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| author | bdrewery <bdrewery@FreeBSD.org> | 2016-03-14 00:51:45 +0000 |
|---|---|---|
| committer | bdrewery <bdrewery@FreeBSD.org> | 2016-03-14 00:51:45 +0000 |
| commit | a08fbac3add3c4a7054f28fedccdd8bd59381a0a (patch) | |
| tree | 54af49aa5cff8300e1453cc37b5df537a2abe1b8 /share/man/man9/sx.9 | |
| parent | 3d8720ff799fbd99cbd49536db33d966c305435f (diff) | |
| download | FreeBSD-src-a08fbac3add3c4a7054f28fedccdd8bd59381a0a.zip FreeBSD-src-a08fbac3add3c4a7054f28fedccdd8bd59381a0a.tar.gz | |
Reword SX_NOADAPTIVE description to be clear that adaptive is default.
The default changed in r193011.
MFC after: 1 week
Diffstat (limited to 'share/man/man9/sx.9')
| -rw-r--r-- | share/man/man9/sx.9 | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/share/man/man9/sx.9 b/share/man/man9/sx.9 index 49a064e..a9931a9 100644 --- a/share/man/man9/sx.9 +++ b/share/man/man9/sx.9 @@ -26,7 +26,7 @@ .\" .\" $FreeBSD$ .\" -.Dd December 13, 2014 +.Dd March 13, 2016 .Dt SX 9 .Os .Sh NAME @@ -124,12 +124,10 @@ specifies a set of optional flags to alter the behavior of It contains one or more of the following flags: .Bl -tag -width SX_NOADAPTIVE .It Dv SX_NOADAPTIVE -If the kernel is not compiled with -.Cd "options NO_ADAPTIVE_SX" , -then lock operations for -.Fa sx -will spin instead of sleeping while an exclusive lock holder is executing on -another CPU. +Disable adaptive spinning, rather than sleeping, for lock operations +while an exclusive lock holder is executing on another CPU. +Adaptive spinning is the default unless the kernel is compiled with +.Cd "options NO_ADAPTIVE_SX" . .It Dv SX_DUPOK Witness should not log messages about duplicate locks being acquired. .It Dv SX_NOWITNESS |
