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From: Juergen Gross <jgross@suse.com>
To: xen-devel@lists.xenproject.org
Cc: Juergen Gross <jgross@suse.com>,
	Andrew Cooper <andrew.cooper3@citrix.com>,
	George Dunlap <george.dunlap@citrix.com>,
	Jan Beulich <jbeulich@suse.com>, Julien Grall <julien@xen.org>,
	Stefano Stabellini <sstabellini@kernel.org>, Wei Liu <wl@xen.org>
Subject: [PATCH v5 10/13] xen/spinlock: let all is_locked and trylock variants return bool
Date: Thu, 14 Mar 2024 08:20:26 +0100	[thread overview]
Message-ID: <20240314072029.16937-11-jgross@suse.com> (raw)
In-Reply-To: <20240314072029.16937-1-jgross@suse.com>

Switch the remaining trylock and is_locked variants to return bool.

Signed-off-by: Juergen Gross <jgross@suse.com>
---
V5:
- new patch (Jan Beulich)
---
 xen/common/spinlock.c      | 4 ++--
 xen/include/xen/spinlock.h | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/xen/common/spinlock.c b/xen/common/spinlock.c
index a88ad9b93c..b28239f74d 100644
--- a/xen/common/spinlock.c
+++ b/xen/common/spinlock.c
@@ -393,7 +393,7 @@ static bool always_inline spin_is_locked_common(const spinlock_tickets_t *t)
     return t->head != t->tail;
 }
 
-int _spin_is_locked(const spinlock_t *lock)
+bool _spin_is_locked(const spinlock_t *lock)
 {
     return spin_is_locked_common(&lock->tickets);
 }
@@ -429,7 +429,7 @@ static bool always_inline spin_trylock_common(spinlock_tickets_t *t,
     return true;
 }
 
-int _spin_trylock(spinlock_t *lock)
+bool _spin_trylock(spinlock_t *lock)
 {
     return spin_trylock_common(&lock->tickets, &lock->debug, LOCK_PROFILE_PAR);
 }
diff --git a/xen/include/xen/spinlock.h b/xen/include/xen/spinlock.h
index 181e5c7d35..1b50a7e6a0 100644
--- a/xen/include/xen/spinlock.h
+++ b/xen/include/xen/spinlock.h
@@ -234,8 +234,8 @@ void _spin_unlock(spinlock_t *lock);
 void _spin_unlock_irq(spinlock_t *lock);
 void _spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags);
 
-int _spin_is_locked(const spinlock_t *lock);
-int _spin_trylock(spinlock_t *lock);
+bool _spin_is_locked(const spinlock_t *lock);
+bool _spin_trylock(spinlock_t *lock);
 void _spin_barrier(spinlock_t *lock);
 
 static always_inline void spin_lock(spinlock_t *l)
-- 
2.35.3



  parent reply	other threads:[~2024-03-14  7:32 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-14  7:20 [PATCH v5 00/13] xen/spinlock: make recursive spinlocks a dedicated type Juergen Gross
2024-03-14  7:20 ` [PATCH v5 01/13] xen/spinlock: remove misra rule 21.1 violations Juergen Gross
2024-03-14  7:32   ` Jan Beulich
2024-03-14 10:13     ` Jürgen Groß
2024-03-14  7:20 ` [PATCH v5 02/13] xen/spinlock: introduce new type for recursive spinlocks Juergen Gross
2024-03-18 14:35   ` Jan Beulich
2024-03-14  7:20 ` [PATCH v5 03/13] xen/spinlock: rename recursive lock functions Juergen Gross
2024-03-14  7:20 ` [PATCH v5 04/13] xen/spinlock: add rspin_[un]lock_irq[save|restore]() Juergen Gross
2024-03-18 14:43   ` Jan Beulich
2024-03-18 15:55     ` Jürgen Groß
2024-03-18 15:59       ` Jan Beulich
2024-03-18 16:05         ` Jürgen Groß
2024-03-18 16:08           ` Jan Beulich
2024-03-18 16:09             ` Jürgen Groß
2024-03-14  7:20 ` [PATCH v5 05/13] xen/spinlock: make struct lock_profile rspinlock_t aware Juergen Gross
2024-03-14  7:20 ` [PATCH v5 06/13] xen/spinlock: add explicit non-recursive locking functions Juergen Gross
2024-03-14  7:20 ` [PATCH v5 07/13] xen/spinlock: add another function level Juergen Gross
2024-03-18 14:49   ` Jan Beulich
2024-03-14  7:20 ` [PATCH v5 08/13] xen/spinlock: add missing rspin_is_locked() and rspin_barrier() Juergen Gross
2024-03-18 14:57   ` Jan Beulich
2024-03-18 15:31     ` Jürgen Groß
2024-03-18 15:44       ` Jan Beulich
2024-03-18 15:49         ` Jürgen Groß
2024-03-14  7:20 ` [PATCH v5 09/13] xen/spinlock: split recursive spinlocks from normal ones Juergen Gross
2024-03-18 14:59   ` Jan Beulich
2024-03-14  7:20 ` Juergen Gross [this message]
2024-03-18 15:00   ` [PATCH v5 10/13] xen/spinlock: let all is_locked and trylock variants return bool Jan Beulich
2024-03-14  7:20 ` [PATCH v5 11/13] xen/spinlock: support higher number of cpus Juergen Gross
2024-03-18 15:08   ` Jan Beulich
2024-03-18 15:56     ` Jürgen Groß
2024-03-14  7:20 ` [PATCH v5 12/13] xen/rwlock: raise the number of possible cpus Juergen Gross
2024-03-18 15:39   ` Jan Beulich
2024-03-18 16:00     ` Jürgen Groß
2024-03-18 16:05       ` Jan Beulich
2024-03-18 16:06         ` Jürgen Groß
2024-03-14  7:20 ` [PATCH v5 13/13] xen: allow up to 16383 cpus Juergen Gross
2024-03-14  7:26   ` Jan Beulich
2024-03-14 10:14     ` Jürgen Groß

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