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EC2: Set PCIe eject timeout to 0

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Since PCIe device detaching is done via API, there is no opportunity
to "press the attention button a second time" and thus the 5 second
timeout mandated by PCIe serves no purpose.

MFC after:	2 weeks
Sponsored by:	Amazon

(cherry picked from commit 80febaa1714e897d67a8217edc305a0e81498a6f)
This commit is contained in:
Colin Percival 2025-03-30 21:11:23 -07:00
parent 217fce1377
commit f852f4f7b6
1 changed files with 6 additions and 0 deletions
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6
release/tools/ec2.conf
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@ -79,6 +79,12 @@ ec2_common() {
# historical "nvd" driver.
echo 'hw.nvme.use_nvd="0"' >> ${DESTDIR}/boot/loader.conf
# Reduce the timeout for PCIe Eject ("hotunplug") requests. PCIe
# mandates a 5 second timeout to allow someone to cancel the eject
# by pressing the "Attention button" a second time, but in the EC2
# environment this delay serves no purpose.
echo 'hw.pci.pcie_hp_detach_timeout="0"' >> ${DESTDIR}/boot/loader.conf
# Disable KbdInteractiveAuthentication according to EC2 requirements.
sed -i '' -e \
's/^#KbdInteractiveAuthentication yes/KbdInteractiveAuthentication no/' \