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From: Jakub Kicinski <kuba@kernel.org>
To: Ivan Vecera <ivecera@redhat.com>
Cc: Leon Romanovsky <leon@kernel.org>,
	Tony Nguyen <anthony.l.nguyen@intel.com>,
	davem@davemloft.net, pabeni@redhat.com, edumazet@google.com,
	netdev@vger.kernel.org, Ma Yuying <yuma@redhat.com>,
	Simon Horman <simon.horman@corigine.com>,
	Rafal Romanowski <rafal.romanowski@intel.com>
Subject: Re: [PATCH net-next 1/2] i40e: Add helper for VF inited state check with timeout
Date: Wed, 12 Jul 2023 10:31:36 -0700	[thread overview]
Message-ID: <20230712103136.1a85eb91@kernel.org> (raw)
In-Reply-To: <cd7a39b2-c73e-6919-7ae5-5a2cea5a3ed9@redhat.com>

On Wed, 12 Jul 2023 15:18:29 +0200 Ivan Vecera wrote:
> > This error is not accurate in the edge case, when VF state changed to
> > be INIT during msleep() while i was 14.
> > 
> > Thanks  
> 
> Would you like to add an extra check after the cycle or just increase 
> limit from 15 to 16 (there will be an extra msleep)...

15 or 16 is of lesser importance, the bigger irritant is that the last
sleep is no pointless. I'd move the condition check into the middle of
the loop:

for (i = 0;; i++) {
	if (test())
		return GOOD;

	if (i >= 15)
		return BAD;

	take_a_nap();
}

  reply	other threads:[~2023-07-12 17:31 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-10 16:40 [PATCH net-next 0/2][pull request] Intel Wired LAN Driver Updates 2023-07-10 (i40e) Tony Nguyen
2023-07-10 16:40 ` [PATCH net-next 1/2] i40e: Add helper for VF inited state check with timeout Tony Nguyen
2023-07-11 12:09   ` Leon Romanovsky
2023-07-12  0:37     ` Jakub Kicinski
2023-07-12 13:28       ` Ivan Vecera
2023-07-12 13:18     ` Ivan Vecera
2023-07-12 17:31       ` Jakub Kicinski [this message]
2023-07-10 16:40 ` [PATCH net-next 2/2] i40e: Wait for pending VF reset in VF set callbacks Tony Nguyen
2023-07-11 12:10   ` Leon Romanovsky
  -- strict thread matches above, loose matches on Subject: below --
2023-06-13 12:16 [PATCH net-next 1/2] i40e: Add helper for VF inited state check with timeout Ivan Vecera
2023-06-14  8:26 ` Simon Horman

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