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ram: Split dirty bitmap by RAMBlock

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Both the ram bitmap and the unsent bitmap are split by RAMBlock.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Reviewed-by: Peter Xu <peterx@redhat.com>

--

Fix compilation when DEBUG_POSTCOPY is enabled (thanks Hailiang)
This commit is contained in:
Juan Quintela 2017-03-22 15:18:04 +01:00
parent e619b14746
commit 6b6712efcc
5 changed files with 116 additions and 175 deletions
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5
migration/postcopy-ram.c
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@ -33,7 +33,6 @@
struct PostcopyDiscardState {
const char *ramblock_name;
uint64_t offset; /* Bitmap entry for the 1st bit of this RAMBlock */
uint16_t cur_entry;
/*
* Start and length of a discard range (bytes)
@ -717,14 +716,12 @@ void *postcopy_get_tmp_page(MigrationIncomingState *mis)
* returns: a new PDS.
*/
PostcopyDiscardState *postcopy_discard_send_init(MigrationState *ms,
unsigned long offset,
const char *name)
{
PostcopyDiscardState *res = g_malloc0(sizeof(PostcopyDiscardState));
if (res) {
res->ramblock_name = name;
res->offset = offset;
}
return res;
@ -745,7 +742,7 @@ void postcopy_discard_send_range(MigrationState *ms, PostcopyDiscardState *pds,
{
size_t tp_size = qemu_target_page_size();
/* Convert to byte offsets within the RAM block */
pds->start_list[pds->cur_entry] = (start - pds->offset) * tp_size;
pds->start_list[pds->cur_entry] = start * tp_size;
pds->length_list[pds->cur_entry] = length * tp_size;
trace_postcopy_discard_send_range(pds->ramblock_name, start, length);
pds->cur_entry++;