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[Qemu-devel] [PATCH 18/49] exec: create function to get a single dirty b
From: |
Juan Quintela |
Subject: |
[Qemu-devel] [PATCH 18/49] exec: create function to get a single dirty bit |
Date: |
Mon, 13 Jan 2014 18:40:03 +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 c42a2f9..ea78d82 100644
--- a/exec.c
+++ b/exec.c
@@ -1487,7 +1487,7 @@ 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)
{
--
1.8.4.2
- [Qemu-devel] [PATCH 07/49] savevm.c: Coding style fixes, (continued)
- [Qemu-devel] [PATCH 07/49] savevm.c: Coding style fixes, Juan Quintela, 2014/01/13
- [Qemu-devel] [PATCH 11/49] savevm: Small comment about why timer QEMUFile/VMState code is in savevm.c, Juan Quintela, 2014/01/13
- [Qemu-devel] [PATCH 12/49] tests: Some unit tests for vmstate.c, Juan Quintela, 2014/01/13
- [Qemu-devel] [PATCH 10/49] qemu-file: Move QEMUFile code to qemu-file.c, Juan Quintela, 2014/01/13
- [Qemu-devel] [PATCH 09/49] vmstate: Move VMState code to vmstate.c, Juan Quintela, 2014/01/13
- [Qemu-devel] [PATCH 13/49] bitmap: use long as index, Juan Quintela, 2014/01/13
- [Qemu-devel] [PATCH 14/49] memory: cpu_physical_memory_set_dirty_flags() result is never used, Juan Quintela, 2014/01/13
- [Qemu-devel] [PATCH 15/49] memory: cpu_physical_memory_set_dirty_range() return void, Juan Quintela, 2014/01/13
- [Qemu-devel] [PATCH 16/49] exec: use accessor function to know if memory is dirty, Juan Quintela, 2014/01/13
- [Qemu-devel] [PATCH 17/49] memory: create function to set a single dirty bit, Juan Quintela, 2014/01/13
- [Qemu-devel] [PATCH 18/49] exec: create function to get a single dirty bit,
Juan Quintela <=
- [Qemu-devel] [PATCH 20/49] memory: all users of cpu_physical_memory_get_dirty used only one flag, Juan Quintela, 2014/01/13
- [Qemu-devel] [PATCH 21/49] memory: set single dirty flags when possible, Juan Quintela, 2014/01/13
- [Qemu-devel] [PATCH 22/49] memory: cpu_physical_memory_set_dirty_range() always dirty all flags, Juan Quintela, 2014/01/13
- [Qemu-devel] [PATCH 19/49] memory: make cpu_physical_memory_is_dirty return bool, Juan Quintela, 2014/01/13
- [Qemu-devel] [PATCH 23/49] memory: cpu_physical_memory_mask_dirty_range() always clears a single flag, Juan Quintela, 2014/01/13
- [Qemu-devel] [PATCH 24/49] memory: use bit 2 for migration, Juan Quintela, 2014/01/13
- [Qemu-devel] [PATCH 25/49] memory: make sure that client is always inside range, Juan Quintela, 2014/01/13
- [Qemu-devel] [PATCH 26/49] memory: only resize dirty bitmap when memory size increases, Juan Quintela, 2014/01/13
- [Qemu-devel] [PATCH 27/49] memory: cpu_physical_memory_clear_dirty_flag() result is never used, Juan Quintela, 2014/01/13
- [Qemu-devel] [PATCH 28/49] bitmap: Add bitmap_zero_extend operation, Juan Quintela, 2014/01/13