diff options
Diffstat (limited to 'arch/x86_64/Kconfig')
| -rw-r--r-- | arch/x86_64/Kconfig | 37 |
1 files changed, 18 insertions, 19 deletions
diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig index cf013cb85ea..43fafe9e9c0 100644 --- a/arch/x86_64/Kconfig +++ b/arch/x86_64/Kconfig @@ -175,14 +175,12 @@ config MK8 config MPSC bool "Intel P4 / older Netburst based Xeon" help - Optimize for Intel Pentium 4 and older Nocona/Dempsey Xeon CPUs - with Intel Extended Memory 64 Technology(EM64T). For details see - <http://www.intel.com/technology/64bitextensions/>. + Optimize for Intel Pentium 4, Pentium D and older Nocona/Dempsey + Xeon CPUs with Intel 64bit which is compatible with x86-64. Note that the latest Xeons (Xeon 51xx and 53xx) are not based on the Netburst core and shouldn't use this option. You can distinguish them using the cpu family field - in /proc/cpuinfo. Family 15 is an older Xeon, Family 6 a newer one - (this rule only applies to systems that support EM64T) + in /proc/cpuinfo. Family 15 is an older Xeon, Family 6 a newer one. config MCORE2 bool "Intel Core2 / newer Xeon" @@ -190,8 +188,7 @@ config MCORE2 Optimize for Intel Core2 and newer Xeons (51xx) You can distinguish the newer Xeons from the older ones using the cpu family field in /proc/cpuinfo. 15 is an older Xeon - (use CONFIG_MPSC then), 6 is a newer one. This rule only - applies to CPUs that support EM64T. + (use CONFIG_MPSC then), 6 is a newer one. config GENERIC_CPU bool "Generic-x86-64" @@ -409,6 +406,7 @@ config ARCH_DISCONTIGMEM_DEFAULT config ARCH_SPARSEMEM_ENABLE def_bool y depends on (NUMA || EXPERIMENTAL) + select SPARSEMEM_VMEMMAP_ENABLE config ARCH_MEMORY_PROBE def_bool y @@ -475,8 +473,9 @@ config HPET_TIMER <http://www.intel.com/hardwaredesign/hpetspec.htm>. config HPET_EMULATE_RTC - bool "Provide RTC interrupt" + bool depends on HPET_TIMER && RTC=y + default y # Mark as embedded because too many people got it wrong. # The code disables itself when not needed. @@ -581,17 +580,18 @@ config CRASH_DUMP bool "kernel crash dumps (EXPERIMENTAL)" depends on EXPERIMENTAL help - Generate crash dump after being started by kexec. - This should be normally only set in special crash dump kernels - which are loaded in the main kernel with kexec-tools into - a specially reserved region and then later executed after - a crash by kdump/kexec. The crash dump kernel must be compiled + Generate crash dump after being started by kexec. + This should be normally only set in special crash dump kernels + which are loaded in the main kernel with kexec-tools into + a specially reserved region and then later executed after + a crash by kdump/kexec. The crash dump kernel must be compiled to a memory address not used by the main kernel or BIOS using - PHYSICAL_START. - For more details see Documentation/kdump/kdump.txt + PHYSICAL_START, or it must be built as a relocatable image + (CONFIG_RELOCATABLE=y). + For more details see Documentation/kdump/kdump.txt config RELOCATABLE - bool "Build a relocatable kernel(EXPERIMENTAL)" + bool "Build a relocatable kernel (EXPERIMENTAL)" depends on EXPERIMENTAL help Builds a relocatable kernel. This enables loading and running @@ -602,8 +602,8 @@ config RELOCATABLE must live at a different physical address than the primary kernel. - Note: If CONFIG_RELOCATABLE=y, then kernel run from the address - it has been loaded at and compile time physical address + Note: If CONFIG_RELOCATABLE=y, then the kernel runs from the address + it has been loaded at and the compile time physical address (CONFIG_PHYSICAL_START) is ignored. config PHYSICAL_START @@ -795,7 +795,6 @@ source "drivers/firmware/Kconfig" source fs/Kconfig menu "Instrumentation Support" - depends on EXPERIMENTAL source "arch/x86/oprofile/Kconfig" |