haraldwolff/qemu-patch-raspberry4
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ram: save_live_complete() only do one loop

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We were doing the same loop that stage2, and a new one for stage3.  We
only need the one for stage3.

Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Juan Quintela 2012-06-28 19:48:09 +02:00
parent 5910d1e6cb
commit b81e712d25
1 changed files with 0 additions and 32 deletions
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32
arch_init.c
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@ -403,42 +403,10 @@ static int ram_save_iterate(QEMUFile *f, void *opaque)
static int ram_save_complete(QEMUFile *f, void *opaque)
{
double bwidth = 0;
int ret;
int i;
int bytes_sent;
memory_global_sync_dirty_bitmap(get_system_memory());
bwidth = qemu_get_clock_ns(rt_clock);
i = 0;
while ((ret = qemu_file_rate_limit(f)) == 0) {
bytes_sent = ram_save_block(f);
bytes_transferred += bytes_sent;
if (bytes_sent == 0) { /* no more blocks */
break;
}
/* we want to check in the 1st loop, just in case it was the 1st time
and we had to sync the dirty bitmap.
qemu_get_clock_ns() is a bit expensive, so we only check each some
iterations
*/
if ((i & 63) == 0) {
uint64_t t1 = (qemu_get_clock_ns(rt_clock) - bwidth) / 1000000;
if (t1 > MAX_WAIT) {
DPRINTF("big wait: " PRIu64 " milliseconds, %d iterations\n",
t1, i);
break;
}
}
i++;
}
if (ret < 0) {
return ret;
}
/* try transferring iterative blocks of memory */
/* flush all remaining blocks regardless of rate limiting */