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| author | Paolo Bonzini <pbonzini@redhat.com> | 2013-04-08 13:29:55 +0200 |
|---|---|---|
| committer | Juan Quintela <quintela@redhat.com> | 2013-04-09 15:00:13 +0200 |
| commit | 7ce51f1b8157a2aa6bd3945bba9904442d3c3cdd (patch) | |
| tree | 6c13c0a135b4c917c75f13365221fe4dd87c3edd /cmd.h | |
| parent | af74db72d33e4776d7d1430b57d0bf065a6f03df (diff) | |
| download | qemu-7ce51f1b8157a2aa6bd3945bba9904442d3c3cdd.tar.gz | |
migration: use a single I/O operation when writev_buffer is not defined
The recent patches to use vectored I/O for RAM migration caused a
regression in savevm speed. To restore previous performance,
add data to the buffer in qemu_put_buffer_async whenever writev_buffer
is not available in the QEMUFile.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Diffstat (limited to 'cmd.h')
0 files changed, 0 insertions, 0 deletions