[Linux-fbdev-devel] Re: radeon, apertures & memory mapping

[Soeren Sandmann]

Benjamin Herrenschmidt <benh at kernel.crashing.org> 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?


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