haraldwolff/qemu-patch-raspberry4
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ram: save_live_setup() don't need to sent pages

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We should send pages on interate phase, not in setup one.  This was a
"bug".  Just removing the loop does what we want.  Tested that it
works with current ram_load().

Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Juan Quintela 2012-06-28 19:41:52 +02:00
parent 16310a3cca
commit 5910d1e6cb
1 changed files with 0 additions and 34 deletions
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34
arch_init.c
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@ -307,9 +307,6 @@ static int ram_save_setup(QEMUFile *f, void *opaque)
{
ram_addr_t addr;
RAMBlock *block;
double bwidth = 0;
int ret;
int i;
memory_global_sync_dirty_bitmap(get_system_memory());
@ -338,37 +335,6 @@ static int ram_save_setup(QEMUFile *f, void *opaque)
qemu_put_be64(f, block->length);
}
bwidth = qemu_get_clock_ns(rt_clock);
i = 0;
while ((ret = qemu_file_rate_limit(f)) == 0) {
int bytes_sent;
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;
}
qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
return 0;