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Hollis Blanchard 49dd2c4928 KVM: powerpc: Map guest userspace with TID=0 mappings ... When we use TID=N userspace mappings, we must ensure that kernel mappings have been destroyed when entering userspace. Using TID=1/TID=0 for kernel/user mappings and running userspace with PID=0 means that userspace can't access the kernel mappings, but the kernel can directly access userspace. The net is that we don't need to flush the TLB on privilege switches, but we do on guest context switches (which are far more infrequent). Guest boot time performance improvement: about 30%. Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com> Signed-off-by: Avi Kivity <avi@qumranet.com>		17 years ago
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boot	powerpc: Fix PCI in Holly device tree	17 years ago
configs	powerpc: Update defconfigs for most non-embedded platforms	17 years ago
include/asm	KVM: powerpc: Map guest userspace with TID=0 mappings	17 years ago
kernel	KVM: powerpc: Map guest userspace with TID=0 mappings	17 years ago
kvm	KVM: powerpc: Map guest userspace with TID=0 mappings	17 years ago
lib	powerpc: Remove use of CONFIG_PPC_MERGE	17 years ago
math-emu	…
mm	powerpc: Only make kernel text pages of linear mapping executable	17 years ago
oprofile	…
platforms	vfs: Use const for kernel parser table	17 years ago
sysdev	mv643xx_eth: remove force_phy_addr field	17 years ago
xmon	…
Kconfig	mm: Make generic weak get_user_pages_fast and EXPORT_GPL it	17 years ago
Kconfig.debug	powerpc: Remove use of CONFIG_PPC_MERGE	17 years ago
Makefile	powerpc: Work around gcc's -fno-omit-frame-pointer bug	17 years ago