[PATCH] sysconfig: add zfcp.allow_lun_scan to KDUMP_COMMANDLINE_REMOVE on s390

[Philipp Rudo]

Probing unnecessary I/O devices wastes memory and in extreme cases can
cause the crshkernel to run OOM. Thus remove automatic lun scanning on
s390.

Signed-off-by: Philipp Rudo <prudo(a)redhat.com&gt;
---
 gen-kdump-sysconfig.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gen-kdump-sysconfig.sh b/gen-kdump-sysconfig.sh
index bc37dee..5a16e92 100755
--- a/gen-kdump-sysconfig.sh
+++ b/gen-kdump-sysconfig.sh
@@ -97,7 +97,7 @@ ppc64le)
 s390x)
 	update_param KEXEC_ARGS "-s"
 	update_param KDUMP_COMMANDLINE_REMOVE \
-		"hugepages hugepagesz slub_debug quiet log_buf_len swiotlb vmcp_cma cma
hugetlb_cma prot_virt ignition.firstboot"
+		"hugepages hugepagesz slub_debug quiet log_buf_len swiotlb vmcp_cma cma
hugetlb_cma prot_virt ignition.firstboot zfcp.allow_lun_scan"
 	update_param KDUMP_COMMANDLINE_APPEND \
 		"nr_cpus=1 cgroup_disable=memory numa=off udev.children-max=2 panic=10
transparent_hugepage=never novmcoredd vmcp_cma=0 cma=0 hugetlb_cma=0"
 	;;
-- 
2.39.2