Date: Tue, 22 Dec 2009 15:45:38 +0000 (UTC) From: Luigi Rizzo <luigi@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r200846 - user/luigi/ipfw3-head/sys/netinet/ipfw Message-ID: <200912221545.nBMFjcKj068402@svn.freebsd.org>
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Author: luigi Date: Tue Dec 22 15:45:38 2009 New Revision: 200846 URL: http://svn.freebsd.org/changeset/base/200846 Log: add a comment on locking Modified: user/luigi/ipfw3-head/sys/netinet/ipfw/ip_fw_table.c Modified: user/luigi/ipfw3-head/sys/netinet/ipfw/ip_fw_table.c ============================================================================== --- user/luigi/ipfw3-head/sys/netinet/ipfw/ip_fw_table.c Tue Dec 22 15:41:58 2009 (r200845) +++ user/luigi/ipfw3-head/sys/netinet/ipfw/ip_fw_table.c Tue Dec 22 15:45:38 2009 (r200846) @@ -34,6 +34,9 @@ __FBSDID("$FreeBSD$"); * keys are network prefixes (addr/masklen), and values are integers. * As a degenerate case we can interpret keys as 32-bit integers * (with a /32 mask). + * + * The table is protected by the IPFW lock even for manipulation coming + * from userland, because operations are typically fast. */ #if !defined(KLD_MODULE)
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