fadump: leverage kernel support to re-regisgter FADump
With kernel commit 0823c68b054b ("powerpc/fadump: re-register firmware- assisted dump if already registered") support is enabled to re-register when FADump is alredy registered. Leverage that option in kdump scripts. Signed-off-by: Hari Bathini <hbathini@linux.ibm.com> Acked-by: Kairui Song <kasong@redhat.com>
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23
kdumpctl
23
kdumpctl
@ -1047,7 +1047,8 @@ reload()
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fi
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if [ $DEFAULT_DUMP_MODE == "fadump" ]; then
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stop_fadump
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reload_fadump
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return $?
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else
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stop_kdump
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fi
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@ -1103,6 +1104,26 @@ stop_kdump()
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return 0
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}
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reload_fadump()
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{
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echo 1 > $FADUMP_REGISTER_SYS_NODE
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if [ $? == 0 ]; then
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echo "fadump: re-registered successfully"
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return 0
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else
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# FADump could fail on older kernel where re-register
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# support is not enabled. Try stop/start from userspace
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# to handle such scenario.
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stop_fadump
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if [ $? == 0 ]; then
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start_fadump
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return $?
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fi
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fi
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return 1
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}
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stop()
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{
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if [ $DEFAULT_DUMP_MODE == "fadump" ]; then
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