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srcu: Fix SRCU read flavor macro comments

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@kernel.org>
Signed-off-by: Joel Fernandes <joelagnelf@nvidia.com>

authored by

Paul E. McKenney and committed by
Joel Fernandes d978d3fc 359cf5c9

+2 -2
+2 -2
include/linux/srcu.h
··· 69 69 #define SRCU_READ_FLAVOR_NORMAL 0x1 // srcu_read_lock(). 70 70 #define SRCU_READ_FLAVOR_NMI 0x2 // srcu_read_lock_nmisafe(). 71 71 // 0x4 // SRCU-lite is no longer with us. 72 - #define SRCU_READ_FLAVOR_FAST 0x4 // srcu_read_lock_fast(). 73 - #define SRCU_READ_FLAVOR_FAST_UPDOWN 0x8 // srcu_read_lock_fast(). 72 + #define SRCU_READ_FLAVOR_FAST 0x4 // srcu_read_lock_fast(), also NMI-safe. 73 + #define SRCU_READ_FLAVOR_FAST_UPDOWN 0x8 // srcu_read_lock_fast_updown(). 74 74 #define SRCU_READ_FLAVOR_ALL (SRCU_READ_FLAVOR_NORMAL | SRCU_READ_FLAVOR_NMI | \ 75 75 SRCU_READ_FLAVOR_FAST | SRCU_READ_FLAVOR_FAST_UPDOWN) 76 76 // All of the above.