mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-08-30 18:03:10 -04:00
Code Issues Packages Projects Releases Wiki Activity

srcu: Add lock guard for srcu_fast_updown flavor

Browse Source 
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
This commit is contained in:
Puranjay Mohan
2026-07-06 10:27:41 -07:00
committed by Peter Zijlstra
parent cfd364903a
commit fa8a2d5513
1 changed files with 7 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
include/linux/srcu.h
View File

@@ -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