[PATCH 1/4] drm/ttm: add multihop infrastrucutre (v2)

[Ville Syrjälä]

On Mon, Nov 09, 2020 at 05:20:17PM +0100, Christian König wrote:
> Am 09.11.20 um 17:18 schrieb Ville Syrjälä:
> > On Mon, Nov 09, 2020 at 04:57:29PM +0100, Christian König wrote:
> >> Am 09.11.20 um 16:16 schrieb Ville Syrjälä:
> >>> On Wed, Nov 11, 2020 at 06:13:02PM +0100, Christian König wrote:
> >>>> Am 09.11.20 um 01:54 schrieb Dave Airlie:
> >>>>> @@ -1432,15 +1479,18 @@ int ttm_bo_swapout(struct ttm_operation_ctx *ctx)
> >>>>>     	if (bo->mem.mem_type != TTM_PL_SYSTEM) {
> >>>>>     		struct ttm_operation_ctx ctx = { false, false };
> >>>>>     		struct ttm_resource evict_mem;
> >>>>> +		struct ttm_place hop = {};
> >>>> Please always use memset() if you want to zero initialize something in
> >>>> the kernel, we had enough trouble with that.
> >>> What trouble is that? I've not heard of anything, and we use
> >>> ={} quite extensively in drm land.
> >> ={} initializes only named fields, not padding.
> > Has that actually happened?
> 
> YES! Numerous times!

You wouldn't happen to have links/etc. to the discussion?
I'd like to check them out.

-- 
Ville Syrjälä
Intel