Hi,
On 04/21/15 at 09:39am, Li, ZhenHua wrote:
> Hi Dave,
> I found the old mail:
> http://lkml.iu.edu/hypermail/linux/kernel/1410.2/03584.html
I know and I have read it before.
== quote ===
> > > So with this in mind I would prefer initially taking over the
> >
Hi Dave,
I found the old mail:
http://lkml.iu.edu/hypermail/linux/kernel/1410.2/03584.html
Please check this and you will find the discussion.
Regards
Zhenhua
On 04/15/2015 02:48 PM, Dave Young wrote:
On 04/15/15 at 01:47pm, Li, ZhenHua wrote:
On 04/15/2015 08:57 AM, Dave Young wrote:
Again,
On Sun, Apr 19, 2015 at 05:43:18PM +0200, Dorian Gray wrote:
> I think the case is closed.
> Now that I know it's not USB, but wireless driver, I looked through
> the new k3.19.5's changelog and saw this:
>
>
> commit b943e69d33fac1e5f6db57868e061096b0aae67a
> Author: Larry Finger
> Date: Sat
To flush created mappings, current mapping code relies on the fact that
during unmap the driver zaps every IOVA being unmapped and that it is
enough to zap a single IOVA of page table to remove the entire page
table from IOMMU cache. Based on these assumptions the driver was made to
simply zap the
