Date: Sat, 10 Jul 1999 11:29:39 -0400 (EDT) From: "Brian F. Feldman" <green@FreeBSD.org> To: Bruce Evans <bde@FreeBSD.org> Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/i386/isa intr_machdep.c Message-ID: <Pine.BSF.4.10.9907101128290.99611-100000@janus.syracuse.net> In-Reply-To: <199907101454.HAA27810@freefall.freebsd.org>
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On Sat, 10 Jul 1999, Bruce Evans wrote:
> bde 1999/07/10 07:54:20 PDT
>
> Modified files:
> sys/i386/isa intr_machdep.c
> Log:
> Fixed a longstanding scheduling bug. ASTs and softclock interrupts were
> not masked during handling of shared PCI interrupts. This resulted in
> ASTs sometimes being discarded and softclock interrupts sometimes being
> handled prematurely (sometimes = quite often on systems with shared PCI
> interrupts, never on other systems).
>
> Debugged by: gibbs and other people at plutotech.com
> PR: 6944, maybe 12381
>
> Revision Changes Path
> 1.23 +13 -12 src/sys/i386/isa/intr_machdep.c
>
The only functional change is oldspl being intrmask_t instead of int. Is
that what fixes it? If so, when should we using intrmask_t instead of int?
Just curious :)
Brian Fundakowski Feldman _ __ ___ ____ ___ ___ ___
green@FreeBSD.org _ __ ___ | _ ) __| \
FreeBSD: The Power to Serve! _ __ | _ \._ \ |) |
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