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

[Christian König]

This reverts commit 7be1b9b8e9d1e9ef0342d2e001f44eec4030aa4d.

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 at amd.com>
---
 drivers/gpu/drm/drm_mm.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c
index bc6e208949e8..8981abe8b7c9 100644
--- a/drivers/gpu/drm/drm_mm.c
+++ b/drivers/gpu/drm/drm_mm.c
@@ -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);
 
-- 
2.20.1