Date: Mon, 1 Jun 2009 07:54:27 +0000 (UTC) From: Robert Watson <rwatson@FreeBSD.org> To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r193207 - projects/pnet/sys/net Message-ID: <200906010754.n517sRo4068452@svn.freebsd.org>
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Author: rwatson Date: Mon Jun 1 07:54:27 2009 New Revision: 193207 URL: http://svn.freebsd.org/changeset/base/193207 Log: When queueing a packet to a netisr thread and it's already being direct dispatched, suppress a wakeup -- the direct dispatching thread will generate it later. Modified: projects/pnet/sys/net/netisr.c Modified: projects/pnet/sys/net/netisr.c ============================================================================== --- projects/pnet/sys/net/netisr.c Mon Jun 1 07:48:27 2009 (r193206) +++ projects/pnet/sys/net/netisr.c Mon Jun 1 07:54:27 2009 (r193207) @@ -776,7 +776,8 @@ netisr_queue_workstream(struct netisr_wo if (npwp->nw_len > npwp->nw_watermark) npwp->nw_watermark = npwp->nw_len; nwsp->nws_pendingbits |= (1 << proto); - if (!(nwsp->nws_flags & (NWS_SCHEDULED | NWS_RUNNING))) { + if (!(nwsp->nws_flags & + (NWS_RUNNING | NWS_DISPATCHING | NWS_SCHEDULED))) { nwsp->nws_flags |= NWS_SCHEDULED; *dosignalp = 1; /* Defer until unlocked. */ }
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