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-rw-r--r--arch/x86_64/Kconfig14
1 files changed, 6 insertions, 8 deletions
diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig
index d681be88ae5d..43fafe9e9c08 100644
--- a/arch/x86_64/Kconfig
+++ b/arch/x86_64/Kconfig
@@ -175,14 +175,12 @@ config MK8
175config MPSC 175config MPSC
176 bool "Intel P4 / older Netburst based Xeon" 176 bool "Intel P4 / older Netburst based Xeon"
177 help 177 help
178 Optimize for Intel Pentium 4 and older Nocona/Dempsey Xeon CPUs 178 Optimize for Intel Pentium 4, Pentium D and older Nocona/Dempsey
179 with Intel Extended Memory 64 Technology(EM64T). For details see 179 Xeon CPUs with Intel 64bit which is compatible with x86-64.
180 <http://www.intel.com/technology/64bitextensions/>.
181 Note that the latest Xeons (Xeon 51xx and 53xx) are not based on the 180 Note that the latest Xeons (Xeon 51xx and 53xx) are not based on the
182 Netburst core and shouldn't use this option. You can distinguish them 181 Netburst core and shouldn't use this option. You can distinguish them
183 using the cpu family field 182 using the cpu family field
184 in /proc/cpuinfo. Family 15 is an older Xeon, Family 6 a newer one 183 in /proc/cpuinfo. Family 15 is an older Xeon, Family 6 a newer one.
185 (this rule only applies to systems that support EM64T)
186 184
187config MCORE2 185config MCORE2
188 bool "Intel Core2 / newer Xeon" 186 bool "Intel Core2 / newer Xeon"
@@ -190,8 +188,7 @@ config MCORE2
190 Optimize for Intel Core2 and newer Xeons (51xx) 188 Optimize for Intel Core2 and newer Xeons (51xx)
191 You can distinguish the newer Xeons from the older ones using 189 You can distinguish the newer Xeons from the older ones using
192 the cpu family field in /proc/cpuinfo. 15 is an older Xeon 190 the cpu family field in /proc/cpuinfo. 15 is an older Xeon
193 (use CONFIG_MPSC then), 6 is a newer one. This rule only 191 (use CONFIG_MPSC then), 6 is a newer one.
194 applies to CPUs that support EM64T.
195 192
196config GENERIC_CPU 193config GENERIC_CPU
197 bool "Generic-x86-64" 194 bool "Generic-x86-64"
@@ -476,8 +473,9 @@ config HPET_TIMER
476 <http://www.intel.com/hardwaredesign/hpetspec.htm>. 473 <http://www.intel.com/hardwaredesign/hpetspec.htm>.
477 474
478config HPET_EMULATE_RTC 475config HPET_EMULATE_RTC
479 bool "Provide RTC interrupt" 476 bool
480 depends on HPET_TIMER && RTC=y 477 depends on HPET_TIMER && RTC=y
478 default y
481 479
482# Mark as embedded because too many people got it wrong. 480# Mark as embedded because too many people got it wrong.
483# The code disables itself when not needed. 481# The code disables itself when not needed.