Date: Mon, 09 Nov 2015 13:28:30 -0700 From: Ian Lepore <ian@freebsd.org> To: Adrian Chadd <adrian.chadd@gmail.com> Cc: AlexHully <deco33000@yandex.com>, "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org> Subject: Re: dma Message-ID: <1447100910.91534.526.camel@freebsd.org> In-Reply-To: <CAJ-Vmo=qG82whP7%2BJm-aVMekYi%2B_EWRnQ2_7iJrHKVcs1KjcOA@mail.gmail.com> References: <298361446978177@web22g.yandex.ru> <1447091132.91534.480.camel@freebsd.org> <CAJ-Vmo=qG82whP7%2BJm-aVMekYi%2B_EWRnQ2_7iJrHKVcs1KjcOA@mail.gmail.com>
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On Mon, 2015-11-09 at 12:27 -0800, Adrian Chadd wrote: > Hi, > > You still have 32 bit capable DMA machines on > 32 bit platform > devices. > > eg, the 36 bit PAE stuff on x86, or the PAE style stuff that showed > up > on powerpc, or 32 bit DMA devices on 64 bit intel/arm/mips platforms, > etc. > > Bounce buffers aren't going anywhere. > > > > -adrian I sure wish I knew what you were talking about. Why do you trim away all context? -- Ian
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