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zdev/dracut: import persistent config of early devices into kdump initrd

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The existing code can already determine the required devices for the
actively running system. In case users would have a need to configure
additional devices for early boot in kdump initrd, import those devices
marked with "zdev:early=1" for completeness. Assuming this is a small
number of devices and could even overlap between the root-fs and the kdump
case, do not further distinguish those two sets of devices.

Github-ID: https://github.com/ibm-s390-linux/s390-tools/pull/158
Reviewed-by: Vineeth Vijayan <vneethv@linux.ibm.com>
Acked-by: Vineeth Vijayan <vneethv@linux.ibm.com>
Acked-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Steffen Maier <maier@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Steffen Maier
2023-08-31 17:13:54 +02:00
committed by Jan Höppner
parent 7e8126704b
commit 9d08fd8c7e
1 changed files with 5 additions and 0 deletions
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5
zdev/dracut/95zdev-kdump/module-setup.sh
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@@ -81,6 +81,11 @@ install() {
for_each_host_dev_and_slaves_all check_zdev
sed -i -e 's/^\[active /\[persistent /' "$_tempfile"
# in addition to active devices above, also add persistent config
# of devices the user marked for early initrd use
chzdev --export - --persistent --by-attrib "zdev:early=1" --quiet \
--type 2>/dev/null >> "$_tempfile"
ddebug < "$_tempfile"
# Apply via --import to prevent other devices from being configured