diff options
Diffstat (limited to 'arch/sh/Kconfig.debug')
| -rw-r--r-- | arch/sh/Kconfig.debug | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug index 28a43d63bde1..8bcd6c1431a9 100644 --- a/arch/sh/Kconfig.debug +++ b/arch/sh/Kconfig.debug @@ -1,8 +1,5 @@ # SPDX-License-Identifier: GPL-2.0 -config TRACE_IRQFLAGS_SUPPORT - def_bool y - config SH_STANDARD_BIOS bool "Use LinuxSH standard BIOS" help @@ -18,13 +15,24 @@ config SH_STANDARD_BIOS config STACK_DEBUG bool "Check for stack overflows" - depends on DEBUG_KERNEL + depends on DEBUG_KERNEL && PRINTK help This option will cause messages to be printed if free stack space drops below a certain limit. Saying Y here will add overhead to every function call and will therefore incur a major performance hit. Most users should say N. +config EARLY_PRINTK + bool "Early printk" + depends on SH_STANDARD_BIOS + help + Say Y here to redirect kernel printk messages to the serial port + used by the SH-IPL bootloader, starting very early in the boot + process and ending when the kernel's serial console is initialised. + This option is only useful while porting the kernel to a new machine, + when the kernel may crash or hang before the serial console is + initialised. If unsure, say N. + config 4KSTACKS bool "Use 4Kb for kernel stacks instead of 8Kb" depends on DEBUG_KERNEL && (MMU || BROKEN) && !PAGE_SIZE_64KB @@ -57,6 +65,7 @@ config DUMP_CODE config DWARF_UNWINDER bool "Enable the DWARF unwinder for stacktraces" + depends on DEBUG_KERNEL select FRAME_POINTER default n help |