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| author | Ingo Molnar <mingo@elte.hu> | 2008-07-18 21:13:20 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-18 21:13:20 +0200 |
| commit | f6dc8ccaab6d8f63cbae1e6c73fe972b26f5376c (patch) | |
| tree | c5643fcdc884a8d0bfc3f1bc28039cab7394e5bc /arch/x86/Kconfig.debug | |
| parent | x86: use generic per-device dma coherent allocator (diff) | |
| parent | Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/gi... (diff) | |
| download | linux-f6dc8ccaab6d8f63cbae1e6c73fe972b26f5376c.tar.xz linux-f6dc8ccaab6d8f63cbae1e6c73fe972b26f5376c.zip | |
Merge branch 'linus' into core/generic-dma-coherent
Conflicts:
kernel/Makefile
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/Kconfig.debug')
| -rw-r--r-- | arch/x86/Kconfig.debug | 46 |
1 files changed, 36 insertions, 10 deletions
diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug index 18363374d51a..ae36bfa814e5 100644 --- a/arch/x86/Kconfig.debug +++ b/arch/x86/Kconfig.debug @@ -20,6 +20,14 @@ config NONPROMISC_DEVMEM If in doubt, say Y. +config X86_VERBOSE_BOOTUP + bool "Enable verbose x86 bootup info messages" + default y + 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. + config EARLY_PRINTK bool "Early printk" if EMBEDDED default y @@ -60,7 +68,7 @@ config DEBUG_PAGEALLOC config DEBUG_PER_CPU_MAPS bool "Debug access to per_cpu maps" depends on DEBUG_KERNEL - depends on X86_64_SMP + depends on X86_SMP default n help Say Y to verify that the per_cpu map being accessed has @@ -129,15 +137,6 @@ config 4KSTACKS on the VM subsystem for higher order allocations. This option will also use IRQ stacks to compensate for the reduced stackspace. -config X86_FIND_SMP_CONFIG - def_bool y - depends on X86_LOCAL_APIC || X86_VOYAGER - depends on X86_32 - -config X86_MPPARSE - def_bool y - depends on (X86_32 && (X86_LOCAL_APIC && !X86_VISWS)) || X86_64 - config DOUBLEFAULT default y bool "Enable doublefault exception handler" if EMBEDDED @@ -172,6 +171,33 @@ config IOMMU_LEAK Add a simple leak tracer to the IOMMU code. This is useful when you are debugging a buggy device driver that leaks IOMMU mappings. +config MMIOTRACE_HOOKS + bool + +config MMIOTRACE + bool "Memory mapped IO tracing" + depends on DEBUG_KERNEL && PCI + select TRACING + select MMIOTRACE_HOOKS + help + Mmiotrace traces Memory Mapped I/O access and is meant for + debugging and reverse engineering. It is called from the ioremap + implementation and works via page faults. Tracing is disabled by + default and can be enabled at run-time. + + See Documentation/tracers/mmiotrace.txt. + If you are not helping to develop drivers, say N. + +config MMIOTRACE_TEST + tristate "Test module for mmiotrace" + depends on MMIOTRACE && m + help + This is a dumb module for testing mmiotrace. It is very dangerous + as it will write garbage to IO memory starting at a given address. + However, it should be safe to use on e.g. unused portion of VRAM. + + Say N, unless you absolutely know what you are doing. + # # IO delay types: # |