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dragonball: remove unused feature in AddressSpaceMgr

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log_dirty_pages is useless now and will be redesigned to support live
migration in the future.

Signed-off-by: wllenyj <wllenyj@linux.alibaba.com>
This commit is contained in:
wllenyj 2022-05-15 21:38:49 +08:00 committed by Chao Wu
parent 514b4e7235
commit 527b73a8e5
1 changed files with 8 additions and 6 deletions
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14
src/dragonball/src/address_space_manager.rs
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@ -27,7 +27,7 @@ use dbs_address_space::{
AddressSpaceRegionType, NumaNode, NumaNodeInfo, MPOL_MF_MOVE, MPOL_PREFERRED, AddressSpaceRegionType, NumaNode, NumaNodeInfo, MPOL_MF_MOVE, MPOL_PREFERRED,
}; };
use dbs_allocator::Constraint; use dbs_allocator::Constraint;
use kvm_bindings::{kvm_userspace_memory_region, KVM_MEM_LOG_DIRTY_PAGES}; use kvm_bindings::kvm_userspace_memory_region;
use kvm_ioctls::VmFd; use kvm_ioctls::VmFd;
use log::{debug, error, info, warn}; use log::{debug, error, info, warn};
use nix::sys::mman; use nix::sys::mman;
@ -245,6 +245,11 @@ impl AddressSpaceMgr {
self.address_space.is_some() self.address_space.is_some()
} }
/// Gets address space.
pub fn address_space(&self) -> Option<&AddressSpace> {
self.address_space.as_ref()
}
/// Create the address space for a virtual machine. /// Create the address space for a virtual machine.
/// ///
/// This method is designed to be called when starting up a virtual machine instead of at /// This method is designed to be called when starting up a virtual machine instead of at
@ -393,11 +398,8 @@ impl AddressSpaceMgr {
let host_addr = mmap_reg let host_addr = mmap_reg
.get_host_address(MemoryRegionAddress(0)) .get_host_address(MemoryRegionAddress(0))
.map_err(|_e| AddressManagerError::InvalidOperation)?; .map_err(|_e| AddressManagerError::InvalidOperation)?;
let flags = if param.dirty_page_logging { let flags = 0u32;
KVM_MEM_LOG_DIRTY_PAGES
} else {
0
};
let mem_region = kvm_userspace_memory_region { let mem_region = kvm_userspace_memory_region {
slot: slot as u32, slot: slot as u32,
guest_phys_addr: reg.start_addr().raw_value(), guest_phys_addr: reg.start_addr().raw_value(),