diff options
Diffstat (limited to 'arch/x86_64')
| -rw-r--r-- | arch/x86_64/Kconfig | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig index d681be88ae5..85f958c2f55 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" |