Date: Tue, 13 Jul 2010 08:05:48 +0000 (UTC) From: Lawrence Stewart <lstewart@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r209981 - head/sys/sys Message-ID: <201007130805.o6D85mDN063765@svn.freebsd.org>
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Author: lstewart Date: Tue Jul 13 08:05:48 2010 New Revision: 209981 URL: http://svn.freebsd.org/changeset/base/209981 Log: Macro to simplify zeroing DPCPU variables. Sponsored by: FreeBSD Foundation MFC after: 3 days Modified: head/sys/sys/pcpu.h Modified: head/sys/sys/pcpu.h ============================================================================== --- head/sys/sys/pcpu.h Tue Jul 13 07:00:57 2010 (r209980) +++ head/sys/sys/pcpu.h Tue Jul 13 08:05:48 2010 (r209981) @@ -133,6 +133,15 @@ extern uintptr_t dpcpu_off[]; sum; \ }) +#define DPCPU_ZERO(n) do { \ + u_int _i; \ + \ + CPU_FOREACH(_i) { \ + bzero(DPCPU_ID_PTR(_i, n), \ + sizeof(__typeof(DPCPU_PTR(n)))); \ + } \ +} while(0) + /* * XXXUPS remove as soon as we have per cpu variable * linker sets and can define rm_queue in _rm_lock.h
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