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From: Leon Romanovsky <leonro-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
To: Saeed Mahameed <saeedm-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
	Joe Perches <joe-6d6DIl74uiNBDgjK7y7TUQ@public.gmane.org>
Cc: Matan Barak <matanb-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
	netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-kernel
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH] mellanox: mlx5: Use logging functions to reduce text ~10k/5%
Date: Thu, 23 Jun 2016 10:12:10 +0300	[thread overview]
Message-ID: <20160623071210.GA23995@leon.nu> (raw)
In-Reply-To: <20160623052701.GB30933-2ukJVAZIZ/Y@public.gmane.org>

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On Thu, Jun 23, 2016 at 08:27:01AM +0300, Leon Romanovsky wrote:
> On Wed, Jun 22, 2016 at 11:23:59AM -0700, Joe Perches wrote:
> > The logging macros create a bit of duplicated code/text.
> > 
> > Use specialized functions to reduce the duplication.
> > 
> > (defconfig/x86-64)
> > $ size drivers/net/ethernet/mellanox/mlx5/core/built-in.o*
> >    text	   data	    bss	    dec	    hex	filename
> >  178634	   2059	     16	 180709	  2c1e5	drivers/net/ethernet/mellanox/mlx5/core/built-in.o.new
> >  188679	   2059	     16	 190754	  2e922	drivers/net/ethernet/mellanox/mlx5/core/built-in.o.old
> > 
> > The output changes now do not include line #,
> > but do include the function offset.
> > 
> > Signed-off-by: Joe Perches <joe-6d6DIl74uiNBDgjK7y7TUQ@public.gmane.org>
> 
> As far as I see all these functions are used in error paths, so no
> implication on performance is expected.
> 
> And I'm fine with function offsets.
> 
> Saeed,
> What do you think?
> 
> Reviewed-by: Leon Romanovsky <leonro-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>

I continued to play with this patch and it doesn't pass checkpatch.
It looks like corrupted file.

➜  linux-rdma git:(master) ./scripts/checkpatch.pl
~/Downloads/mellanox-mlx5-Use-logging-functions-to-reduce-text-10k-5.patch
WARNING: Possible unwrapped commit description (prefer a maximum 75 chars per line)
#21: 
 178634    2059      16  180709   2c1e5
drivers/net/ethernet/mellanox/mlx5/core/built-in.o.new

ERROR: patch seems to be corrupt (line wrapped?)
#46: FILE: drivers/net/ethernet/mellanox/mlx5/core/main.c:1556:

CHECK: Alignment should match open parenthesis
#78: FILE: drivers/net/ethernet/mellanox/mlx5/core/main.c:1586:
+       dev_warn(&dev->pdev->dev, "%s:%pS:(pid %d): %pV",
+                dev->priv.name, __builtin_return_address(0), current->pid,

ERROR: space required before that '&' (ctx:VxV)
#79: FILE: drivers/net/ethernet/mellanox/mlx5/core/main.c:1587:
+                &vaf);
                  ^
total: 2 errors, 1 warnings, 1 checks, 58 lines  checked

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WARNING: multiple messages have this Message-ID (diff)
From: Leon Romanovsky <leonro@mellanox.com>
To: Saeed Mahameed <saeedm@mellanox.com>, Joe Perches <joe@perches.com>
Cc: Matan Barak <matanb@mellanox.com>, <netdev@vger.kernel.org>,
	<linux-rdma@vger.kernel.org>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] mellanox: mlx5: Use logging functions to reduce text ~10k/5%
Date: Thu, 23 Jun 2016 10:12:10 +0300	[thread overview]
Message-ID: <20160623071210.GA23995@leon.nu> (raw)
In-Reply-To: <20160623052701.GB30933@leon.nu>

[-- Attachment #1: Type: text/plain, Size: 2079 bytes --]

On Thu, Jun 23, 2016 at 08:27:01AM +0300, Leon Romanovsky wrote:
> On Wed, Jun 22, 2016 at 11:23:59AM -0700, Joe Perches wrote:
> > The logging macros create a bit of duplicated code/text.
> > 
> > Use specialized functions to reduce the duplication.
> > 
> > (defconfig/x86-64)
> > $ size drivers/net/ethernet/mellanox/mlx5/core/built-in.o*
> >    text	   data	    bss	    dec	    hex	filename
> >  178634	   2059	     16	 180709	  2c1e5	drivers/net/ethernet/mellanox/mlx5/core/built-in.o.new
> >  188679	   2059	     16	 190754	  2e922	drivers/net/ethernet/mellanox/mlx5/core/built-in.o.old
> > 
> > The output changes now do not include line #,
> > but do include the function offset.
> > 
> > Signed-off-by: Joe Perches <joe@perches.com>
> 
> As far as I see all these functions are used in error paths, so no
> implication on performance is expected.
> 
> And I'm fine with function offsets.
> 
> Saeed,
> What do you think?
> 
> Reviewed-by: Leon Romanovsky <leonro@mellanox.com>

I continued to play with this patch and it doesn't pass checkpatch.
It looks like corrupted file.

➜  linux-rdma git:(master) ./scripts/checkpatch.pl
~/Downloads/mellanox-mlx5-Use-logging-functions-to-reduce-text-10k-5.patch
WARNING: Possible unwrapped commit description (prefer a maximum 75 chars per line)
#21: 
 178634    2059      16  180709   2c1e5
drivers/net/ethernet/mellanox/mlx5/core/built-in.o.new

ERROR: patch seems to be corrupt (line wrapped?)
#46: FILE: drivers/net/ethernet/mellanox/mlx5/core/main.c:1556:

CHECK: Alignment should match open parenthesis
#78: FILE: drivers/net/ethernet/mellanox/mlx5/core/main.c:1586:
+       dev_warn(&dev->pdev->dev, "%s:%pS:(pid %d): %pV",
+                dev->priv.name, __builtin_return_address(0), current->pid,

ERROR: space required before that '&' (ctx:VxV)
#79: FILE: drivers/net/ethernet/mellanox/mlx5/core/main.c:1587:
+                &vaf);
                  ^
total: 2 errors, 1 warnings, 1 checks, 58 lines  checked

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WARNING: multiple messages have this Message-ID (diff)
From: Leon Romanovsky <leonro-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
To: Saeed Mahameed <saeedm-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
	Joe Perches <joe-6d6DIl74uiNBDgjK7y7TUQ@public.gmane.org>
Cc: Matan Barak <matanb-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
	<netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	linux-kernel
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH] mellanox: mlx5: Use logging functions to reduce text ~10k/5%
Date: Thu, 23 Jun 2016 10:12:10 +0300	[thread overview]
Message-ID: <20160623071210.GA23995@leon.nu> (raw)
In-Reply-To: <20160623052701.GB30933-2ukJVAZIZ/Y@public.gmane.org>

[-- Attachment #1: Type: text/plain, Size: 2134 bytes --]

On Thu, Jun 23, 2016 at 08:27:01AM +0300, Leon Romanovsky wrote:
> On Wed, Jun 22, 2016 at 11:23:59AM -0700, Joe Perches wrote:
> > The logging macros create a bit of duplicated code/text.
> > 
> > Use specialized functions to reduce the duplication.
> > 
> > (defconfig/x86-64)
> > $ size drivers/net/ethernet/mellanox/mlx5/core/built-in.o*
> >    text	   data	    bss	    dec	    hex	filename
> >  178634	   2059	     16	 180709	  2c1e5	drivers/net/ethernet/mellanox/mlx5/core/built-in.o.new
> >  188679	   2059	     16	 190754	  2e922	drivers/net/ethernet/mellanox/mlx5/core/built-in.o.old
> > 
> > The output changes now do not include line #,
> > but do include the function offset.
> > 
> > Signed-off-by: Joe Perches <joe-6d6DIl74uiNBDgjK7y7TUQ@public.gmane.org>
> 
> As far as I see all these functions are used in error paths, so no
> implication on performance is expected.
> 
> And I'm fine with function offsets.
> 
> Saeed,
> What do you think?
> 
> Reviewed-by: Leon Romanovsky <leonro-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>

I continued to play with this patch and it doesn't pass checkpatch.
It looks like corrupted file.

➜  linux-rdma git:(master) ./scripts/checkpatch.pl
~/Downloads/mellanox-mlx5-Use-logging-functions-to-reduce-text-10k-5.patch
WARNING: Possible unwrapped commit description (prefer a maximum 75 chars per line)
#21: 
 178634    2059      16  180709   2c1e5
drivers/net/ethernet/mellanox/mlx5/core/built-in.o.new

ERROR: patch seems to be corrupt (line wrapped?)
#46: FILE: drivers/net/ethernet/mellanox/mlx5/core/main.c:1556:

CHECK: Alignment should match open parenthesis
#78: FILE: drivers/net/ethernet/mellanox/mlx5/core/main.c:1586:
+       dev_warn(&dev->pdev->dev, "%s:%pS:(pid %d): %pV",
+                dev->priv.name, __builtin_return_address(0), current->pid,

ERROR: space required before that '&' (ctx:VxV)
#79: FILE: drivers/net/ethernet/mellanox/mlx5/core/main.c:1587:
+                &vaf);
                  ^
total: 2 errors, 1 warnings, 1 checks, 58 lines  checked

[-- Attachment #2: Digital signature --]
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  parent reply	other threads:[~2016-06-23  7:12 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-22 18:23 [PATCH] mellanox: mlx5: Use logging functions to reduce text ~10k/5% Joe Perches
2016-06-22 18:23 ` Joe Perches
2016-06-22 20:40 ` Jason Gunthorpe
     [not found]   ` <20160622204056.GB20838-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-06-22 22:20     ` Joe Perches
2016-06-22 22:20       ` Joe Perches
     [not found] ` <1466619839.13093.4.camel-6d6DIl74uiNBDgjK7y7TUQ@public.gmane.org>
2016-06-23  5:27   ` Leon Romanovsky
2016-06-23  5:27     ` Leon Romanovsky
2016-06-23  5:27     ` Leon Romanovsky
     [not found]     ` <20160623052701.GB30933-2ukJVAZIZ/Y@public.gmane.org>
2016-06-23  7:12       ` Leon Romanovsky [this message]
2016-06-23  7:12         ` Leon Romanovsky
2016-06-23  7:12         ` Leon Romanovsky
2016-06-23  8:12       ` Saeed Mahameed
2016-06-23  8:12         ` Saeed Mahameed
2016-06-23  8:09   ` Saeed Mahameed
2016-06-23  8:09     ` Saeed Mahameed

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