[PATCH 09/11] srcu: Fix SRCU read flavor macro comments
From: Paul E. McKenney
Date: Tue Mar 03 2026 - 18:54:26 EST
The SRCU_READ_FLAVOR_FAST and SRCU_READ_FLAVOR_FAST_UPDOWN comments
need repair. The former fails to not that SRCU-fast can be used in NMI
handlers, and the latter says that it goes with srcu_read_lock_fast()
when it really goes with srcu_read_lock_fast_updown(). This commit
therefore fixes both comments.
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxx>
---
include/linux/srcu.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/linux/srcu.h b/include/linux/srcu.h
index bb44a0bd76968..81b1938512d5d 100644
--- a/include/linux/srcu.h
+++ b/include/linux/srcu.h
@@ -69,8 +69,8 @@ int init_srcu_struct_fast_updown(struct srcu_struct *ssp);
#define SRCU_READ_FLAVOR_NORMAL 0x1 // srcu_read_lock().
#define SRCU_READ_FLAVOR_NMI 0x2 // srcu_read_lock_nmisafe().
// 0x4 // SRCU-lite is no longer with us.
-#define SRCU_READ_FLAVOR_FAST 0x4 // srcu_read_lock_fast().
-#define SRCU_READ_FLAVOR_FAST_UPDOWN 0x8 // srcu_read_lock_fast().
+#define SRCU_READ_FLAVOR_FAST 0x4 // srcu_read_lock_fast(), also NMI-safe.
+#define SRCU_READ_FLAVOR_FAST_UPDOWN 0x8 // srcu_read_lock_fast_updown().
#define SRCU_READ_FLAVOR_ALL (SRCU_READ_FLAVOR_NORMAL | SRCU_READ_FLAVOR_NMI | \
SRCU_READ_FLAVOR_FAST | SRCU_READ_FLAVOR_FAST_UPDOWN)
// All of the above.
--
2.40.1