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physmem: Factor cpu_physical_memory_dirty_bits_cleared() out

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Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240219061731.232570-1-npiggin@gmail.com>
[PMD: Split patch in 2: part 1/2]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Link: https://lore.kernel.org/r/20240312201458.79532-3-philmd@linaro.org
Signed-off-by: Peter Xu <peterx@redhat.com>
This commit is contained in:
Nicholas Piggin 2024-03-12 21:14:57 +01:00 committed by Peter Xu
parent 7e8ccf99ed
commit 86a9ae80cc
2 changed files with 12 additions and 5 deletions
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9
include/exec/ram_addr.h
View File

@ -25,6 +25,7 @@
#include "sysemu/tcg.h"
#include "exec/ramlist.h"
#include "exec/ramblock.h"
#include "exec/exec-all.h"
extern uint64_t total_dirty_pages;
@ -443,6 +444,14 @@ uint64_t cpu_physical_memory_set_dirty_lebitmap(unsigned long *bitmap,
}
#endif /* not _WIN32 */
static inline void cpu_physical_memory_dirty_bits_cleared(ram_addr_t start,
ram_addr_t length)
{
if (tcg_enabled()) {
tlb_reset_dirty_range_all(start, length);
}
}
bool cpu_physical_memory_test_and_clear_dirty(ram_addr_t start,
ram_addr_t length,
unsigned client);

8
system/physmem.c
View File

@ -881,8 +881,8 @@ bool cpu_physical_memory_test_and_clear_dirty(ram_addr_t start,
memory_region_clear_dirty_bitmap(ramblock->mr, mr_offset, mr_size);
}
if (dirty && tcg_enabled()) {
tlb_reset_dirty_range_all(start, length);
if (dirty) {
cpu_physical_memory_dirty_bits_cleared(start, length);
}
return dirty;
@ -929,9 +929,7 @@ DirtyBitmapSnapshot *cpu_physical_memory_snapshot_and_clear_dirty
}
}
if (tcg_enabled()) {
tlb_reset_dirty_range_all(start, length);
}
cpu_physical_memory_dirty_bits_cleared(start, length);
memory_region_clear_dirty_bitmap(mr, offset, length);