dracut: Implement ACPI table overriding
An example config file for this feature could be: /etc/dracut.conf.d/03-acpi-override.conf with this content: acpi_override="yes" acpi_table_dir="/etc/dracut.conf.d/acpi_tables" Then all files ending with *.aml will be put into the early cpio (kernel/firmware/acpi) and will be used to replace the BIOS provided tables if the kernel supports this feature. Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: Thomas Renninger <trenn@suse.de>
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ff33b57676
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ebc7f823c0
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dracut.sh
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dracut.sh
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@ -1337,6 +1337,17 @@ if [[ $early_microcode = yes ]]; then
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done
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fi
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if [[ $acpi_override = yes ]] && [[ -d $acpi_table_dir ]]; then
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dinfo "*** Packaging ACPI tables to override BIOS provided ones ***"
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_dest_dir="$early_cpio_dir/d/kernel/firmware/acpi"
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mkdir -p $_dest_dir
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for table in $acpi_table_dir/*.aml; do
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dinfo " Adding ACPI table: $table"
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cp $table $_dest_dir
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create_early_cpio="yes"
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done
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fi
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rm -f -- "$outfile"
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dinfo "*** Creating image file ***"
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if [[ $create_early_cpio = yes ]]; then
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