From: Simon Horman <simon.horman@corigine.com>
To: Daniel.Machon@microchip.com
Cc: netdev@vger.kernel.org, davem@davemloft.net, edumazet@google.com,
kuba@kernel.org, pabeni@redhat.com, Lars.Povlsen@microchip.com,
Steen.Hegelund@microchip.com, UNGLinuxDriver@microchip.com,
joe@perches.com, richardcochran@gmail.com,
casper.casan@gmail.com, Horatiu.Vultur@microchip.com,
shangxiaojing@huawei.com, rmk+kernel@armlinux.org.uk,
nhuck@google.com, error27@gmail.com,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH net-next 03/10] net: microchip: sparx5: add support for Service Dual Leacky Buckets
Date: Mon, 6 Feb 2023 11:18:23 +0100 [thread overview]
Message-ID: <Y+DT78lbinHKcxvb@corigine.com> (raw)
In-Reply-To: <Y+ANVTMT7jgV0i0l@DEN-LT-70577>
On Sun, Feb 05, 2023 at 08:11:02PM +0000, Daniel.Machon@microchip.com wrote:
> Hi Simon,
>
> Thanks for reviewing my patches, appreciate it!
>
> > > +static u32 sparx5_sdlb_group_get_last(struct sparx5 *sparx5, u32 group)
> > > +{
> > > + u32 itr, next;
> > > +
> > > + itr = sparx5_sdlb_group_get_first(sparx5, group);
> > > +
> > > + for (;;) {
> >
> > Unbounded loops like this give me some apprehension.
> > Will they always terminate?
>
> Yes, it will always terminate - unless the add() del() functions are
> buggy to begin with.
>
> The end of the leak chain is marked by an index pointing to itself, and
> this is the exit condition I am looking for in the unbounded loop.
Thanks for confirming, much appreciated.
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next prev parent reply other threads:[~2023-02-06 10:19 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-02 10:43 [PATCH net-next 00/10] Add support for PSFP in Sparx5 Daniel Machon
2023-02-02 10:43 ` [PATCH net-next 01/10] net: microchip: add registers needed for PSFP Daniel Machon
2023-02-04 12:47 ` Simon Horman
2023-02-02 10:43 ` [PATCH net-next 02/10] net: microchip: sparx5: add resource pools Daniel Machon
2023-02-04 12:47 ` Simon Horman
2023-02-02 10:43 ` [PATCH net-next 03/10] net: microchip: sparx5: add support for Service Dual Leacky Buckets Daniel Machon
2023-02-04 12:53 ` Simon Horman
2023-02-05 20:11 ` Daniel.Machon
2023-02-06 10:18 ` Simon Horman [this message]
2023-02-02 10:43 ` [PATCH net-next 04/10] net: microchip: sparx5: add support for service policers Daniel Machon
2023-02-04 12:53 ` Simon Horman
2023-02-02 10:43 ` [PATCH net-next 05/10] net: microchip: sparx5: add support for PSFP flow-meters Daniel Machon
2023-02-04 12:54 ` Simon Horman
2023-02-02 10:43 ` [PATCH net-next 06/10] net: microchip: sparx5: add function for calculating PTP basetime Daniel Machon
2023-02-04 12:55 ` Simon Horman
2023-02-02 10:43 ` [PATCH net-next 07/10] net: microchip: sparx5: add support for PSFP stream gates Daniel Machon
2023-02-04 12:56 ` Simon Horman
2023-02-02 10:43 ` [PATCH net-next 08/10] net: microchip: sparx5: add support for PSFP stream filters Daniel Machon
2023-02-04 12:56 ` Simon Horman
2023-02-02 10:43 ` [PATCH net-next 09/10] net: microchip: sparx5: initialize PSFP Daniel Machon
2023-02-04 12:46 ` Simon Horman
2023-02-02 10:43 ` [PATCH net-next 10/10] sparx5: add support for configuring PSFP via tc Daniel Machon
2023-02-04 12:57 ` Simon Horman
2023-02-06 8:50 ` [PATCH net-next 00/10] Add support for PSFP in Sparx5 patchwork-bot+netdevbpf
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