According to https://bugzilla.kernel.org/show_bug.cgi?id=215823, c4dc584a2d4c8d74b054f09d67e0a076767bdee5 ("hv: utils: add PTP_1588_CLOCK to Kconfig to fix build") is a problem for 5.10 since CONFIG_PTP_1588_CLOCK_OPTIONAL does not exist in 5.10. This prevents the hyper-V NIC timestamping from working, so please revert that commit.
On Sat, Apr 09, 2022 at 09:07:51AM -0700, Randy Dunlap wrote:
According to https://bugzilla.kernel.org/show_bug.cgi?id=215823, c4dc584a2d4c8d74b054f09d67e0a076767bdee5 ("hv: utils: add PTP_1588_CLOCK to Kconfig to fix build") is a problem for 5.10 since CONFIG_PTP_1588_CLOCK_OPTIONAL does not exist in 5.10. This prevents the hyper-V NIC timestamping from working, so please revert that commit.
I've reverted it, thanks for the report.
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