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authorMatt Mackall <mpm@selenic.com>2006-01-08 01:05:24 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-08 20:14:11 -0800
commit22c4e3084eb8b88288a622a57d8b35c450a439f2 (patch)
tree5d763dcb1f451aa2a89c779c5a68fb6882dadfb6 /init/Kconfig
parent18e92b12e83bef077a31ba6871f1aec3621b69e3 (diff)
downloadlinux-22c4e3084eb8b88288a622a57d8b35c450a439f2.tar.bz2
[PATCH] tiny: Make x86 doublefault handling optional
This adds configurable support for doublefault reporting on x86 add/remove: 0/3 grow/shrink: 0/1 up/down: 0/-13048 (-13048) function old new delta cpu_init 846 786 -60 doublefault_fn 188 - -188 doublefault_stack 4096 - -4096 doublefault_tss 8704 - -8704 Signed-off-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'init/Kconfig')
-rw-r--r--init/Kconfig9
1 files changed, 9 insertions, 0 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 0c9932f9f06b..0eb65f2ad8c9 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -309,6 +309,15 @@ config BUG
option for embedded systems with no facilities for reporting errors.
Just say Y.
+config DOUBLEFAULT
+ depends X86
+ default y if X86
+ bool "Enable doublefault exception handler" if EMBEDDED
+ help
+ This option allows trapping of rare doublefault exceptions that
+ would otherwise cause a system to silently reboot. Disabling this
+ option saves about 4k.
+
config BASE_FULL
default y
bool "Enable full-sized data structures for core" if EMBEDDED