Date: Mon, 14 Mar 2016 00:51:45 +0000 (UTC) From: Bryan Drewery <bdrewery@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r296819 - head/share/man/man9 Message-ID: <201603140051.u2E0pjwH029371@repo.freebsd.org>
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Author: bdrewery Date: Mon Mar 14 00:51:45 2016 New Revision: 296819 URL: https://svnweb.freebsd.org/changeset/base/296819 Log: Reword SX_NOADAPTIVE description to be clear that adaptive is default. The default changed in r193011. MFC after: 1 week Modified: head/share/man/man9/sx.9 Modified: head/share/man/man9/sx.9 ============================================================================== --- head/share/man/man9/sx.9 Mon Mar 14 00:42:19 2016 (r296818) +++ head/share/man/man9/sx.9 Mon Mar 14 00:51:45 2016 (r296819) @@ -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 alt 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
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