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drm/selftests/mm: Insert cond_resched() between insert modes 

kbuilder has begun running the selftests and reported a soft-lockup
inside __igt_insert(), so break up the test loop over different modes
with another call to cond_resched().

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171107104131.5923-1-chris@chris-wilson.co.uk
hifive-unleashed-5.1
Chris Wilson 2017-11-07 10:41:31 +00:00 committed by Joonas Lahtinen
parent c188d7ebbe
commit 2dff0a0ce5
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/selftests/test-drm_mm.c
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@ -682,6 +682,8 @@ static int __igt_insert(unsigned int count, u64 size, bool replace)
drm_mm_for_each_node_safe(node, next, &mm)
drm_mm_remove_node(node);
DRM_MM_BUG_ON(!drm_mm_clean(&mm));
cond_resched();
}
ret = 0;
@ -944,6 +946,8 @@ static int __igt_insert_range(unsigned int count, u64 size, u64 start, u64 end)
drm_mm_for_each_node_safe(node, next, &mm)
drm_mm_remove_node(node);
DRM_MM_BUG_ON(!drm_mm_clean(&mm));
cond_resched();
}
ret = 0;
@ -1068,6 +1072,7 @@ static int igt_align(void *ignored)
drm_mm_for_each_node_safe(node, next, &mm)
drm_mm_remove_node(node);
DRM_MM_BUG_ON(!drm_mm_clean(&mm));
cond_resched();
}