motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-05 08:43:55 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

kvm: Enable KVM_SET_USER_MEMORY_REGION2 for memslot

Browse source 
Switch to KVM_SET_USER_MEMORY_REGION2 when supported by KVM.

With KVM_SET_USER_MEMORY_REGION2, QEMU can set up memory region that
backend'ed both by hva-based shared memory and guest memfd based private
memory.

Signed-off-by: Chao Peng <chao.p.peng@linux.intel.com>
Co-developed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Message-ID: <20240320083945.991426-10-michael.roth@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Chao Peng 2024-03-20 03:39:05 -05:00 • committed by Paolo Bonzini
parent 15f7a80c49
commit ce5a983233
3 changed files with 41 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

2
include/sysemu/kvm_int.h
View file

@ -30,6 +30,8 @@ typedef struct KVMSlot
int as_id;
/* Cache of the offset in ram address space */
ram_addr_t ram_start_offset;
int guest_memfd;
hwaddr guest_memfd_offset;
} KVMSlot;
typedef struct KVMMemoryUpdate {