K 10
svn:author
V 3
mjg
K 8
svn:date
V 27
2017-12-31T00:37:50.831958Z
K 7
svn:log
V 206
sx: read the SX_NOADAPTIVE flag and Giant ownership only once

These used to be read multiple times when waiting for the lock the become
free, which had the potential to issue completely avoidable traffic.

END