motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-07-29 05:13:54 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

migration: yay, buffering is gone

Browse source 
Buffering was needed because blocking writes could take a long time
and starve other threads seeking to grab the big QEMU mutex.

Now that all writes (except within _complete callbacks) are done
outside the big QEMU mutex, we do not need buffering at all.

Reviewed-by: Orit Wasserman <owasserm@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Paolo Bonzini 2013-02-22 17:36:29 +01:00 • committed by Juan Quintela
parent 9b09503752
commit edaae611f6
3 changed files with 22 additions and 61 deletions
Download patch file Download diff file Expand all files Collapse all files

3
include/migration/migration.h
View file

@ -34,9 +34,6 @@ struct MigrationState
int64_t bandwidth_limit;
size_t bytes_xfer;
size_t xfer_limit;
uint8_t *buffer;
size_t buffer_size;
size_t buffer_capacity;
QemuThread thread;
QEMUBH *cleanup_bh;