlap @ 2013-04-30 20:39 UTC (permalink / raw)
  To: Eric Dumazet
  Cc: Stephen Rothwell, linux-next, linux-kernel, netdev, Amir Vadai

On 04/30/13 12:36, Eric Dumazet wrote:
> On Tue, 2013-04-30 at 11:58 -0700, Randy Dunlap wrote:
>> On 04/29/13 23:57, Stephen Rothwell wrote:
>>> Hi all,
>>>
>>> Please do not add any v3.11 destined work to your linux-next included
>>> branches until after v3.10-rc1 is released.
>>>
>>> Changes since 20130429:
>>>
>>
>> on i386:
>>
>> ERROR: "__udivdi3" [drivers/net/ethernet/mellanox/mlx4/mlx4_en.ko] undefined!
>>
>>
> 
> Could you try the following patch/fix ?

Yes, that fixes it.  Thanks.

Acked-by: Randy Dunlap <rdunlap@infradead.org>


> diff --git a/drivers/net/ethernet/mellanox/mlx4/en_clock.c b/drivers/net/ethernet/mellanox/mlx4/en_clock.c
> index 2f18121..fd64410 100644
> --- a/drivers/net/ethernet/mellanox/mlx4/en_clock.c
> +++ b/drivers/net/ethernet/mellanox/mlx4/en_clock.c
> @@ -114,6 +114,7 @@ void mlx4_en_fill_hwtstamps(struct mlx4_en_dev *mdev,
>  void mlx4_en_init_timestamp(struct mlx4_en_dev *mdev)
>  {
>  	struct mlx4_dev *dev = mdev->dev;
> +	u64 ns;
>  
>  	memset(&mdev->cycles, 0, sizeof(mdev->cycles));
>  	mdev->cycles.read = mlx4_en_read_clock;
> @@ -133,10 +134,9 @@ void mlx4_en_init_timestamp(struct mlx4_en_dev *mdev)
>  	/* Calculate period in seconds to call the overflow watchdog - to make
>  	 * sure counter is checked at least once every wrap around.
>  	 */
> -	mdev->overflow_period =
> -		(cyclecounter_cyc2ns(&mdev->cycles,
> -				    mdev->cycles.mask) / NSEC_PER_SEC / 2)
> -		* HZ;
> +	ns = cyclecounter_cyc2ns(&mdev->cycles, mdev->cycles.mask);
> +	do_div(ns, NSEC_PER_SEC / 2 / HZ);
> +	mdev->overflow_period = ns;
>  }
>  
>  void mlx4_en_ptp_overflow_check(struct mlx4_en_dev *mdev)
> 
> 
> --


-- 
~Randy

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: linux-next: Tree for Apr 30 (netdev: mellanox/mlx4)
  2013-04-30 20:39     ` Randy Dunlap
@ 2013-04-30 20:47       ` Eric Dumazet
  2013-04-30 20:53       ` [PATCH net-next] mlx4_en: fix a build error on 32bit arches Eric Dumazet
  1 sibling, 0 replies; 6+ messages in thread
From: Eric Dumazet @ 2013-04-30 20:47 UTC (permalink / raw)
  To: Randy Dunlap
  Cc: Stephen Rothwell, linux-next, linux-kernel, netdev, Amir Vadai

On Tue, 2013-04-30 at 13:39 -0700, Randy Dunlap wrote:

> Yes, that fixes it.  Thanks.
> 
> Acked-by: Randy Dunlap <rdunlap@infradead.org>
> 

Thanks, I'll send the official patch in a couple of minutes.

^ permalink raw reply	[flat|nested] 6+ messages in thread

* [PATCH net-next] mlx4_en: fix a build error on 32bit arches
  2013-04-30 20:39     ` Randy Dunlap
  2013-04-30 20:47       ` Eric Dumazet
@ 2013-04-30 20:53       ` Eric Dumazet
  2013-04-30 23:01         ` David Miller
  1 sibling, 1 reply; 6+ messages in thread
From: Eric Dumazet @ 2013-04-30 20:53 UTC (permalink / raw)
  To: Randy Dunlap, David Miller
  Cc: Stephen Rothwell, linux-next, linux-kernel, netdev, Amir Vadai

From: Eric Dumazet <edumazet@google.com>

commit b6c39bfcf1d7d63 ("net/mlx4_en: Add a service task")
added a build error on 32bit arches.

ERROR: "__udivdi3" [drivers/net/ethernet/mellanox/mlx4/mlx4_en.ko]
undefined!

Fix this problem by using do_div()

Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Amir Vadai <amirv@mellanox.com>
---
 drivers/net/ethernet/mellanox/mlx4/en_clock.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_clock.c b/drivers/net/ethernet/mellanox/mlx4/en_clock.c
index 2f18121..fd64410 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_clock.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_clock.c
@@ -114,6 +114,7 @@ void mlx4_en_fill_hwtstamps(struct mlx4_en_dev *mdev,
 void mlx4_en_init_timestamp(struct mlx4_en_dev *mdev)
 {
 	struct mlx4_dev *dev = mdev->dev;
+	u64 ns;
 
 	memset(&mdev->cycles, 0, sizeof(mdev->cycles));
 	mdev->cycles.read = mlx4_en_read_clock;
@@ -133,10 +134,9 @@ void mlx4_en_init_timestamp(struct mlx4_en_dev *mdev)
 	/* Calculate period in seconds to call the overflow watchdog - to make
 	 * sure counter is checked at least once every wrap around.
 	 */
-	mdev->overflow_period =
-		(cyclecounter_cyc2ns(&mdev->cycles,
-				    mdev->cycles.mask) / NSEC_PER_SEC / 2)
-		* HZ;
+	ns = cyclecounter_cyc2ns(&mdev->cycles, mdev->cycles.mask);
+	do_div(ns, NSEC_PER_SEC / 2 / HZ);
+	mdev->overflow_period = ns;
 }
 
 void mlx4_en_ptp_overflow_check(struct mlx4_en_dev *mdev)

^ permalink raw reply related	[flat|nested] 6+ messages in thread

* Re: [PATCH net-next] mlx4_en: fix a build error on 32bit arches
  2013-04-30 20:53       ` [PATCH net-next] mlx4_en: fix a build error on 32bit arches Eric Dumazet
@ 2013-04-30 23:01         ` David Miller
  0 siblings, 0 replies; 6+ messages in thread
From: David Miller @ 2013-04-30 23:01 UTC (permalink / raw)
  To: eric.dumazet; +Cc: rdunlap, sfr, linux-next, linux-kernel, netdev, amirv

From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 30 Apr 2013 13:53:51 -0700

> From: Eric Dumazet <edumazet@google.com>
> 
> commit b6c39bfcf1d7d63 ("net/mlx4_en: Add a service task")
> added a build error on 32bit arches.
> 
> ERROR: "__udivdi3" [drivers/net/ethernet/mellanox/mlx4/mlx4_en.ko]
> undefined!
> 
> Fix this problem by using do_div()
> 
> Reported-by: Randy Dunlap <rdunlap@infradead.org>
> Signed-off-by: Eric Dumazet <edumazet@google.com>
> Acked-by: Randy Dunlap <rdunlap@infradead.org>

Applied, thanks for fixing this Eric.

^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2013-04-30 23:01 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
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     [not found] <20130430165730.7779d7e5d8fdca911213cce7@canb.auug.org.au>
2013-04-30 18:58 ` linux-next: Tree for Apr 30 (netdev: mellanox/mlx4) Randy Dunlap
2013-04-30 19:36   ` Eric Dumazet
2013-04-30 20:39     ` Randy Dunlap
2013-04-30 20:47       ` Eric Dumazet
2013-04-30 20:53       ` [PATCH net-next] mlx4_en: fix a build error on 32bit arches Eric Dumazet
2013-04-30 23:01         ` David Miller

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