Commit 74f8f557 authored by Heiko Carstens's avatar Heiko Carstens Committed by Martin Schwidefsky

[S390] Don't use small stacks when lockdep is used.

The lock dependency validator adds a bunch of extra stack frames to
the stack, which can cause stack overflows. Especially seen on 31 bit
where the small stack is only 4k.
Signed-off-by: default avatarHeiko Carstens <>
Signed-off-by: default avatarMartin Schwidefsky <>
parent 47af5518
......@@ -178,7 +178,7 @@ config PACK_STACK
bool "Use 4kb/8kb for kernel stack instead of 8kb/16kb"
depends on PACK_STACK
depends on PACK_STACK && !LOCKDEP
If you say Y here and the compiler supports the -mkernel-backchain
option the kernel will use a smaller kernel stack size. For 31 bit
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