diff options
Diffstat (limited to 'arch/x86/Kconfig.debug')
| -rw-r--r-- | arch/x86/Kconfig.debug | 48 |
1 files changed, 24 insertions, 24 deletions
diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug index fdf1431ac8c2..0dd319e6e5b4 100644 --- a/arch/x86/Kconfig.debug +++ b/arch/x86/Kconfig.debug @@ -9,7 +9,7 @@ config EARLY_PRINTK_USB config X86_VERBOSE_BOOTUP bool "Enable verbose x86 bootup info messages" default y - ---help--- + help Enables the informational output from the decompression stage (e.g. bzImage) of the boot. If you disable this you will still see errors. Disable this if you want silent bootup. @@ -17,7 +17,7 @@ config X86_VERBOSE_BOOTUP config EARLY_PRINTK bool "Early printk" if EXPERT default y - ---help--- + help Write kernel log output directly into the VGA buffer or to a serial port. @@ -31,7 +31,7 @@ config EARLY_PRINTK_DBGP bool "Early printk via EHCI debug port" depends on EARLY_PRINTK && PCI select EARLY_PRINTK_USB - ---help--- + help Write kernel log output directly into the EHCI debug port. This is useful for kernel debugging when your machine crashes very @@ -44,7 +44,7 @@ config EARLY_PRINTK_USB_XDBC bool "Early printk via the xHCI debug port" depends on EARLY_PRINTK && PCI select EARLY_PRINTK_USB - ---help--- + help Write kernel log output directly into the xHCI debug port. One use for this feature is kernel debugging, for example when your @@ -66,7 +66,7 @@ config EFI_PGT_DUMP bool "Dump the EFI pagetable" depends on EFI select PTDUMP_CORE - ---help--- + help Enable this if you want to dump the EFI page table before enabling virtual mode. This can be used to debug miscellaneous issues with the mapping of the EFI runtime regions into that @@ -75,7 +75,7 @@ config EFI_PGT_DUMP config DEBUG_TLBFLUSH bool "Set upper limit of TLB entries to flush one-by-one" depends on DEBUG_KERNEL - ---help--- + help X86-only for now. @@ -95,7 +95,7 @@ config IOMMU_DEBUG bool "Enable IOMMU debugging" depends on GART_IOMMU && DEBUG_KERNEL depends on X86_64 - ---help--- + help Force the IOMMU to on even when you have less than 4GB of memory and add debugging code. On overflow always panic. And allow to enable IOMMU leak tracing. Can be disabled at boot @@ -110,7 +110,7 @@ config IOMMU_DEBUG config IOMMU_LEAK bool "IOMMU leak tracing" depends on IOMMU_DEBUG && DMA_API_DEBUG - ---help--- + help Add a simple leak tracer to the IOMMU code. This is useful when you are debugging a buggy device driver that leaks IOMMU mappings. @@ -121,7 +121,7 @@ config X86_DECODER_SELFTEST bool "x86 instruction decoder selftest" depends on DEBUG_KERNEL && INSTRUCTION_DECODER depends on !COMPILE_TEST - ---help--- + help Perform x86 instruction decoder selftests at build time. This option is useful for checking the sanity of x86 instruction decoder code. @@ -133,25 +133,25 @@ choice config IO_DELAY_0X80 bool "port 0x80 based port-IO delay [recommended]" - ---help--- + help This is the traditional Linux IO delay used for in/out_p. It is the most tested hence safest selection here. config IO_DELAY_0XED bool "port 0xed based port-IO delay" - ---help--- + help Use port 0xed as the IO delay. This frees up port 0x80 which is often used as a hardware-debug port. config IO_DELAY_UDELAY bool "udelay based port-IO delay" - ---help--- + help Use udelay(2) as the IO delay method. This provides the delay while not having any side-effect on the IO port space. config IO_DELAY_NONE bool "no port-IO delay" - ---help--- + help No port-IO delay. Will break on old boxes that require port-IO delay for certain operations. Should work on most new machines. @@ -161,19 +161,19 @@ config DEBUG_BOOT_PARAMS bool "Debug boot parameters" depends on DEBUG_KERNEL depends on DEBUG_FS - ---help--- + help This option will cause struct boot_params to be exported via debugfs. config CPA_DEBUG bool "CPA self-test code" depends on DEBUG_KERNEL - ---help--- + help Do change_page_attr() self-tests every 30 seconds. config DEBUG_ENTRY bool "Debug low-level entry code" depends on DEBUG_KERNEL - ---help--- + help This option enables sanity checks in x86's low-level entry code. Some of these sanity checks may slow down kernel entries and exits or otherwise impact performance. @@ -183,7 +183,7 @@ config DEBUG_ENTRY config DEBUG_NMI_SELFTEST bool "NMI Selftest" depends on DEBUG_KERNEL && X86_LOCAL_APIC - ---help--- + help Enabling this option turns on a quick NMI selftest to verify that the NMI behaves correctly. @@ -195,7 +195,7 @@ config DEBUG_NMI_SELFTEST config DEBUG_IMR_SELFTEST bool "Isolated Memory Region self test" depends on INTEL_IMR - ---help--- + help This option enables automated sanity testing of the IMR code. Some simple tests are run to verify IMR bounds checking, alignment and overlapping. This option is really only useful if you are @@ -208,7 +208,7 @@ config X86_DEBUG_FPU bool "Debug the x86 FPU code" depends on DEBUG_KERNEL default y - ---help--- + help If this option is enabled then there will be extra sanity checks and (boot time) debug printouts added to the kernel. This debugging adds some small amount of runtime overhead @@ -221,7 +221,7 @@ config PUNIT_ATOM_DEBUG depends on PCI select DEBUG_FS select IOSF_MBI - ---help--- + help This is a debug driver, which gets the power states of all Punit North Complex devices. The power states of each device is exposed as part of the debugfs interface. @@ -232,7 +232,7 @@ choice prompt "Choose kernel unwinder" default UNWINDER_ORC if X86_64 default UNWINDER_FRAME_POINTER if X86_32 - ---help--- + help This determines which method will be used for unwinding kernel stack traces for panics, oopses, bugs, warnings, perf, /proc/<pid>/stack, livepatch, lockdep, and more. @@ -241,7 +241,7 @@ config UNWINDER_ORC bool "ORC unwinder" depends on X86_64 select STACK_VALIDATION - ---help--- + help This option enables the ORC (Oops Rewind Capability) unwinder for unwinding kernel stack traces. It uses a custom data format which is a simplified version of the DWARF Call Frame Information standard. @@ -256,7 +256,7 @@ config UNWINDER_ORC config UNWINDER_FRAME_POINTER bool "Frame pointer unwinder" select FRAME_POINTER - ---help--- + help This option enables the frame pointer unwinder for unwinding kernel stack traces. @@ -268,7 +268,7 @@ config UNWINDER_GUESS bool "Guess unwinder" depends on EXPERT depends on !STACKDEPOT - ---help--- + help This option enables the "guess" unwinder for unwinding kernel stack traces. It scans the stack and reports every kernel text address it finds. Some of the addresses it reports may be incorrect. |