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authorJuan Quintela <quintela@redhat.com>2022-05-02 16:45:35 +0200
committerJuan Quintela <quintela@redhat.com>2022-12-15 10:30:37 +0100
commitddec20f858800cfe3ff7f56aec486dab0585e8b1 (patch)
tree05f760e075d10080b08d248d98a47109d16320ff /migration/multifd.c
parent5204b499a6cae4dfd9fe762d5e6e82224892383b (diff)
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multifd: Create page_size fields into both MultiFD{Recv,Send}Params
We were calling qemu_target_page_size() left and right. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Leonardo Bras <leobras@redhat.com>
Diffstat (limited to 'migration/multifd.c')
-rw-r--r--migration/multifd.c18
1 files changed, 8 insertions, 10 deletions
diff --git a/migration/multifd.c b/migration/multifd.c
index 509bbbe..efffa77 100644
--- a/migration/multifd.c
+++ b/migration/multifd.c
@@ -87,15 +87,14 @@ static void nocomp_send_cleanup(MultiFDSendParams *p, Error **errp)
static int nocomp_send_prepare(MultiFDSendParams *p, Error **errp)
{
MultiFDPages_t *pages = p->pages;
- size_t page_size = qemu_target_page_size();
for (int i = 0; i < p->normal_num; i++) {
p->iov[p->iovs_num].iov_base = pages->block->host + p->normal[i];
- p->iov[p->iovs_num].iov_len = page_size;
+ p->iov[p->iovs_num].iov_len = p->page_size;
p->iovs_num++;
}
- p->next_packet_size = p->normal_num * page_size;
+ p->next_packet_size = p->normal_num * p->page_size;
p->flags |= MULTIFD_FLAG_NOCOMP;
return 0;
}
@@ -139,7 +138,6 @@ static void nocomp_recv_cleanup(MultiFDRecvParams *p)
static int nocomp_recv_pages(MultiFDRecvParams *p, Error **errp)
{
uint32_t flags = p->flags & MULTIFD_FLAG_COMPRESSION_MASK;
- size_t page_size = qemu_target_page_size();
if (flags != MULTIFD_FLAG_NOCOMP) {
error_setg(errp, "multifd %u: flags received %x flags expected %x",
@@ -148,7 +146,7 @@ static int nocomp_recv_pages(MultiFDRecvParams *p, Error **errp)
}
for (int i = 0; i < p->normal_num; i++) {
p->iov[i].iov_base = p->host + p->normal[i];
- p->iov[i].iov_len = page_size;
+ p->iov[i].iov_len = p->page_size;
}
return qio_channel_readv_all(p->c, p->iov, p->normal_num, errp);
}
@@ -281,8 +279,7 @@ static void multifd_send_fill_packet(MultiFDSendParams *p)
static int multifd_recv_unfill_packet(MultiFDRecvParams *p, Error **errp)
{
MultiFDPacket_t *packet = p->packet;
- size_t page_size = qemu_target_page_size();
- uint32_t page_count = MULTIFD_PACKET_SIZE / page_size;
+ uint32_t page_count = MULTIFD_PACKET_SIZE / p->page_size;
RAMBlock *block;
int i;
@@ -344,7 +341,7 @@ static int multifd_recv_unfill_packet(MultiFDRecvParams *p, Error **errp)
for (i = 0; i < p->normal_num; i++) {
uint64_t offset = be64_to_cpu(packet->offset[i]);
- if (offset > (block->used_length - page_size)) {
+ if (offset > (block->used_length - p->page_size)) {
error_setg(errp, "multifd: offset too long %" PRIu64
" (max " RAM_ADDR_FMT ")",
offset, block->used_length);
@@ -433,8 +430,7 @@ static int multifd_send_pages(QEMUFile *f)
p->packet_num = multifd_send_state->packet_num++;
multifd_send_state->pages = p->pages;
p->pages = pages;
- transferred = ((uint64_t) pages->num) * qemu_target_page_size()
- + p->packet_len;
+ transferred = ((uint64_t) pages->num) * p->page_size + p->packet_len;
qemu_file_acct_rate_limit(f, transferred);
ram_counters.multifd_bytes += transferred;
ram_counters.transferred += transferred;
@@ -947,6 +943,7 @@ int multifd_save_setup(Error **errp)
/* We need one extra place for the packet header */
p->iov = g_new0(struct iovec, page_count + 1);
p->normal = g_new0(ram_addr_t, page_count);
+ p->page_size = qemu_target_page_size();
if (migrate_use_zero_copy_send()) {
p->write_flags = QIO_CHANNEL_WRITE_FLAG_ZERO_COPY;
@@ -1194,6 +1191,7 @@ int multifd_load_setup(Error **errp)
p->name = g_strdup_printf("multifdrecv_%d", i);
p->iov = g_new0(struct iovec, page_count);
p->normal = g_new0(ram_addr_t, page_count);
+ p->page_size = qemu_target_page_size();
}
for (i = 0; i < thread_count; i++) {