From: Jakub Kicinski <kuba@kernel.org>
To: Sagi Maimon <maimon.sagi@gmail.com>
Cc: richardcochran@gmail.com, reibax@gmail.com, davem@davemloft.net,
rrameshbabu@nvidia.com, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, maheshb@google.com
Subject: Re: [PATCH v1] ptp: add PTP_MULTI_CLOCK_GET ioctl
Date: Wed, 22 Nov 2023 20:10:58 -0800 [thread overview]
Message-ID: <20231122201058.0bfb07a9@kernel.org> (raw)
In-Reply-To: <20231122074352.473943-1-maimon.sagi@gmail.com>
On Wed, 22 Nov 2023 09:43:52 +0200 Sagi Maimon wrote:
> Some user space applications need to read some clocks.
> Each read requires moving from user space to kernel space.
> This asymmetry causes the measured offset to have a significant error.
Please CC maheshb@google.com on v2, he was doing something similar
recently.
next prev parent reply other threads:[~2023-11-23 4:11 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-22 7:43 [PATCH v1] ptp: add PTP_MULTI_CLOCK_GET ioctl Sagi Maimon
2023-11-22 22:03 ` Richard Cochran
2023-11-23 4:10 ` Jakub Kicinski [this message]
2023-11-23 6:21 ` Richard Cochran
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