On 2/7/12 6:28 PM, Ben Widawsky wrote:
On Wed, Jan 11, 2012 at 04:04:20PM -0500, Adam Jackson wrote:
If you can, I recommend using the intel gtt mapping type of mmap ioctl,
where it gives you back an offset that you use the mmap syscall on, and
implement the vgem_gem_fault to map its pages, instead. It should avoid
tricking userland tools like valgrind, which really sucks with the
do_mmap()-calling ioctl we have today.
That makes sense. Having two paths by which you could hit
drm_gem_mmap() seemed weird when I was writing it.
I think the clean way of doing that requires exporting at least
shmem_fault and possibly some other shmfs details.
- ajax
I'm working on this presently unless you've already done it.
Go for it, I've been ratholed getting vesa working again on 1.12.
- ajax
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