Re: [PATCH V3] 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(a)linux.ibm.com&gt; --- Changes in V3: * Handle failure while un-register'ing in fallback method kdumpctl | 23 ++++++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-) diff --git a/kdumpctl b/kdumpctl index de6da39..eb030eb 100755 --- a/kdumpctl +++ b/kdumpctl @@ -1047,7 +1047,8 @@ reload() fi if [ $DEFAULT_DUMP_MODE == "fadump" ]; then - stop_fadump + reload_fadump + return $? else stop_kdump fi @@ -1103,6 +1104,26 @@ stop_kdump() return 0 } +reload_fadump() +{ + echo 1 > $FADUMP_REGISTER_SYS_NODE + if [ $? == 0 ]; then + echo "fadump: re-registered successfully" + return 0 + else + # FADump could fail on older kernel where re-register + # support is not enabled. Try stop/start from userspace + # to handle such scenario. + stop_fadump + if [ $? == 0 ]; then + start_fadump + return $? + fi + fi + + return 1 +} + stop() { if [ $DEFAULT_DUMP_MODE == "fadump" ]; then _______________________________________________ kexec mailing list -- kexec(a)lists.fedoraproject.org To unsubscribe send an email to kexec-leave(a)lists.fedoraproject.org Fedora Code of Conduct: https://getfedora.org/code-of-conduct.html List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/kexec@lists.fedoraproject.org