Date: Thu, 14 Apr 2005 18:35:11 +0200 From: Alexander Leidinger <Alexander@Leidinger.net> To: Mathew Kanner <mat@cnd.mcgill.ca> Cc: julian@elischer.org Subject: Re: de-dma uaudio Message-ID: <20050414183511.4o2rsij4k0coksck@netchild.homeip.net> In-Reply-To: <20050414152146.GI2178@cnd.mcgill.ca> References: <20050410195645.GA2178@cnd.mcgill.ca> <20050414.021552.343134310.kazuhito@ph.noda.tus.ac.jp> <20050413172534.GF2178@cnd.mcgill.ca> <20050414161546.kwroviadwsw8k0w0@netchild.homeip.net> <20050414152146.GI2178@cnd.mcgill.ca>
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Mathew Kanner <mat@cnd.mcgill.ca> wrote: >> Do I understand this patch right: it changes from DMA access to non-DMA >> access? >> >> If yes: can someone please explain me why this is a good thing? > > Upper layer does not use DMA. It just isn't use so why > allocate special memeory for it. And our USB stack ([eou]hci) can't ever grow the feature of doing DMA? Bye, Alexander. -- http://www.Leidinger.net Alexander @ Leidinger.net: PGP ID = B0063FE7 http://www.FreeBSD.org netchild @ FreeBSD.org : PGP ID = 72077137 Are we not men?
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