kqemu_set_notdirty() opt

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1560 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2005-08-21 19:15:23 +00:00
parent f23db1692b
commit fc8dc06020
1 changed files with 3 additions and 0 deletions

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@ -237,6 +237,9 @@ void kqemu_set_notdirty(CPUState *env, ram_addr_t ram_addr)
fprintf(logfile, "kqemu_set_notdirty: addr=%08lx\n", ram_addr);
}
#endif
/* we only track transitions to dirty state */
if (phys_ram_dirty[ram_addr >> TARGET_PAGE_BITS] != 0xff)
return;
if (nb_ram_pages_to_update >= KQEMU_MAX_RAM_PAGES_TO_UPDATE)
nb_ram_pages_to_update = KQEMU_RAM_PAGES_UPDATE_ALL;
else