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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org, akpm@linux-foundation.org,
	torvalds@linux-foundation.org, stable@vger.kernel.org
Cc: lwn@lwn.net, jslaby@suse.cz,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: Re: Linux 5.11.10
Date: Thu, 25 Mar 2021 10:21:38 +0100	[thread overview]
Message-ID: <161666403226195@kroah.com> (raw)
In-Reply-To: <16166640322331@kroah.com>

diff --git a/Makefile b/Makefile
index 23403c8e0838..824d15c14be0 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
 PATCHLEVEL = 11
-SUBLEVEL = 9
+SUBLEVEL = 10
 EXTRAVERSION =
 NAME = 💕 Valentine's Day Edition 💕
 
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index a76eb2c14e8c..22073e77fdf9 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -514,7 +514,7 @@ static void ttm_bo_release(struct kref *kref)
 		 * shrinkers, now that they are queued for
 		 * destruction.
 		 */
-		if (WARN_ON(bo->pin_count)) {
+		if (bo->pin_count) {
 			bo->pin_count = 0;
 			ttm_bo_del_from_lru(bo);
 			ttm_bo_add_mem_to_lru(bo, &bo->mem);
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index b5bef3199196..2564e66e67d7 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -600,7 +600,6 @@ static inline bool ttm_bo_uses_embedded_gem_object(struct ttm_buffer_object *bo)
 static inline void ttm_bo_pin(struct ttm_buffer_object *bo)
 {
 	dma_resv_assert_held(bo->base.resv);
-	WARN_ON_ONCE(!kref_read(&bo->kref));
 	++bo->pin_count;
 }
 
@@ -613,11 +612,8 @@ static inline void ttm_bo_pin(struct ttm_buffer_object *bo)
 static inline void ttm_bo_unpin(struct ttm_buffer_object *bo)
 {
 	dma_resv_assert_held(bo->base.resv);
-	WARN_ON_ONCE(!kref_read(&bo->kref));
-	if (bo->pin_count)
-		--bo->pin_count;
-	else
-		WARN_ON_ONCE(true);
+	WARN_ON_ONCE(!bo->pin_count);
+	--bo->pin_count;
 }
 
 int ttm_mem_evict_first(struct ttm_bo_device *bdev,

      reply	other threads:[~2021-03-25  9:22 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-25  9:21 Linux 5.11.10 Greg Kroah-Hartman
2021-03-25  9:21 ` Greg Kroah-Hartman [this message]

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