Date: Wed, 25 Jan 2012 16:00:00 +0000 (UTC) From: Luigi Rizzo <luigi@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r230543 - user/luigi/netmap/sys/dev/netmap Message-ID: <201201251600.q0PG00JC031491@svn.freebsd.org>
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Author: luigi Date: Wed Jan 25 16:00:00 2012 New Revision: 230543 URL: http://svn.freebsd.org/changeset/base/230543 Log: align the struct netmap_kring to avoide cache contention Modified: user/luigi/netmap/sys/dev/netmap/netmap_kern.h Modified: user/luigi/netmap/sys/dev/netmap/netmap_kern.h ============================================================================== --- user/luigi/netmap/sys/dev/netmap/netmap_kern.h Wed Jan 25 15:58:11 2012 (r230542) +++ user/luigi/netmap/sys/dev/netmap/netmap_kern.h Wed Jan 25 16:00:00 2012 (r230543) @@ -72,7 +72,7 @@ struct netmap_kring { int nkr_hwofs; /* offset between NIC and netmap ring */ struct netmap_adapter *na; // debugging struct selinfo si; /* poll/select wait queue */ -}; +} __attribute__((__aligned__(64))); /* * This struct is part of and extends the 'struct adapter' (or
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