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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2006-12-04 15:41:10 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2006-12-04 15:41:10 +0100 |
| commit | 74f8f557fd0c6f32e17e78c9ef508ca66ef37d3a (patch) | |
| tree | 0e7e30c18a3699f48246fa82c79d197b308c4fc4 /arch/s390/Kconfig | |
| parent | 47af5518526d435d0d56a329a578f240e86eb678 (diff) | |
| download | lwn-74f8f557fd0c6f32e17e78c9ef508ca66ef37d3a.tar.gz lwn-74f8f557fd0c6f32e17e78c9ef508ca66ef37d3a.zip | |
[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: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/Kconfig')
| -rw-r--r-- | arch/s390/Kconfig | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 5b04c4095c8d..583d9ff0a571 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -178,7 +178,7 @@ config PACK_STACK config SMALL_STACK bool "Use 4kb/8kb for kernel stack instead of 8kb/16kb" - depends on PACK_STACK + depends on PACK_STACK && !LOCKDEP help 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 |