From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <3ABA6B36.6A5557AF@mvista.com> Date: Thu, 22 Mar 2001 13:14:30 -0800 From: Frank Rowand Reply-To: frowand@mvista.com MIME-Version: 1.0 To: Ralph Blach Cc: frowand@mvista.com, linuxppc-embedded@lists.linuxppc.org, David Blythe Subject: Re: Proposed new kernel noncaching memory allocator for the 405gp References: <3ABA1B6A.87C5FE9B@intrex.net> <3ABA5152.34E4F5B4@mvista.com> <3ABA6746.4BB8DF7@intrex.net> Content-Type: text/plain; charset=us-ascii Sender: owner-linuxppc-embedded@lists.linuxppc.org List-Id: Ralph Blach wrote: > > Frank, > > Yes, but these allocate on a page boundry and I was thinking of something a > little more granular. > > Any objections? > > Chip > > Frank Rowand wrote: > > > Ralph Blach wrote: > > > > > > > > > > > David Blythe wrote: > > > > > > I think something more general then pci_alloc_consistent would be > > > better > > > > for devices that are not pci based. We are still working on getting a > > > > > > > pci OHCI usb to work with the walnut card and are running into a lot > > > of > > > > cache coherency problems. > > > > Dan Malek has provided the functions consistent_alloc(), consistent_free(), > > and consistent_sync() for uses other than PCI. They are in linuxppc_2_5 > > rev 1.446 and later (I'm not sure if they are in any earlier version). > > They are also in my active development kernel, but not yet in any kernel > > that I have put on my ftp site. Nope, but this sounds like a generic kernel issue to me, not a PowerPC issue. -Frank -- Frank Rowand MontaVista Software, Inc ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/