renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-21 03:33:59 +08:00
Code

KVM: Allocate guest memory as MAP_PRIVATE, not MAP_SHARED

Browse Source 
There is no reason to share internal memory slots with fork()ed instances.

Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Avi Kivity 2008-08-26 17:22:47 +03:00
parent abb9e0b8e3
commit acee3c04e8
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/x86/kvm/x86.c
View File

@ -4296,7 +4296,7 @@ int kvm_arch_set_memory_region(struct kvm *kvm,
userspace_addr = do_mmap(NULL, 0,
npages * PAGE_SIZE,
PROT_READ | PROT_WRITE,
MAP_SHARED | MAP_ANONYMOUS,
MAP_PRIVATE | MAP_ANONYMOUS,
0);
up_write(&current->mm->mmap_sem);