Re: [Freedreno] Use of copy_from_user in msm_gem_submit.c while holding a spin_lock

On Wed, Aug 17, 2016 at 02:49:32PM -0400, Rob Clark wrote: > I'm not saying that I shouldn't fix it (although not quite sure how > yet.. taking/dropping the spinlock inside the loop is not a good > option from a performance standpoint). What I am saying is that this > is not something that can

Re: [Freedreno] Use of copy_from_user in msm_gem_submit.c while holding a spin_lock

On Wed, Aug 17, 2016 at 11:08:46AM -0400, Rob Clark wrote: > On Wed, Aug 17, 2016 at 7:40 AM, Vaishali Thakkar > wrote: > > Hello, > > > > I was wondering about the call to copy_from_user in function > > submit_lookup_objects for drive > >