From: Richard Cochran <richardcochran@gmail.com>
To: Jakub Kicinski <kuba@kernel.org>
Cc: Jacob Keller <jacob.e.keller@intel.com>,
Tony Nguyen <anthony.l.nguyen@intel.com>,
davem@davemloft.net, netdev@vger.kernel.org, sassmann@redhat.com,
Tony Brelinski <tonyx.brelinski@intel.com>
Subject: Re: [PATCH net-next 5/8] ice: register 1588 PTP clock device object for E810 devices
Date: Mon, 14 Jun 2021 22:08:50 -0700 [thread overview]
Message-ID: <20210615050850.GB5517@localhost> (raw)
In-Reply-To: <20210614115043.4e2b48da@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
On Mon, Jun 14, 2021 at 11:50:43AM -0700, Jakub Kicinski wrote:
> tx->freq is a long, and the conversion to ppb can overflow the s32 type.
> E.g. 281474976645 will become -2 AFAICT. I hacked up phc_ctl to not do
> range checking and kernel happily accepted that value. Shall we do this?
Yes, you are right. The range check has a bug, and your fix is good.
Thanks,
Richard
next prev parent reply other threads:[~2021-06-15 5:09 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-11 16:19 [PATCH net-next 0/8][pull request] 100GbE Intel Wired LAN Driver Updates 2021-06-11 Tony Nguyen
2021-06-11 16:19 ` [PATCH net-next 1/8] ice: add support for sideband messages Tony Nguyen
2021-06-11 16:19 ` [PATCH net-next 2/8] ice: process 1588 PTP capabilities during initialization Tony Nguyen
2021-06-11 16:19 ` [PATCH net-next 3/8] ice: add support for set/get of driver-stored firmware parameters Tony Nguyen
2021-06-11 16:19 ` [PATCH net-next 4/8] ice: add low level PTP clock access functions Tony Nguyen
2021-06-11 16:19 ` [PATCH net-next 5/8] ice: register 1588 PTP clock device object for E810 devices Tony Nguyen
2021-06-11 21:18 ` Jakub Kicinski
2021-06-14 16:43 ` Jacob Keller
2021-06-14 18:08 ` Jakub Kicinski
2021-06-14 19:50 ` Keller, Jacob E
2021-06-14 20:48 ` Jakub Kicinski
2021-06-14 20:51 ` Jacob Keller
2021-06-14 22:25 ` Jakub Kicinski
2021-06-14 18:12 ` Richard Cochran
2021-06-14 18:50 ` Jakub Kicinski
2021-06-14 19:48 ` Keller, Jacob E
2021-06-15 5:08 ` Richard Cochran [this message]
2021-06-11 16:19 ` [PATCH net-next 6/8] ice: report the PTP clock index in ethtool .get_ts_info Tony Nguyen
2021-06-11 16:19 ` [PATCH net-next 7/8] ice: enable receive hardware timestamping Tony Nguyen
2021-06-11 16:20 ` [PATCH net-next 8/8] ice: enable transmit timestamps for E810 devices Tony Nguyen
2021-06-11 21:00 ` [PATCH net-next 0/8][pull request] 100GbE Intel Wired LAN Driver Updates 2021-06-11 patchwork-bot+netdevbpf
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