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optimize kernel config for kvm_guest

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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>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@32436 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
jow 2012-06-18 23:36:50 +00:00
parent 8a25c3c9d3
commit 4e6e9c9c59
1 changed files with 3 additions and 1 deletions
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4
target/linux/x86/kvm_guest/config-3.3
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@ -22,6 +22,7 @@ CONFIG_ACPI_PROCESSOR=y
# CONFIG_ACPI_WMI is not set # CONFIG_ACPI_WMI is not set
# CONFIG_ASUS_LAPTOP is not set # CONFIG_ASUS_LAPTOP is not set
CONFIG_CONSOLE_TRANSLATIONS=y CONFIG_CONSOLE_TRANSLATIONS=y
CONFIG_CPU_IDLE_GOV_MENU=y
CONFIG_DUMMY_CONSOLE=y CONFIG_DUMMY_CONSOLE=y
# CONFIG_EFI is not set # CONFIG_EFI is not set
# CONFIG_HPET is not set # CONFIG_HPET is not set
@ -38,11 +39,12 @@ CONFIG_KVM_GUEST=y
# CONFIG_LGUEST is not set # CONFIG_LGUEST is not set
# CONFIG_LGUEST_GUEST is not set # CONFIG_LGUEST_GUEST is not set
CONFIG_NLS=y CONFIG_NLS=y
CONFIG_NO_HZ=y
CONFIG_PARAVIRT=y CONFIG_PARAVIRT=y
CONFIG_PARAVIRT_CLOCK=y CONFIG_PARAVIRT_CLOCK=y
# CONFIG_PARAVIRT_DEBUG is not set # CONFIG_PARAVIRT_DEBUG is not set
CONFIG_PARAVIRT_GUEST=y CONFIG_PARAVIRT_GUEST=y
# CONFIG_PARAVIRT_TIME_ACCOUNTING is not set CONFIG_PARAVIRT_TIME_ACCOUNTING=y
CONFIG_PCI_IOAPIC=y CONFIG_PCI_IOAPIC=y
CONFIG_PCI_LABEL=y CONFIG_PCI_LABEL=y
CONFIG_PCI_MMCONFIG=y CONFIG_PCI_MMCONFIG=y