From: "Loïc Minier" <lool@dooz.org>
To: qemu-devel@nongnu.org
Cc: "Loïc Minier" <lool@dooz.org>
Subject: [Qemu-devel] [PATCH 2/2] Make spinlock_t types volatile
Date: Fri, 19 Feb 2010 22:02:40 +0100 [thread overview]
Message-ID: <1266613360-23069-2-git-send-email-lool@dooz.org> (raw)
In-Reply-To: <1266613360-23069-1-git-send-email-lool@dooz.org>
---
qemu-lock.h | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/qemu-lock.h b/qemu-lock.h
index 5c8eb34..23e3442 100644
--- a/qemu-lock.h
+++ b/qemu-lock.h
@@ -34,7 +34,7 @@
#else
#ifdef CONFIG_GCC_ATOMIC_BUILTINS
-typedef int spinlock_t;
+typedef volatile int spinlock_t;
#define SPIN_LOCK_UNLOCKED 0
@@ -43,7 +43,7 @@ typedef int spinlock_t;
#if defined(__hppa__)
-typedef int spinlock_t[4];
+typedef volatile int spinlock_t[4];
#define SPIN_LOCK_UNLOCKED { 1, 1, 1, 1 }
@@ -54,7 +54,7 @@ static inline void resetlock (spinlock_t *p)
#else
-typedef int spinlock_t;
+typedef volatile int spinlock_t;
#define SPIN_LOCK_UNLOCKED 0
--
1.7.0
next prev parent reply other threads:[~2010-02-19 21:02 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-19 21:02 [Qemu-devel] [PATCH 1/2] Detect and use GCC atomic builtins for locking Loïc Minier
2010-02-19 21:02 ` Loïc Minier [this message]
2010-02-19 21:42 ` malc
2010-02-20 8:16 ` Loïc Minier
2010-02-20 8:28 ` malc
2010-02-20 9:10 ` Loïc Minier
2010-02-20 17:57 ` malc
2010-02-22 10:25 ` Loïc Minier
2010-02-22 10:47 ` malc
2010-02-28 0:26 ` Paul Brook
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