diff options
| author | Dongli Zhang <[email protected]> | 2020-03-03 14:14:23 -0800 |
|---|---|---|
| committer | Boris Ostrovsky <[email protected]> | 2020-03-05 09:42:01 -0600 |
| commit | 8130b9d5b5abf26f9927b487c15319a187775f34 (patch) | |
| tree | 647cbd1ff16e7cc558524d766b95f7e913b16494 /tools/perf/scripts/python/stackcollapse.py | |
| parent | 1b6a51e86cce38cf4d48ce9c242120283ae2f603 (diff) | |
xenbus: req->err should be updated before req->state
This patch adds the barrier to guarantee that req->err is always updated
before req->state.
Otherwise, read_reply() would not return ERR_PTR(req->err) but
req->body, when process_writes()->xb_write() is failed.
Signed-off-by: Dongli Zhang <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Julien Grall <[email protected]>
Signed-off-by: Boris Ostrovsky <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions