Date: Mon, 9 Apr 2012 10:30:10 -0400 From: John Baldwin <jhb@freebsd.org> To: "Justin T. Gibbs" <gibbs@freebsd.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r233961 - head/sys/x86/x86 Message-ID: <201204091030.10717.jhb@freebsd.org> In-Reply-To: <201204062119.q36LJTKR026564@svn.freebsd.org> References: <201204062119.q36LJTKR026564@svn.freebsd.org>
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On Friday, April 06, 2012 5:19:29 pm Justin T. Gibbs wrote: > Author: gibbs > Date: Fri Apr 6 21:19:28 2012 > New Revision: 233961 > URL: http://svn.freebsd.org/changeset/base/233961 > > Log: > Fix interrupt load balancing regression, introduced in revision > 222813, that left all un-pinned interrupts assigned to CPU 0. > > sys/x86/x86/intr_machdep.c: > In intr_shuffle_irqs(), remove CPU_SETOF() call that initialized > the "intr_cpus" cpuset to only contain CPU0. > > This initialization is too late and nullifies the results of calls > the intr_add_cpu() that occur much earlier in the boot process. > Since "intr_cpus" is statically initialized to the empty set, and > all processors, including the BSP, already add themselves to > "intr_cpus" no special initialization for the BSP is necessary. > > MFC after: 3 days Ah, nice catch! -- John Baldwin
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