diff options
Diffstat (limited to 'arch/x86_64/Kconfig')
-rw-r--r-- | arch/x86_64/Kconfig | 14 |
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 | |||
175 | config MPSC | 175 | config 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 | ||
187 | config MCORE2 | 185 | config 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 | ||
196 | config GENERIC_CPU | 193 | config 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 | ||
478 | config HPET_EMULATE_RTC | 475 | config 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. |