Date: Thu, 18 Jan 2007 02:46:27 +0100 From: Olivier Houchard <cognet@ci0.org> To: Warner Losh <imp@bsdimp.com> Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/arm/xscale/ixp425 if_npe.c ixp425.c ixp425_pci.c ixp425var.h Message-ID: <20070118014627.GB2941@ci0.org> In-Reply-To: <20070117.152321.85348370.imp@bsdimp.com> References: <200701170058.l0H0wQM3088464@repoman.freebsd.org> <20070117201642.GS92003@funkthat.com> <20070117.152321.85348370.imp@bsdimp.com>
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On Wed, Jan 17, 2007 at 03:23:21PM -0700, Warner Losh wrote: > From: John-Mark Gurney <gurney_j@resnet.uoregon.edu> > Subject: Re: cvs commit: src/sys/arm/xscale/ixp425 if_npe.c ixp425.c ixp425_pci.c ixp425var.h > Date: Wed, 17 Jan 2007 12:16:42 -0800 > > > Olivier Houchard wrote this message on Wed, Jan 17, 2007 at 00:58 +0000: > > > IXP425 boards have 128MB or more, and most of the PCI drivers do not bother > > > providing the parent dma tag. > > > > You should start fixing this by panicing on devices that don't properly > > call bus_get_dma_tag... That's what I did for sun4v so that we can get > > the devices converted... > > I have patches that will implement this :-) > I do agree, I remember discussing this with Warner seom times ago. However, due to the weak exposure of the arm code, it won't get a lot of devices converted. Maybe a good start would be to add a big warning in i386/amd64 code in -CURRENT ? Olivier
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