diff options
| author | Puranjay Mohan <puranjay@kernel.org> | 2026-07-06 10:27:41 -0700 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2026-08-03 10:09:08 +0200 |
| commit | fa8a2d55139fb2e0b09e68c34b730adac92d18d6 (patch) | |
| tree | 0ec9ddb86a3d60d2b33e32e561a62191571d7ced /include | |
| parent | cfd364903af769934ea92d5e80c9b8e20f7b48d2 (diff) | |
srcu: Add lock guard for srcu_fast_updown flavor
Add a guard(srcu_fast_updown) definition for scoped
SRCU-fast-updown read-side critical sections, following the
existing pattern of guard(srcu) and guard(srcu_fast).
Signed-off-by: Puranjay Mohan <puranjay@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Paul E. McKenney <paulmck@kernel.org>
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Link: https://patch.msgid.link/20260706172744.3920417-2-puranjay@kernel.org
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/srcu.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/srcu.h b/include/linux/srcu.h index a54ce9e808b9..72c86d3b23f2 100644 --- a/include/linux/srcu.h +++ b/include/linux/srcu.h @@ -638,4 +638,11 @@ DEFINE_LOCK_GUARD_1(srcu_fast_notrace, struct srcu_struct, DECLARE_LOCK_GUARD_1_ATTRS(srcu_fast_notrace, __acquires_shared(_T), __releases_shared(*(struct srcu_struct **)_T)) #define class_srcu_fast_notrace_constructor(_T) WITH_LOCK_GUARD_1_ATTRS(srcu_fast_notrace, _T) +DEFINE_LOCK_GUARD_1(srcu_fast_updown, struct srcu_struct, + _T->scp = srcu_read_lock_fast_updown(_T->lock), + srcu_read_unlock_fast_updown(_T->lock, _T->scp), + struct srcu_ctr __percpu *scp) +DECLARE_LOCK_GUARD_1_ATTRS(srcu_fast_updown, __acquires_shared(_T), __releases_shared(*(struct srcu_struct **)_T)) +#define class_srcu_fast_updown_constructor(_T) WITH_LOCK_GUARD_1_ATTRS(srcu_fast_updown, _T) + #endif |