Commit fc8dc06020f91d29754b5982bca22097ff60ce19
1 parent
f23db169
kqemu_set_notdirty() opt
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1560 c046a42c-6fe2-441c-8c8c-71466251a162
Showing
1 changed file
with
3 additions
and
0 deletions
kqemu.c
| ... | ... | @@ -237,6 +237,9 @@ void kqemu_set_notdirty(CPUState *env, ram_addr_t ram_addr) |
| 237 | 237 | fprintf(logfile, "kqemu_set_notdirty: addr=%08lx\n", ram_addr); |
| 238 | 238 | } |
| 239 | 239 | #endif |
| 240 | + /* we only track transitions to dirty state */ | |
| 241 | + if (phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS] != 0xff) | |
| 242 | + return; | |
| 240 | 243 | if (nb_ram_pages_to_update >= KQEMU_MAX_RAM_PAGES_TO_UPDATE) |
| 241 | 244 | nb_ram_pages_to_update = KQEMU_RAM_PAGES_UPDATE_ALL; |
| 242 | 245 | else | ... | ... |