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| author | Jo-Philipp Wich <jow@openwrt.org> | 2012-06-18 23:36:50 +0000 |
|---|---|---|
| committer | Jo-Philipp Wich <jow@openwrt.org> | 2012-06-18 23:36:50 +0000 |
| commit | f06473f8ffb86d513bc17a20f2ba6886411635e0 (patch) | |
| tree | a409b7d09b98ea96e9bbf8846ddd3e6d02afd89b | |
| parent | cfe79471d1b7529934802fd0b037d08a2853f63c (diff) | |
| download | upstream-f06473f8ffb86d513bc17a20f2ba6886411635e0.tar.gz upstream-f06473f8ffb86d513bc17a20f2ba6886411635e0.tar.bz2 upstream-f06473f8ffb86d513bc17a20f2ba6886411635e0.zip | |
optimize kernel config for kvm_guest
This patch enables few extra kernel options for the kvm_guest subtarget:
- Tickless kernel to avoid timer ticks in idle guests, reduces CPU usage
- Enable paravirtualization steal time support
Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
SVN-Revision: 32436
| -rw-r--r-- | target/linux/x86/kvm_guest/config-3.3 | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/target/linux/x86/kvm_guest/config-3.3 b/target/linux/x86/kvm_guest/config-3.3 index 4e4ae73529..ad4025bd19 100644 --- a/target/linux/x86/kvm_guest/config-3.3 +++ b/target/linux/x86/kvm_guest/config-3.3 @@ -22,6 +22,7 @@ CONFIG_ACPI_PROCESSOR=y # CONFIG_ACPI_WMI is not set # CONFIG_ASUS_LAPTOP is not set CONFIG_CONSOLE_TRANSLATIONS=y +CONFIG_CPU_IDLE_GOV_MENU=y CONFIG_DUMMY_CONSOLE=y # CONFIG_EFI is not set # CONFIG_HPET is not set @@ -38,11 +39,12 @@ CONFIG_KVM_GUEST=y # CONFIG_LGUEST is not set # CONFIG_LGUEST_GUEST is not set CONFIG_NLS=y +CONFIG_NO_HZ=y CONFIG_PARAVIRT=y CONFIG_PARAVIRT_CLOCK=y # CONFIG_PARAVIRT_DEBUG is not set CONFIG_PARAVIRT_GUEST=y -# CONFIG_PARAVIRT_TIME_ACCOUNTING is not set +CONFIG_PARAVIRT_TIME_ACCOUNTING=y CONFIG_PCI_IOAPIC=y CONFIG_PCI_LABEL=y CONFIG_PCI_MMCONFIG=y |