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authorDave Hansen <dave@linux.vnet.ibm.com>2013-07-02 00:04:42 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2013-07-04 22:25:39 +0400
commitd1a1dc0be866219f7a613c6368c6a036b8eefe03 (patch)
tree3e82bc03670f24e26cb340278e6bc2abd8f7f54b /arch/openrisc/Kconfig
parent8bb495e3f02401ee6f76d1b1d77f3ac9f079e376 (diff)
downloadlinux-d1a1dc0be866219f7a613c6368c6a036b8eefe03.tar.xz
consolidate per-arch stack overflow debugging options
Original posting: http://lkml.kernel.org/r/20121214184202.F54094D9@kernel.stglabs.ibm.com Several architectures have similar stack debugging config options. They all pretty much do the same thing, some with slightly differing help text. This patch changes the architectures to instead enable a Kconfig boolean, and then use that boolean in the generic Kconfig.debug to present the actual menu option. This removes a bunch of duplication and adds consistency across arches. Signed-off-by: Dave Hansen <dave@linux.vnet.ibm.com> Reviewed-by: H. Peter Anvin <hpa@zytor.com> Reviewed-by: James Hogan <james.hogan@imgtec.com> Acked-by: Chris Metcalf <cmetcalf@tilera.com> [for tile] Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/openrisc/Kconfig')
-rw-r--r--arch/openrisc/Kconfig11
1 files changed, 1 insertions, 10 deletions
diff --git a/arch/openrisc/Kconfig b/arch/openrisc/Kconfig
index 1072bfd18c50..99dbab1c59ac 100644
--- a/arch/openrisc/Kconfig
+++ b/arch/openrisc/Kconfig
@@ -22,6 +22,7 @@ config OPENRISC
select GENERIC_STRNCPY_FROM_USER
select GENERIC_STRNLEN_USER
select MODULES_USE_ELF_RELA
+ select HAVE_DEBUG_STACKOVERFLOW
config MMU
def_bool y
@@ -128,16 +129,6 @@ config CMDLINE
menu "Debugging options"
-config DEBUG_STACKOVERFLOW
- bool "Check for kernel stack overflow"
- default y
- help
- Make extra checks for space available on stack in some
- critical functions. This will cause kernel to run a bit slower,
- but will catch most of kernel stack overruns and exit gracefully.
-
- Say Y if you are unsure.
-
config JUMP_UPON_UNHANDLED_EXCEPTION
bool "Try to die gracefully"
default y