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| author | Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> | 2019-06-04 19:15:04 +0300 |
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| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2019-08-27 14:52:45 +0100 |
| commit | f76889e7b947d896db51be8a4d9c941c2f70365a (patch) | |
| tree | d233a85f4d166859d08cf38aa556f6297c5f59a6 /scripts/qapi/common.py | |
| parent | d953169d4840f312d3b9a54952f4a7ccfcb3b311 (diff) | |
| download | focaccia-qemu-f76889e7b947d896db51be8a4d9c941c2f70365a.tar.gz focaccia-qemu-f76889e7b947d896db51be8a4d9c941c2f70365a.zip | |
util/iov: improve qemu_iovec_is_zero
We'll need to check a part of qiov soon, so implement it now. Optimization with align down to 4 * sizeof(long) is dropped due to: 1. It is strange: it aligns length of the buffer, but where is a guarantee that buffer pointer is aligned itself? 2. buffer_is_zero() is a better place for optimizations and it has them. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Acked-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20190604161514.262241-3-vsementsov@virtuozzo.com Message-Id: <20190604161514.262241-3-vsementsov@virtuozzo.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'scripts/qapi/common.py')
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