Date: Mon, 22 Oct 2012 11:07:59 +0000 (UTC) From: Marius Strobl <marius@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r241877 - stable/9/sys/sparc64/sparc64 Message-ID: <201210221107.q9MB7x4t097320@svn.freebsd.org>
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Author: marius Date: Mon Oct 22 11:07:59 2012 New Revision: 241877 URL: http://svn.freebsd.org/changeset/base/241877 Log: MFC: r241734 Let SCHED_ULE give affinity to the CPU the tick interrupt triggered on when running tick_process(), similarly to what the x86 equivalents of this function do, however employing the less racy sequence also used in intr_event_handle(). Modified: stable/9/sys/sparc64/sparc64/tick.c Directory Properties: stable/9/sys/ (props changed) Modified: stable/9/sys/sparc64/sparc64/tick.c ============================================================================== --- stable/9/sys/sparc64/sparc64/tick.c Mon Oct 22 11:01:43 2012 (r241876) +++ stable/9/sys/sparc64/sparc64/tick.c Mon Oct 22 11:07:59 2012 (r241877) @@ -245,14 +245,16 @@ tick_process(struct trapframe *tf) struct trapframe *oldframe; struct thread *td; + td = curthread; + td->td_intr_nesting_level++; critical_enter(); if (tick_et.et_active) { - td = curthread; oldframe = td->td_intr_frame; td->td_intr_frame = tf; tick_et.et_event_cb(&tick_et, tick_et.et_arg); td->td_intr_frame = oldframe; } + td->td_intr_nesting_level--; critical_exit(); }
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