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From: Richard Cochran <richardcochran@gmail.com>
To: "Mintz, Yuval" <Yuval.Mintz@cavium.com>
Cc: David Laight <David.Laight@ACULAB.COM>,
	"Kalluru, Sudarsana" <Sudarsana.Kalluru@cavium.com>,
	"davem@davemloft.net" <davem@davemloft.net>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>
Subject: Re: [PATCH net-next v2 2/2] qede: Add driver support for PTP.
Date: Tue, 31 Jan 2017 18:43:27 +0100	[thread overview]
Message-ID: <20170131174327.GA21731@localhost.localdomain> (raw)
In-Reply-To: <BL2PR07MB23069DF93C3944BAB27F807F8D4A0@BL2PR07MB2306.namprd07.prod.outlook.com>

On Tue, Jan 31, 2017 at 03:08:11PM +0000, Mintz, Yuval wrote:
> While it surely answers my question, I still don't think of an event
> reoccurring 16 times a second as optimization-crucial.
> Is there any reasonable scenario where the interval is
> significantly smaller, or is it merely some theoretical specification?

Its theoretical, like ipv6 addresses.

> [I'd like to see the machine that can handle the 2^(-128) sec interval]

;)
 
> Again, I don't see how we can achieve that given that qede has to check
> Its internal state to check whether it's right to utilize the ptp-related hw
> configurations and only then call the qed function. As qed can't do it for
> qede, we can't directly map qed's function into the ptp_clock_info,
> but rather have to call it after taking qede's state-lock.

Fair enough.

Thanks,
Richard

  reply	other threads:[~2017-01-31 17:43 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-01-29  7:28 [PATCH net-next v2 0/2] qed*: Add support for PTP Sudarsana Kalluru
2017-01-29  7:28 ` [PATCH net-next v2 1/2] qed: Add infrastructure for PTP support Sudarsana Kalluru
2017-01-29  8:32   ` kbuild test robot
2017-01-29 15:28   ` Richard Cochran
2017-01-29 15:31   ` Richard Cochran
2017-01-29 17:26     ` Mintz, Yuval
2017-01-29 20:51       ` Richard Cochran
2017-01-29 21:36         ` Mintz, Yuval
2017-01-30 13:26           ` Richard Cochran
2017-01-30 18:00             ` Mintz, Yuval
2017-01-29  7:28 ` [PATCH net-next v2 2/2] qede: Add driver support for PTP Sudarsana Kalluru
2017-01-29 15:35   ` Richard Cochran
2017-01-29 17:30     ` Mintz, Yuval
2017-01-29 21:02       ` Richard Cochran
2017-01-29 21:40         ` Mintz, Yuval
2017-01-30 14:34     ` David Laight
2017-01-30 17:55       ` Mintz, Yuval
2017-01-31 10:03         ` David Laight
2017-01-31 14:31           ` Mintz, Yuval
2017-01-31 14:53             ` Richard Cochran
2017-01-31 15:08               ` Mintz, Yuval
2017-01-31 17:43                 ` Richard Cochran [this message]
2017-01-29 15:09 ` [PATCH net-next v2 0/2] qed*: Add " Richard Cochran
2017-01-29 17:23   ` Mintz, Yuval

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