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From: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
To: "Christian König" <christian.koenig@amd.com>
Cc: dri-devel@lists.freedesktop.org
Subject: Re: [PATCH 1/4] drm/ttm: add multihop infrastrucutre (v2)
Date: Mon, 9 Nov 2020 18:43:01 +0200	[thread overview]
Message-ID: <20201109164301.GI6112@intel.com> (raw)
In-Reply-To: <dfd0e641-392b-cab2-05d1-ae466ae08ba8@amd.com>

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
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  reply	other threads:[~2020-11-09 16:43 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-09  0:54 ttm multihop split out v2 Dave Airlie
2020-11-09  0:54 ` [PATCH 1/4] drm/ttm: add multihop infrastrucutre (v2) Dave Airlie
2020-11-10 14:34   ` Daniel Vetter
2020-11-11 17:13   ` Christian König
2020-11-09 15:16     ` Ville Syrjälä
2020-11-09 15:57       ` Christian König
2020-11-09 16:18         ` Ville Syrjälä
2020-11-09 16:20           ` Christian König
2020-11-09 16:43             ` Ville Syrjälä [this message]
2020-11-09 20:48               ` Christian König
2020-11-09 21:27                 ` Ville Syrjälä
2020-11-10  5:24                   ` Dave Airlie
2020-11-10 15:47                     ` Ville Syrjälä
2020-11-10 17:11                       ` Daniel Vetter
2020-11-18 13:56                         ` Christian König
2020-11-09  0:54 ` [PATCH 2/4] drm/amdgpu/ttm: use multihop Dave Airlie
2020-11-10 14:38   ` Daniel Vetter
2020-11-11 17:15   ` Christian König
2020-12-13  1:44   ` Mike Lothian
2020-12-14  9:08     ` Daniel Vetter
2020-12-14 20:37       ` Alex Deucher
2020-11-09  0:54 ` [PATCH 3/4] drm/nouveau/ttm: " Dave Airlie
2020-11-09  0:54 ` [PATCH 4/4] drm/radeon/ttm: " Dave Airlie
2020-11-16 12:51   ` Thomas Zimmermann
2020-11-16 14:25     ` Christian König

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