Date: Mon, 21 Jun 2010 16:28:22 -0400 From: John Baldwin <jhb@freebsd.org> To: Alexander Motin <mav@freebsd.org> Cc: Kostik Belousov <kostikbel@gmail.com>, svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r209371 - in head/sys: amd64/amd64 amd64/include conf dev/acpica i386/i386 i386/include isa kern pc98/cbus sys x86/isa x86/x86 Message-ID: <201006211628.22494.jhb@freebsd.org> In-Reply-To: <4C1FC6C1.5060800@FreeBSD.org> References: <201006202133.o5KLXTG1023067@svn.freebsd.org> <20100621195838.GJ13238@deviant.kiev.zoral.com.ua> <4C1FC6C1.5060800@FreeBSD.org>
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On Monday 21 June 2010 4:08:33 pm Alexander Motin wrote: > Kostik Belousov wrote: > > On Sun, Jun 20, 2010 at 09:33:29PM +0000, Alexander Motin wrote: > >> Author: mav > >> Date: Sun Jun 20 21:33:29 2010 > >> New Revision: 209371 > >> URL: http://svn.freebsd.org/changeset/base/209371 > >> > >> Log: > >> Implement new event timers infrastructure. It provides unified APIs for > >> writing event timer drivers, for choosing best possible drivers by machine > >> independent code and for operating them to supply kernel with hardclock(), > >> statclock() and profclock() events in unified fashion on various hardware. > > > > This broke QEMU for me. I cannot boot FreeBSD guest under QEMU anymore. > > QEMU (not FreeBSD kernel) panics with > > qemu: level-triggered hpet not supported > > message. > > According to specification, it is not optional. No more cookies! Why do you even need a level triggered interrupt? The FSB interrupt is not shared with anything else, so it can be edge triggered just fine. We set all MSI interrupts to edge triggered on x86. -- John Baldwin
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