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From: Simon Horman <horms@kernel.org>
To: Tony Nguyen <anthony.l.nguyen@intel.com>
Cc: aleksandr.loktionov@intel.com, netdev@vger.kernel.org,
	intel-wired-lan@lists.osuosl.org
Subject: Re: [Intel-wired-lan] [PATCH iwl-next] ice: do not carry link status over to link event data
Date: Sat, 21 Mar 2026 09:18:57 +0000	[thread overview]
Message-ID: <20260321091857.GU74886@horms.kernel.org> (raw)
In-Reply-To: <c1731a39-bcb1-408a-9630-f8878c270d05@intel.com>

On Fri, Mar 20, 2026 at 03:05:24PM -0700, Tony Nguyen wrote:
> 
> 
> On 3/20/2026 12:33 PM, Simon Horman wrote:
> > This is an AI-generated review of your patch. The human sending this
> > email has considered the AI review valid, or at least plausible.
> > 
> > For local reproduction steps see https://netdev-ai.bots.linux.dev/ai-local.html
> > ---
> > ice: do not carry link status over to link event data
> > 
> > This patch removes code that updated the link_up parameter with the
> > current firmware state after calling ice_update_link_info().
> > 
> > > diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
> > > index e7308e381e2f..348c86b7328d 100644
> > > --- a/drivers/net/ethernet/intel/ice/ice_main.c
> > > +++ b/drivers/net/ethernet/intel/ice/ice_main.c
> > > @@ -1127,12 +1127,6 @@ ice_link_event(struct ice_pf *pf, struct ice_port_info *pi, bool link_up,
> > > 
> > >   	ice_check_link_cfg_err(pf, pi->phy.link_info.link_cfg_err);
> > > 
> > > -	/* Check if the link state is up after updating link info, and treat
> > > -	 * this event as an UP event since the link is actually UP now.
> > > -	 */
> > > -	if (phy_info->link_info.link_info & ICE_AQ_LINK_UP)
> > > -		link_up = true;
> > > -
> > 
> > Could removing this check create a race condition with stale link events?
> 
> This was a part of other changes that allows this to happen. By itself, as
> evidenced here, it does not.

Thanks for the clarification, much appreciated.

WARNING: multiple messages have this Message-ID (diff)
From: Simon Horman <horms@kernel.org>
To: Tony Nguyen <anthony.l.nguyen@intel.com>
Cc: aleksandr.loktionov@intel.com, netdev@vger.kernel.org,
	intel-wired-lan@lists.osuosl.org
Subject: Re: [PATCH iwl-next] ice: do not carry link status over to link event data
Date: Sat, 21 Mar 2026 09:18:57 +0000	[thread overview]
Message-ID: <20260321091857.GU74886@horms.kernel.org> (raw)
In-Reply-To: <c1731a39-bcb1-408a-9630-f8878c270d05@intel.com>

On Fri, Mar 20, 2026 at 03:05:24PM -0700, Tony Nguyen wrote:
> 
> 
> On 3/20/2026 12:33 PM, Simon Horman wrote:
> > This is an AI-generated review of your patch. The human sending this
> > email has considered the AI review valid, or at least plausible.
> > 
> > For local reproduction steps see https://netdev-ai.bots.linux.dev/ai-local.html
> > ---
> > ice: do not carry link status over to link event data
> > 
> > This patch removes code that updated the link_up parameter with the
> > current firmware state after calling ice_update_link_info().
> > 
> > > diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
> > > index e7308e381e2f..348c86b7328d 100644
> > > --- a/drivers/net/ethernet/intel/ice/ice_main.c
> > > +++ b/drivers/net/ethernet/intel/ice/ice_main.c
> > > @@ -1127,12 +1127,6 @@ ice_link_event(struct ice_pf *pf, struct ice_port_info *pi, bool link_up,
> > > 
> > >   	ice_check_link_cfg_err(pf, pi->phy.link_info.link_cfg_err);
> > > 
> > > -	/* Check if the link state is up after updating link info, and treat
> > > -	 * this event as an UP event since the link is actually UP now.
> > > -	 */
> > > -	if (phy_info->link_info.link_info & ICE_AQ_LINK_UP)
> > > -		link_up = true;
> > > -
> > 
> > Could removing this check create a race condition with stale link events?
> 
> This was a part of other changes that allows this to happen. By itself, as
> evidenced here, it does not.

Thanks for the clarification, much appreciated.

  reply	other threads:[~2026-03-21  9:19 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-20  5:05 [Intel-wired-lan] [PATCH iwl-next] ice: do not carry link status over to link event data Aleksandr Loktionov
2026-03-20  5:05 ` Aleksandr Loktionov
2026-03-20 19:33 ` [Intel-wired-lan] " Simon Horman
2026-03-20 19:33   ` Simon Horman
2026-03-20 22:05   ` [Intel-wired-lan] " Tony Nguyen
2026-03-20 22:05     ` Tony Nguyen
2026-03-21  9:18     ` Simon Horman [this message]
2026-03-21  9:18       ` Simon Horman

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