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[Qemu-devel] [PATCH 06/38] exec: create function to get a single dirty b
From: |
Juan Quintela |
Subject: |
[Qemu-devel] [PATCH 06/38] exec: create function to get a single dirty bit |
Date: |
Tue, 17 Dec 2013 16:25:42 +0100 |
Signed-off-by: Juan Quintela <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
Reviewed-by: Orit Wasserman <address@hidden>
---
exec.c | 2 +-
include/exec/memory-internal.h | 6 ++++++
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/exec.c b/exec.c
index 8800f8e..95bcf70 100644
--- a/exec.c
+++ b/exec.c
@@ -1486,7 +1486,7 @@ static void notdirty_mem_write(void *opaque, hwaddr
ram_addr,
{
int dirty_flags;
dirty_flags = cpu_physical_memory_get_dirty_flags(ram_addr);
- if (!(dirty_flags & CODE_DIRTY_FLAG)) {
+ if (!cpu_physical_memory_get_dirty_flag(ram_addr, CODE_DIRTY_FLAG)) {
tb_invalidate_phys_page_fast(ram_addr, size);
dirty_flags = cpu_physical_memory_get_dirty_flags(ram_addr);
}
diff --git a/include/exec/memory-internal.h b/include/exec/memory-internal.h
index 4ebab80..136198c 100644
--- a/include/exec/memory-internal.h
+++ b/include/exec/memory-internal.h
@@ -49,6 +49,12 @@ static inline int
cpu_physical_memory_get_dirty_flags(ram_addr_t addr)
return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS];
}
+static inline bool cpu_physical_memory_get_dirty_flag(ram_addr_t addr,
+ int dirty_flag)
+{
+ return ram_list.phys_dirty[addr >> TARGET_PAGE_BITS] & dirty_flag;
+}
+
/* read dirty bit (return 0 or 1) */
static inline int cpu_physical_memory_is_dirty(ram_addr_t addr)
{
--
1.8.3.1
- [Qemu-devel] [PATCH v3 00/38] bitmap queue, Juan Quintela, 2013/12/17
- [Qemu-devel] [PATCH 02/38] memory: cpu_physical_memory_set_dirty_flags() result is never used, Juan Quintela, 2013/12/17
- [Qemu-devel] [PATCH 03/38] memory: cpu_physical_memory_set_dirty_range() return void, Juan Quintela, 2013/12/17
- [Qemu-devel] [PATCH 01/38] bitmap: use long as index, Juan Quintela, 2013/12/17
- [Qemu-devel] [PATCH 04/38] exec: use accessor function to know if memory is dirty, Juan Quintela, 2013/12/17
- [Qemu-devel] [PATCH 05/38] memory: create function to set a single dirty bit, Juan Quintela, 2013/12/17
- [Qemu-devel] [PATCH 06/38] exec: create function to get a single dirty bit,
Juan Quintela <=
- [Qemu-devel] [PATCH 07/38] memory: make cpu_physical_memory_is_dirty return bool, Juan Quintela, 2013/12/17
- [Qemu-devel] [PATCH 08/38] memory: all users of cpu_physical_memory_get_dirty used only one flag, Juan Quintela, 2013/12/17
- [Qemu-devel] [PATCH 09/38] memory: set single dirty flags when possible, Juan Quintela, 2013/12/17
- [Qemu-devel] [PATCH 10/38] memory: cpu_physical_memory_set_dirty_range() always dirty all flags, Juan Quintela, 2013/12/17
- [Qemu-devel] [PATCH 12/38] memory: use bit 2 for migration, Juan Quintela, 2013/12/17