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From: Hangbin Liu <hangbin.liu@linux.dev>
To: Nikolay Aleksandrov <razor@blackwall.org>
Cc: David Laight <david.laight.linux@gmail.com>,
	Jay Vosburgh <jv@jvosburgh.net>,
	Andrew Lunn <andrew+netdev@lunn.ch>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Simon Horman <horms@kernel.org>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	Hangbin Liu <liuhangbin@kylinos.cn>
Subject: Re: [PATCH net v5 2/2] bonding: fix u32 overflow in compute_gap()
Date: Mon, 31 Aug 2026 09:23:31 +0800	[thread overview]
Message-ID: <apTXkxseTr_1to2u@fedora> (raw)
In-Reply-To: <31228099-41a8-4976-acc3-9b320a5012ea@blackwall.org>

On Fri, Aug 28, 2026 at 12:19:47PM +0300, Nikolay Aleksandrov wrote:
> > > How is that relevant to these patches?
> > > And how does that help at all if today that is done at about 10 second interval?
> > 
> > The 10 seconds is almost certainly completely arbitrary.
> > It is relevant because the 64bit divide is significantly expensive on 32bit.
> > 
> > David
> > 
> 
> Yeah, that is clear. But currently that recalculation is done once every 10
> seconds, such optimizations will be noise. Regardless of that, these changes
> are unrelated to the problem he is fixing with the set.

+1.

Thanks
Hangbin

      reply	other threads:[~2026-08-31  1:23 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-25  1:01 [PATCH net v5 0/2] bonding: fix TLB load-tracking overflow on high-speed NICs Hangbin Liu
2026-08-25  1:01 ` [PATCH net v5 1/2] bonding: convert unbalanced_load to per-cpu state Hangbin Liu
2026-08-26  7:34   ` Nikolay Aleksandrov
2026-08-25  1:01 ` [PATCH net v5 2/2] bonding: fix u32 overflow in compute_gap() Hangbin Liu
2026-08-26  7:34   ` Nikolay Aleksandrov
2026-08-27 13:42   ` Paolo Abeni
2026-08-28  1:28     ` Hangbin Liu
2026-08-27 18:20   ` David Laight
2026-08-27 19:09     ` Nikolay Aleksandrov
2026-08-27 20:56       ` David Laight
2026-08-28  9:19         ` Nikolay Aleksandrov
2026-08-31  1:23           ` Hangbin Liu [this message]

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