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drm/mm: revert "Break long searches in fragmented address spaces"

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This reverts commit 7be1b9b8e9.

The drm_mm is supposed to work in atomic context, so calling schedule()
or in this case cond_resched() is illegal.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/359278/
This commit is contained in:
Christian König 2020-03-30 14:30:41 +02:00
parent e6219defd3
commit 2713778cbf
1 changed files with 1 additions and 7 deletions
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8
drivers/gpu/drm/drm_mm.c
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@ -45,7 +45,6 @@
#include <linux/export.h>
#include <linux/interval_tree_generic.h>
#include <linux/seq_file.h>
#include <linux/sched/signal.h>
#include <linux/slab.h>
#include <linux/stacktrace.h>
@ -367,11 +366,6 @@ next_hole(struct drm_mm *mm,
struct drm_mm_node *node,
enum drm_mm_insert_mode mode)
{
/* Searching is slow; check if we ran out of time/patience */
cond_resched();
if (fatal_signal_pending(current))
return NULL;
switch (mode) {
default:
case DRM_MM_INSERT_BEST:
@ -563,7 +557,7 @@ int drm_mm_insert_node_in_range(struct drm_mm * const mm,
return 0;
}
return signal_pending(current) ? -ERESTARTSYS : -ENOSPC;
return -ENOSPC;
}
EXPORT_SYMBOL(drm_mm_insert_node_in_range);