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-rw-r--r--arch/x86_64/Kconfig11
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"