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[Qemu-devel] [RFC v3 07/13] ram_addr.h: Make exclusive bitmap accessors
From: |
Alvise Rigo |
Subject: |
[Qemu-devel] [RFC v3 07/13] ram_addr.h: Make exclusive bitmap accessors atomic |
Date: |
Fri, 10 Jul 2015 10:23:40 +0200 |
Suggested-by: Jani Kokkonen <address@hidden>
Suggested-by: Claudio Fontana <address@hidden>
Signed-off-by: Alvise Rigo <address@hidden>
---
include/exec/ram_addr.h | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/include/exec/ram_addr.h b/include/exec/ram_addr.h
index 2766541..e51bd65 100644
--- a/include/exec/ram_addr.h
+++ b/include/exec/ram_addr.h
@@ -255,7 +255,7 @@ uint64_t cpu_physical_memory_sync_dirty_bitmap(unsigned
long *dest,
/* Exclusive bitmap accessors. */
static inline void cpu_physical_memory_set_excl_dirty(ram_addr_t addr)
{
- set_bit(addr >> TARGET_PAGE_BITS,
+ set_bit_atomic(addr >> TARGET_PAGE_BITS,
ram_list.dirty_memory[DIRTY_MEMORY_EXCLUSIVE]);
}
@@ -267,8 +267,8 @@ static inline int
cpu_physical_memory_excl_is_dirty(ram_addr_t addr)
static inline void cpu_physical_memory_clear_excl_dirty(ram_addr_t addr)
{
- clear_bit(addr >> TARGET_PAGE_BITS,
- ram_list.dirty_memory[DIRTY_MEMORY_EXCLUSIVE]);
+ bitmap_test_and_clear_atomic(ram_list.dirty_memory[DIRTY_MEMORY_EXCLUSIVE],
+ addr >> TARGET_PAGE_BITS, 1);
}
#endif
--
2.4.5
- Re: [Qemu-devel] [RFC v3 02/13] cputlb: Add new TLB_EXCL flag, (continued)
- [Qemu-devel] [RFC v3 03/13] softmmu: Add helpers for a new slow-path, Alvise Rigo, 2015/07/10
- [Qemu-devel] [RFC v3 06/13] target-i386: translate: implement qemu_ldlink and qemu_stcond ops, Alvise Rigo, 2015/07/10
- [Qemu-devel] [RFC v3 04/13] tcg-op: create new TCG qemu_ldlink and qemu_stcond instructions, Alvise Rigo, 2015/07/10
- [Qemu-devel] [RFC v3 07/13] ram_addr.h: Make exclusive bitmap accessors atomic,
Alvise Rigo <=
- [Qemu-devel] [RFC v3 08/13] exec.c: introduce a simple rendezvous support, Alvise Rigo, 2015/07/10
- [Qemu-devel] [RFC v3 05/13] target-arm: translate: implement qemu_ldlink and qemu_stcond ops, Alvise Rigo, 2015/07/10
- [Qemu-devel] [RFC v3 09/13] cpus.c: introduce simple callback support, Alvise Rigo, 2015/07/10