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udev: Add rule for /dev/ptp_hyperv systemd unit #116

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merged 1 commit into from
Mar 26, 2024

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@jepio jepio commented Mar 25, 2024

This allows services (such as chrony) to have a dependency on /dev/ptp_hyperv being present.

Inspired by: microsoft/azurelinux#6234.

This allows services (such as chrony) to have a dependency on
/dev/ptp_hyperv being present.

Inspired by: microsoft/azurelinux#6234.

Signed-off-by: Jeremi Piotrowski <jpiotrowski@microsoft.com>
@jepio jepio requested a review from a team March 25, 2024 16:54
@@ -0,0 +1 @@
ACTION=="add", SUBSYSTEM=="ptp", ATTR{clock_name}=="hyperv", TAG+="systemd"
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Is there no upstream place where this rule could live?

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unfortunately not

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Wouldn't this be something for the systemd repo?

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i think not - it's specific to our chronyd configuration.

but if this comes up again or we want to upstream this to other distros we'll find a place then.

@jepio jepio merged commit 3298243 into flatcar-master Mar 26, 2024
@jepio jepio deleted the ptp-hyperv-rule branch March 26, 2024 14:25
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jepio commented Apr 5, 2024

@pothos this rule is actually unnecessary since systemd v255: https://github.com/systemd/systemd/pull/28973/files

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2 participants