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[Qemu-devel] [RFC PATCH V7 05/19] remove unused spinlock.
From: |
fred . konrad |
Subject: |
[Qemu-devel] [RFC PATCH V7 05/19] remove unused spinlock. |
Date: |
Mon, 10 Aug 2015 17:27:03 +0200 |
From: KONRAD Frederic <address@hidden>
This just removes spinlock as it is not used anymore.
Signed-off-by: KONRAD Frederic <address@hidden>
Changes V6 -> V7:
* Drop the checkpatch part.
---
include/exec/spinlock.h | 49 -------------------------------------------------
1 file changed, 49 deletions(-)
delete mode 100644 include/exec/spinlock.h
diff --git a/include/exec/spinlock.h b/include/exec/spinlock.h
deleted file mode 100644
index a72edda..0000000
--- a/include/exec/spinlock.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * Copyright (c) 2003 Fabrice Bellard
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, see <http://www.gnu.org/licenses/>
- */
-
-/* configure guarantees us that we have pthreads on any host except
- * mingw32, which doesn't support any of the user-only targets.
- * So we can simply assume we have pthread mutexes here.
- */
-#if defined(CONFIG_USER_ONLY)
-
-#include <pthread.h>
-#define spin_lock pthread_mutex_lock
-#define spin_unlock pthread_mutex_unlock
-#define spinlock_t pthread_mutex_t
-#define SPIN_LOCK_UNLOCKED PTHREAD_MUTEX_INITIALIZER
-
-#else
-
-/* Empty implementations, on the theory that system mode emulation
- * is single-threaded. This means that these functions should only
- * be used from code run in the TCG cpu thread, and cannot protect
- * data structures which might also be accessed from the IO thread
- * or from signal handlers.
- */
-typedef int spinlock_t;
-#define SPIN_LOCK_UNLOCKED 0
-
-static inline void spin_lock(spinlock_t *lock)
-{
-}
-
-static inline void spin_unlock(spinlock_t *lock)
-{
-}
-
-#endif
--
1.9.0
- [Qemu-devel] [RFC PATCH V7 00/19] Multithread TCG., fred . konrad, 2015/08/10
- [Qemu-devel] [RFC PATCH V7 02/19] cpus: add tcg_exec_flag., fred . konrad, 2015/08/10
- [Qemu-devel] [RFC PATCH V7 03/19] cpus: introduce async_run_safe_work_on_cpu., fred . konrad, 2015/08/10
- [Qemu-devel] [RFC PATCH V7 05/19] remove unused spinlock.,
fred . konrad <=
- [Qemu-devel] [RFC PATCH V7 06/19] add support for spin lock on POSIX systems exclusively, fred . konrad, 2015/08/10
- [Qemu-devel] [RFC PATCH V7 04/19] replace spinlock by QemuMutex., fred . konrad, 2015/08/10
- [Qemu-devel] [RFC PATCH V7 07/19] protect TBContext with tb_lock., fred . konrad, 2015/08/10
- Re: [Qemu-devel] [RFC PATCH V7 07/19] protect TBContext with tb_lock., Frederic Konrad, 2015/08/11