From: "Thomas Hellström" <thomas.hellstrom@linux.intel.com>
To: intel-xe@lists.freedesktop.org
Cc: "Thomas Hellström" <thomas.hellstrom@linux.intel.com>,
"Matthew Brost" <matthew.brost@intel.com>,
dri-devel@lists.freedesktop.org, himal.prasad.ghimiray@intel.com,
apopple@nvidia.com, airlied@gmail.com,
"Simona Vetter" <simona.vetter@ffwll.ch>,
felix.kuehling@amd.com,
"Christian König" <christian.koenig@amd.com>,
dakr@kernel.org, "Mrozek, Michal" <michal.mrozek@intel.com>,
"Joonas Lahtinen" <joonas.lahtinen@linux.intel.com>
Subject: [PATCH v6 02/24] drm/pagemap: Remove some dead code
Date: Fri, 19 Dec 2025 12:32:58 +0100 [thread overview]
Message-ID: <20251219113320.183860-3-thomas.hellstrom@linux.intel.com> (raw)
In-Reply-To: <20251219113320.183860-1-thomas.hellstrom@linux.intel.com>
The page pointer can't be NULL.
v5:
- New patch. (Matt Brost)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
---
drivers/gpu/drm/drm_pagemap.c | 13 -------------
1 file changed, 13 deletions(-)
diff --git a/drivers/gpu/drm/drm_pagemap.c b/drivers/gpu/drm/drm_pagemap.c
index 37d7cfbbb3e8..4cf8f54e5a27 100644
--- a/drivers/gpu/drm/drm_pagemap.c
+++ b/drivers/gpu/drm/drm_pagemap.c
@@ -702,19 +702,6 @@ static int __drm_pagemap_migrate_to_ram(struct vm_area_struct *vas,
if (!migrate.cpages)
goto err_free;
- if (!page) {
- for (i = 0; i < npages; ++i) {
- if (!(migrate.src[i] & MIGRATE_PFN_MIGRATE))
- continue;
-
- page = migrate_pfn_to_page(migrate.src[i]);
- break;
- }
-
- if (!page)
- goto err_finalize;
- }
- zdd = page->zone_device_data;
ops = zdd->devmem_allocation->ops;
dev = zdd->devmem_allocation->dev;
--
2.51.1
next prev parent reply other threads:[~2025-12-19 11:34 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-19 11:32 [PATCH v6 00/24] Dynamic drm_pagemaps and Initial multi-device SVM Thomas Hellström
2025-12-19 11:32 ` [PATCH v6 01/24] drm/xe/svm: Fix a debug printout Thomas Hellström
2025-12-19 11:32 ` Thomas Hellström [this message]
2025-12-19 11:32 ` [PATCH v6 03/24] drm/pagemap, drm/xe: Ensure that the devmem allocation is idle before use Thomas Hellström
2025-12-19 11:33 ` [PATCH v6 04/24] drm/pagemap, drm/xe: Add refcounting to struct drm_pagemap Thomas Hellström
2025-12-19 11:33 ` [PATCH v6 05/24] drm/pagemap: Add a refcounted drm_pagemap backpointer to struct drm_pagemap_zdd Thomas Hellström
2025-12-19 11:33 ` [PATCH v6 06/24] drm/pagemap, drm/xe: Manage drm_pagemap provider lifetimes Thomas Hellström
2025-12-19 11:33 ` [PATCH v6 07/24] drm/pagemap: Add a drm_pagemap cache and shrinker Thomas Hellström
2025-12-19 11:33 ` [PATCH v6 08/24] drm/xe: Use the " Thomas Hellström
2025-12-19 11:33 ` [PATCH v6 09/24] drm/pagemap: Remove the drm_pagemap_create() interface Thomas Hellström
2025-12-19 11:33 ` [PATCH v6 10/24] drm/pagemap_util: Add a utility to assign an owner to a set of interconnected gpus Thomas Hellström
2025-12-19 11:33 ` [PATCH v6 11/24] drm/xe: Use the drm_pagemap_util helper to get a svm pagemap owner Thomas Hellström
2025-12-19 11:33 ` [PATCH v6 12/24] drm/xe: Pass a drm_pagemap pointer around with the memory advise attributes Thomas Hellström
2025-12-19 11:33 ` [PATCH v6 13/24] drm/xe: Use the vma attibute drm_pagemap to select where to migrate Thomas Hellström
2025-12-19 11:33 ` [PATCH v6 14/24] drm/xe: Simplify madvise_preferred_mem_loc() Thomas Hellström
2025-12-19 11:33 ` [PATCH v6 15/24] drm/xe/uapi: Extend the madvise functionality to support foreign pagemap placement for svm Thomas Hellström
2025-12-19 11:33 ` [PATCH v6 16/24] drm/xe: Support pcie p2p dma as a fast interconnect Thomas Hellström
2025-12-19 11:33 ` [PATCH v6 17/24] drm/xe/vm: Add a couple of VM debug printouts Thomas Hellström
2025-12-19 11:33 ` [PATCH v6 18/24] drm/xe/svm: Document how xe keeps drm_pagemap references Thomas Hellström
2025-12-19 11:33 ` [PATCH v6 19/24] drm/pagemap, drm/xe: Clean up the use of the device-private page owner Thomas Hellström
2025-12-19 11:33 ` [PATCH v6 20/24] drm/gpusvm: Introduce a function to scan the current migration state Thomas Hellström
2025-12-19 11:33 ` [PATCH v6 21/24] drm/xe: Use drm_gpusvm_scan_mm() Thomas Hellström
2025-12-19 11:33 ` [PATCH v6 22/24] drm/pagemap, drm/xe: Support destination migration over interconnect Thomas Hellström
2025-12-19 11:33 ` [PATCH v6 23/24] drm/pagemap: Support source " Thomas Hellström
2025-12-19 11:33 ` [PATCH v6 24/24] drm/xe/svm: Serialize migration to device if racing Thomas Hellström
2025-12-19 13:31 ` [PATCH v6 00/24] Dynamic drm_pagemaps and Initial multi-device SVM Maarten Lankhorst
2025-12-22 18:44 ` ✗ CI.checkpatch: warning for Dynamic drm_pagemaps and Initial multi-device SVM (rev7) Patchwork
2025-12-22 18:45 ` ✓ CI.KUnit: success " Patchwork
2025-12-22 19:21 ` ✓ Xe.CI.BAT: " Patchwork
2025-12-22 20:14 ` ✗ CI.checkpatch: warning for Dynamic drm_pagemaps and Initial multi-device SVM (rev8) Patchwork
2025-12-22 20:16 ` ✓ CI.KUnit: success " Patchwork
2025-12-22 21:15 ` ✓ Xe.CI.BAT: " Patchwork
2025-12-23 2:31 ` ✓ Xe.CI.Full: " Patchwork
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