From: Ivan Vecera <ivecera@redhat.com>
To: Jakub Kicinski <kuba@kernel.org>, Leon Romanovsky <leon@kernel.org>
Cc: 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 15:28:21 +0200 [thread overview]
Message-ID: <dc1fecb7-d144-fe8b-acb5-91510fcc7848@redhat.com> (raw)
In-Reply-To: <20230711173731.54b9fa80@kernel.org>
On 12. 07. 23 2:37, Jakub Kicinski wrote:
> On Tue, 11 Jul 2023 15:09:04 +0300 Leon Romanovsky wrote:
>>> + for (i = 0; i < 15; i++) {
>>> + if (test_bit(I40E_VF_STATE_INIT, &vf->vf_states))
>>> + return true;
>>> +
>>> + msleep(20);
>>> + }
>>> +
>>> + dev_err(&vf->pf->pdev->dev, "VF %d still in reset. Try again.\n",
>>> + vf->vf_id);
>>
>> This error is not accurate in the edge case, when VF state changed to
>> be INIT during msleep() while i was 14.
>
> Right, it's a change in behavior from existing code,
> old code re-checked if INIT is set after the last sleep.
I will simplify this and add an extra check.
Thanks for the review..
I.
next prev parent reply other threads:[~2023-07-12 13:28 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 [this message]
2023-07-12 13:18 ` Ivan Vecera
2023-07-12 17:31 ` Jakub Kicinski
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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