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authorThomas Zimmermann <tzimmermann@suse.de>2021-12-17 11:33:33 +0100
committerThomas Zimmermann <tzimmermann@suse.de>2021-12-17 11:33:33 +0100
commit1758047057dbe329be712a31b79db7151b5871f8 (patch)
tree00203eb55328f2feda70b3d37c964287b364796f /lib/scatterlist.c
parentbcae3af286f49bf4f6cda03f165fbe530f4a6bed (diff)
parent1c405ca11bf563de1725e5ecfb4a74ee289d2ee9 (diff)
Merge drm/drm-next into drm-misc-next-fixes
Backmerging to bring drm-misc-next-fixes up to the latest state for the current release cycle. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'lib/scatterlist.c')
-rw-r--r--lib/scatterlist.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/lib/scatterlist.c b/lib/scatterlist.c
index abb3432ed744..d5e82e4a57ad 100644
--- a/lib/scatterlist.c
+++ b/lib/scatterlist.c
@@ -828,8 +828,7 @@ static bool sg_miter_get_next_page(struct sg_mapping_iter *miter)
* stops @miter.
*
* Context:
- * Don't care if @miter is stopped, or not proceeded yet.
- * Otherwise, preemption disabled if the SG_MITER_ATOMIC is set.
+ * Don't care.
*
* Returns:
* true if @miter contains the valid mapping. false if end of sg
@@ -865,8 +864,7 @@ EXPORT_SYMBOL(sg_miter_skip);
* @miter->addr and @miter->length point to the current mapping.
*
* Context:
- * Preemption disabled if SG_MITER_ATOMIC. Preemption must stay disabled
- * till @miter is stopped. May sleep if !SG_MITER_ATOMIC.
+ * May sleep if !SG_MITER_ATOMIC.
*
* Returns:
* true if @miter contains the next mapping. false if end of sg
@@ -906,8 +904,7 @@ EXPORT_SYMBOL(sg_miter_next);
* need to be released during iteration.
*
* Context:
- * Preemption disabled if the SG_MITER_ATOMIC is set. Don't care
- * otherwise.
+ * Don't care otherwise.
*/
void sg_miter_stop(struct sg_mapping_iter *miter)
{
@@ -922,7 +919,7 @@ void sg_miter_stop(struct sg_mapping_iter *miter)
flush_dcache_page(miter->page);
if (miter->__flags & SG_MITER_ATOMIC) {
- WARN_ON_ONCE(preemptible());
+ WARN_ON_ONCE(!pagefault_disabled());
kunmap_atomic(miter->addr);
} else
kunmap(miter->page);