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From: "Arinzon, David" <darinzon@amazon.com>
To: Jakub Kicinski <kuba@kernel.org>
Cc: David Miller <davem@davemloft.net>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"Woodhouse, David" <dwmw@amazon.co.uk>,
	"Machulsky, Zorik" <zorik@amazon.com>,
	"Matushevsky, Alexander" <matua@amazon.com>,
	"Bshara, Saeed" <saeedb@amazon.com>,
	"Wilson, Matt" <msw@amazon.com>,
	"Liguori, Anthony" <aliguori@amazon.com>,
	"Bshara, Nafea" <nafea@amazon.com>,
	"Belgazal, Netanel" <netanel@amazon.com>,
	"Saidi, Ali" <alisaidi@amazon.com>,
	"Herrenschmidt, Benjamin" <benh@amazon.com>,
	"Kiyanovski, Arthur" <akiyano@amazon.com>,
	"Dagan, Noam" <ndagan@amazon.com>,
	"Agroskin, Shay" <shayagr@amazon.com>,
	"Itzko, Shahar" <itzko@amazon.com>,
	"Abboud, Osama" <osamaabb@amazon.com>,
	"Ostrovsky, Evgeny" <evostrov@amazon.com>,
	"Tabachnik, Ofir" <ofirt@amazon.com>
Subject: RE: [PATCH v1 net-next 6/6] net: ena: Add a field for no interrupt moderation update action
Date: Wed, 8 May 2024 05:55:50 +0000	[thread overview]
Message-ID: <6f5415915976495f8252411c317aedbb@amazon.com> (raw)
In-Reply-To: <20240507193111.5d24343c@kernel.org>

> On Mon, 6 May 2024 07:04:53 +0000 darinzon@amazon.com wrote:
> > +     for (i = 0; i < adapter->num_io_queues; i++) {
> > +             adapter->rx_ring[i].interrupt_interval_changed =
> 
> Shouldn't this be |= ?
> 

Hi Jakub,

Thank you for reviewing the patch.

This is a true/false indicator, it doesn't require history/previous value to be considered.
Therefore, not sure I see the how |= can help us in the logic here.
The flag is set here to true if during the interrupt moderation update, which is, in this flow,
triggered by an ethtool operation, the moderation value has changed from the currently
configurated one.

> > +                     adapter->rx_ring[i].interrupt_interval != val;
> > +             adapter->rx_ring[i].interrupt_interval = val;
> > +     }

  reply	other threads:[~2024-05-08  5:55 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-06  7:04 [PATCH v1 net-next 0/6] ENA driver changes May 2024 darinzon
2024-05-06  7:04 ` [PATCH v1 net-next 1/6] net: ena: Add a counter for driver's reset failures darinzon
2024-05-06  7:04 ` [PATCH v1 net-next 2/6] net: ena: Reduce holes in ena_com structures darinzon
2024-05-06  7:04 ` [PATCH v1 net-next 3/6] net: ena: Add validation for completion descriptors consistency darinzon
2024-05-08  2:33   ` Jakub Kicinski
2024-05-08  6:01     ` Arinzon, David
2024-05-06  7:04 ` [PATCH v1 net-next 4/6] net: ena: Changes around strscpy calls darinzon
2024-05-06  7:04 ` [PATCH v1 net-next 5/6] net: ena: Change initial rx_usec interval darinzon
2024-05-06  7:04 ` [PATCH v1 net-next 6/6] net: ena: Add a field for no interrupt moderation update action darinzon
2024-05-08  2:31   ` Jakub Kicinski
2024-05-08  5:55     ` Arinzon, David [this message]
2024-05-08 15:33       ` Jakub Kicinski
2024-05-09  7:25         ` Arinzon, David

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