[PATCH] drm/radeon: fence virtual address and free it once idle [3.5] v2

Jerome Glisse j.glisse at gmail.com
Fri Aug 3 14:30:59 PDT 2012


On Fri, Aug 3, 2012 at 4:47 PM, Greg KH <gregkh at linuxfoundation.org> wrote:
> On Fri, Aug 03, 2012 at 04:31:22PM -0400, Jerome Glisse wrote:
>> On Fri, Aug 3, 2012 at 4:16 PM, Greg KH <gregkh at linuxfoundation.org> wrote:
>> > On Fri, Aug 03, 2012 at 03:57:19PM -0400, j.glisse at gmail.com wrote:
>> >> From: Jerome Glisse <jglisse at redhat.com>
>> >>
>> >> Virtual address need to be fenced to know when we can safely remove it.
>> >> This patch also properly clear the pagetable. Previously it was
>> >> serouisly broken.
>> >>
>> >> v2: For to update pagetable when unbinding bo (don't bailout if
>> >>     bo_va->valid is true).
>> >>
>> >> This version is for stable 3.5 only.
>> >
>> > Why?
>>
>> Because 3.4 needs again a different patch and 3.6 needs a different
>> patch. Code around this patch changed btw 3.4-3.5 and changed again
>> btw 3.5-3.6 and in non trivial way.
>
> Then please say that in the original patch, and point to where the
> changes happened, and resend it so that I can apply it.
>
> I also need an ack from the maintainer(s) that this is acceptable.
>
> greg k-h

I resend the original patch with comment that says 3.5 need special patch.

Cheers,
Jerome


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