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-rw-r--r--arch/x86/Kconfig.debug13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
index 092f019e033..2a3dfbd5e67 100644
--- a/arch/x86/Kconfig.debug
+++ b/arch/x86/Kconfig.debug
@@ -43,6 +43,19 @@ config EARLY_PRINTK
43 with klogd/syslogd or the X server. You should normally N here, 43 with klogd/syslogd or the X server. You should normally N here,
44 unless you want to debug such a crash. 44 unless you want to debug such a crash.
45 45
46config EARLY_PRINTK_DBGP
47 bool "Early printk via EHCI debug port"
48 default n
49 depends on EARLY_PRINTK && PCI
50 help
51 Write kernel log output directly into the EHCI debug port.
52
53 This is useful for kernel debugging when your machine crashes very
54 early before the console code is initialized. For normal operation
55 it is not recommended because it looks ugly and doesn't cooperate
56 with klogd/syslogd or the X server. You should normally N here,
57 unless you want to debug such a crash. You need usb debug device.
58
46config DEBUG_STACKOVERFLOW 59config DEBUG_STACKOVERFLOW
47 bool "Check for stack overflows" 60 bool "Check for stack overflows"
48 depends on DEBUG_KERNEL 61 depends on DEBUG_KERNEL