haveged: run early in oneshot mode

Run haveged in oneshot mode when /dev/random becomes available. This ensures some entropy is available as soon as possible during the boot process. This is mostly relevant on ccgx where the crng initialisation otherwise takes a very long time.
victronenergy · Feb 19, 2025 · 01734cc · 01734cc
1 parent 237cff4
commit 01734cc
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diff --git a/meta-venus/recipes-extended/haveged/haveged.rules b/meta-venus/recipes-extended/haveged/haveged.rules
@@ -0,0 +1 @@
+ACTION=="add", KERNEL=="random", RUN+="/usr/sbin/haveged -F -w 1024 --once"
diff --git a/meta-venus/recipes-extended/haveged/haveged_%.bbappend b/meta-venus/recipes-extended/haveged/haveged_%.bbappend
@@ -0,0 +1,9 @@
+FILESEXTRAPATHS:prepend := "${THISDIR}:"
+
+SRC_URI += "\
+    file://haveged.rules \
+"
+
+do_install:append() {
+    install -D -m 644 ${UNPACKDIR}/haveged.rules ${D}${sysconfdir}/udev/rules.d/55-haveged.rules
+}
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		ACTION=="add", KERNEL=="random", RUN+="/usr/sbin/haveged -F -w 1024 --once"