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From: Jakub Kicinski <kuba@kernel.org>
To: Simon Horman <horms@kernel.org>
Cc: Peter Seiderer <ps.report@gmx.net>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-kselftest@vger.kernel.org,
	"David S . Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Paolo Abeni <pabeni@redhat.com>, Shuah Khan <shuah@kernel.org>,
	Artem Chernyshev <artem.chernyshev@red-soft.ru>,
	Nam Cao <namcao@linutronix.de>,
	Frederic Weisbecker <frederic@kernel.org>
Subject: Re: [PATCH net-next v5 8/8] net: pktgen: use defines for the various dec/hex number parsing digits lengths
Date: Mon, 17 Feb 2025 09:47:40 -0800	[thread overview]
Message-ID: <20250217094740.76a25671@kernel.org> (raw)
In-Reply-To: <20250216091739.GW1615191@kernel.org>

On Sun, 16 Feb 2025 09:17:39 +0000 Simon Horman wrote:
> On Fri, Feb 14, 2025 at 08:11:45PM -0800, Jakub Kicinski wrote:
> > On Thu, 13 Feb 2025 12:00:25 +0100 Peter Seiderer wrote:  
> > > Use defines for the various dec/hex number parsing digits lengths
> > > (hex32_arg/num_arg calls).  
> > 
> > I don't understand the value of this patch, TBH.
> > 
> > Example:
> > 
> > +#define HEX_2_DIGITS 2
> > 
> > -		len = hex32_arg(&user_buffer[i], 2, &tmp_value);
> > +		len = hex32_arg(&user_buffer[i], HEX_2_DIGITS, &tmp_value);
> > 
> > The word hex is already there.
> > There is still a two.
> > I don't think the new define has any explanatory power?
> > 
> > Previous 7 patches look ready indeed.  
> 
> This one is on me. I felt the magic number 2 and so on
> was unclear. But if you prefer the code as-is that is fine by me too.

I agree that it's a bit hard to guess what the call does and what 
the arguments are. To me at least, the constants as named don't help. 
We can get a third opinion, or if none is provided skip the patch for
now?

  reply	other threads:[~2025-02-17 17:47 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-13 11:00 [PATCH net-next v5 0/8] Some pktgen fixes/improvments (part I) Peter Seiderer
2025-02-13 11:00 ` [PATCH net-next v5 1/8] net: pktgen: replace ENOTSUPP with EOPNOTSUPP Peter Seiderer
2025-02-13 11:00 ` [PATCH net-next v5 2/8] net: pktgen: enable 'param=value' parsing Peter Seiderer
2025-02-16  9:21   ` Simon Horman
2025-02-13 11:00 ` [PATCH net-next v5 3/8] net: pktgen: fix hex32_arg parsing for short reads Peter Seiderer
2025-02-13 11:00 ` [PATCH net-next v5 4/8] net: pktgen: fix 'rate 0' error handling (return -EINVAL) Peter Seiderer
2025-02-13 11:00 ` [PATCH net-next v5 5/8] net: pktgen: fix 'ratep " Peter Seiderer
2025-02-13 11:00 ` [PATCH net-next v5 6/8] net: pktgen: fix ctrl interface command parsing Peter Seiderer
2025-02-13 11:00 ` [PATCH net-next v5 7/8] net: pktgen: fix access outside of user given buffer in pktgen_thread_write() Peter Seiderer
2025-02-13 11:00 ` [PATCH net-next v5 8/8] net: pktgen: use defines for the various dec/hex number parsing digits lengths Peter Seiderer
2025-02-15  4:11   ` Jakub Kicinski
2025-02-16  9:17     ` Simon Horman
2025-02-17 17:47       ` Jakub Kicinski [this message]
2025-02-18 13:29         ` Simon Horman
2025-02-19  8:30           ` Peter Seiderer
2025-02-18 12:32     ` Edward Cree

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