Date: Tue, 23 Oct 2012 14:25:37 +0000 (UTC) From: Andre Oppermann <andre@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r241932 - head/share/man/man9 Message-ID: <201210231425.q9NEPbMi084079@svn.freebsd.org>
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Author: andre Date: Tue Oct 23 14:25:37 2012 New Revision: 241932 URL: http://svn.freebsd.org/changeset/base/241932 Log: Update zero_copy(9) man page to note the renamed kernel options and to warn about unsafeness of COW based sends. Modified: head/share/man/man9/zero_copy.9 Modified: head/share/man/man9/zero_copy.9 ============================================================================== --- head/share/man/man9/zero_copy.9 Tue Oct 23 14:19:44 2012 (r241931) +++ head/share/man/man9/zero_copy.9 Tue Oct 23 14:25:37 2012 (r241932) @@ -25,7 +25,7 @@ .\" .\" $FreeBSD$ .\" -.Dd December 5, 2004 +.Dd October 23, 2012 .Dt ZERO_COPY 9 .Os .Sh NAME @@ -33,7 +33,8 @@ .Nm zero_copy_sockets .Nd "zero copy sockets code" .Sh SYNOPSIS -.Cd "options ZERO_COPY_SOCKETS" +.Cd "options SOCKET_SEND_COW" +.Cd "options SOCKET_RECV_PFLIP" .Sh DESCRIPTION The .Fx @@ -155,6 +156,8 @@ variables respectively. .Xr sendfile 2 , .Xr socket 2 , .Xr ti 4 +.Sh BUGS +The COW based send mechanism is not safe and may result in kernel crashes. .Sh HISTORY The zero copy sockets code first appeared in .Fx 5.0 ,
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