hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

KVM: MMU: drop unnecessary kvm_reload_remote_mmus 

It is the responsibility of kvm_mmu_zap_all that keeps the
consistent of mmu and tlbs. And it is also unnecessary after
zap all mmio sptes since no mmio spte exists on root shadow
page and it can not be cached into tlb

Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
This commit is contained in:
Xiao Guangrong 2013-05-31 08:36:21 +08:00 committed by Gleb Natapov
parent 758ccc89b8
commit a2ae162265
1 changed files with 1 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
arch/x86/kvm/x86.c
View File

@ -7060,16 +7060,13 @@ void kvm_arch_commit_memory_region(struct kvm *kvm,
* If memory slot is created, or moved, we need to clear all
* mmio sptes.
*/
if ((change == KVM_MR_CREATE) || (change == KVM_MR_MOVE)) {
if ((change == KVM_MR_CREATE) || (change == KVM_MR_MOVE))
kvm_mmu_zap_mmio_sptes(kvm);
kvm_reload_remote_mmus(kvm);
}
}
void kvm_arch_flush_shadow_all(struct kvm *kvm)
{
kvm_mmu_zap_all(kvm);
kvm_reload_remote_mmus(kvm);
}
void kvm_arch_flush_shadow_memslot(struct kvm *kvm,