Date: Fri, 12 Dec 2003 00:29:02 +0000 From: Bruce M Simpson <bms@spc.org> To: "M. Warner Losh" <imp@bsdimp.com> Cc: nate@root.org Subject: Re: Common device driver classes? Message-ID: <20031212002902.GB83410@saboteur.dek.spc.org> In-Reply-To: <20031211.162119.128604849.imp@bsdimp.com> References: <XFMail.20031211164407.jhb@FreeBSD.org> <20031211145311.Q51054@root.org> <20031211.162119.128604849.imp@bsdimp.com>
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I'm tracking the outcome of this discussion so I know where to put things like cache geometry discovery. My original plan was to assume uniform cache and TLB geometry across all CPUs in the system. This may not be the case. In which case implementing it via ivars may be more appropriate if Nate chooses to go down this road -- but this leaves the problem of how to export these properties easily to the userland. This is to facilitate getting at these properties a bit easier and machine-independent (I note that the current NDIS and PowerPC efforts could probably use this stuff). BMS
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