From: Danilo Krummrich <dakr@kernel.org>
To: Rob Clark <robdclark@chromium.org>
Cc: phasta@kernel.org, "Rob Clark" <robdclark@gmail.com>,
dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org,
linux-arm-msm@vger.kernel.org,
"Connor Abbott" <cwabbott0@gmail.com>,
"Matthew Brost" <matthew.brost@intel.com>,
"Christian König" <ckoenig.leichtzumerken@gmail.com>,
"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
"Maxime Ripard" <mripard@kernel.org>,
"Thomas Zimmermann" <tzimmermann@suse.de>,
"David Airlie" <airlied@gmail.com>,
"Simona Vetter" <simona@ffwll.ch>,
"open list" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v4 04/40] drm/sched: Add enqueue credit limit
Date: Thu, 15 May 2025 19:23:10 +0200 [thread overview]
Message-ID: <aCYi_mkv47ckB6ox@pollux> (raw)
In-Reply-To: <CAJs_Fx771FFVDVFMn8YJkR9f9Ad-UQspJ9KKQw4u6Cu4TA7YPA@mail.gmail.com>
On Thu, May 15, 2025 at 09:15:08AM -0700, Rob Clark wrote:
> Basically it is a way to throttle userspace to prevent it from OoM'ing
> itself. (I suppose userspace could throttle itself, but it doesn't
> really know how much pre-allocation will need to be done for pgtable
> updates.)
I assume you mean prevent a single process from OOM'ing itself by queuing up
VM_BIND requests much faster than they can be completed and hence
pre-allocations for page tables get out of control?
next prev parent reply other threads:[~2025-05-15 17:23 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-14 16:58 [PATCH v4 00/40] drm/msm: sparse / "VM_BIND" support Rob Clark
2025-05-14 16:59 ` [PATCH v4 01/40] drm/gpuvm: Don't require obj lock in destructor path Rob Clark
2025-05-14 16:59 ` [PATCH v4 02/40] drm/gpuvm: Allow VAs to hold soft reference to BOs Rob Clark
2025-05-14 16:59 ` [PATCH v4 03/40] drm/gem: Add ww_acquire_ctx support to drm_gem_lru_scan() Rob Clark
2025-05-14 16:59 ` [PATCH v4 04/40] drm/sched: Add enqueue credit limit Rob Clark
2025-05-15 9:28 ` Philipp Stanner
2025-05-15 16:15 ` Rob Clark
2025-05-15 16:22 ` Connor Abbott
2025-05-15 17:29 ` Danilo Krummrich
2025-05-15 17:40 ` Rob Clark
2025-05-15 18:56 ` Danilo Krummrich
2025-05-15 19:56 ` Rob Clark
2025-05-20 7:06 ` Danilo Krummrich
2025-05-20 16:07 ` Rob Clark
2025-05-20 16:54 ` Danilo Krummrich
2025-05-20 17:05 ` Connor Abbott
2025-05-20 17:22 ` Rob Clark
2025-05-22 11:00 ` Danilo Krummrich
2025-05-22 14:47 ` Rob Clark
2025-05-22 15:53 ` Danilo Krummrich
2025-05-23 2:31 ` Rob Clark
2025-05-23 6:58 ` Danilo Krummrich
2025-05-15 17:23 ` Danilo Krummrich [this message]
2025-05-15 17:36 ` Rob Clark
2025-05-14 16:59 ` [PATCH v4 05/40] iommu/io-pgtable-arm: Add quirk to quiet WARN_ON() Rob Clark
2025-05-14 16:59 ` [PATCH v4 06/40] drm/msm: Rename msm_file_private -> msm_context Rob Clark
2025-05-14 16:59 ` [PATCH v4 07/40] drm/msm: Improve msm_context comments Rob Clark
2025-05-14 16:59 ` [PATCH v4 08/40] drm/msm: Rename msm_gem_address_space -> msm_gem_vm Rob Clark
2025-05-14 16:59 ` [PATCH v4 09/40] drm/msm: Remove vram carveout support Rob Clark
2025-05-14 16:59 ` [PATCH v4 10/40] drm/msm: Collapse vma allocation and initialization Rob Clark
2025-05-14 16:59 ` [PATCH v4 11/40] drm/msm: Collapse vma close and delete Rob Clark
2025-05-14 17:13 ` [PATCH v4 00/40] drm/msm: sparse / "VM_BIND" support Rob Clark
-- strict thread matches above, loose matches on Subject: below --
2025-05-14 17:53 Rob Clark
2025-05-14 17:53 ` [PATCH v4 04/40] drm/sched: Add enqueue credit limit Rob Clark
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