On Mon, Mar 14, 2005 at 05:30:04PM +0100, Soeren Sandmann wrote: > Benjamin Herrenschmidt <[EMAIL PROTECTED]> writes: > > > In an ideal world ... However, since we are planning to move the memory > > manager to the kernel, that would mean a kernel access (syscall, ioctl, > > whatever...) twice per access to AGP memory. Not realistic. > > Could the user space driver batch many such accesses together and use > a lock_many()/unlock_many() API?
Natrually it should try to do as much as possible during the lock()/unlock() sequence. -- Ville Syrjälä [EMAIL PROTECTED] http://www.sci.fi/~syrjala/ ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_ide95&alloc_id396&op=click -- _______________________________________________ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel
