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authorJani Nikula <jani.nikula@intel.com>2024-06-19 11:38:31 +0300
committerJani Nikula <jani.nikula@intel.com>2024-06-19 11:38:31 +0300
commitd754ed2821fd9675d203cb73c4afcd593e28b7d0 (patch)
treecd16683cd956a7c334d7e1b3baf02e2e7baa729c /include/linux/srcutiny.h
parentdcaacff03a9fa2838f936e1009b4b7ad56807152 (diff)
parent1ddaaa244021aba8496536a6627b4ad2bc0f936a (diff)
Merge drm/drm-next into drm-intel-next
Sync to v6.10-rc3. Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'include/linux/srcutiny.h')
-rw-r--r--include/linux/srcutiny.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/srcutiny.h b/include/linux/srcutiny.h
index 447133171d95..4d96bbdb45f0 100644
--- a/include/linux/srcutiny.h
+++ b/include/linux/srcutiny.h
@@ -64,8 +64,10 @@ static inline int __srcu_read_lock(struct srcu_struct *ssp)
{
int idx;
+ preempt_disable(); // Needed for PREEMPT_AUTO
idx = ((READ_ONCE(ssp->srcu_idx) + 1) & 0x2) >> 1;
WRITE_ONCE(ssp->srcu_lock_nesting[idx], READ_ONCE(ssp->srcu_lock_nesting[idx]) + 1);
+ preempt_enable();
return idx;
}