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[Qemu-devel] [PATCH 12/16] migration: Send the fd number which we are go
From: |
Juan Quintela |
Subject: |
[Qemu-devel] [PATCH 12/16] migration: Send the fd number which we are going to use for this page |
Date: |
Mon, 13 Mar 2017 13:44:30 +0100 |
We are still sending the page through the main channel, that would
change later in the series
Signed-off-by: Juan Quintela <address@hidden>
---
migration/ram.c | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)
diff --git a/migration/ram.c b/migration/ram.c
index 4914240..6f5ca50 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -577,7 +577,7 @@ static int multifd_send_page(uint8_t *address)
qemu_mutex_unlock(&p->mutex);
qemu_sem_post(&p->sem);
- return 0;
+ return i;
}
struct MultiFDRecvParams {
@@ -1139,6 +1139,7 @@ static int ram_multifd_page(QEMUFile *f, PageSearchStatus
*pss,
bool last_stage, uint64_t *bytes_transferred)
{
int pages;
+ uint16_t fd_num;
uint8_t *p;
RAMBlock *block = pss->block;
ram_addr_t offset = pss->offset;
@@ -1152,8 +1153,10 @@ static int ram_multifd_page(QEMUFile *f,
PageSearchStatus *pss,
if (pages == -1) {
*bytes_transferred +=
save_page_header(f, block, offset | RAM_SAVE_FLAG_MULTIFD_PAGE);
+ fd_num = multifd_send_page(p);
+ qemu_put_be16(f, fd_num);
+ *bytes_transferred += 2; /* size of fd_num */
qemu_put_buffer(f, p, TARGET_PAGE_SIZE);
- multifd_send_page(p);
*bytes_transferred += TARGET_PAGE_SIZE;
pages = 1;
acct_info.norm_pages++;
@@ -2898,6 +2901,7 @@ static int ram_load(QEMUFile *f, void *opaque, int
version_id)
while (!postcopy_running && !ret && !(flags & RAM_SAVE_FLAG_EOS)) {
ram_addr_t addr, total_ram_bytes;
void *host = NULL;
+ uint16_t fd_num;
uint8_t ch;
addr = qemu_get_be64(f);
@@ -3007,6 +3011,11 @@ static int ram_load(QEMUFile *f, void *opaque, int
version_id)
break;
case RAM_SAVE_FLAG_MULTIFD_PAGE:
+ fd_num = qemu_get_be16(f);
+ if (fd_num != 0) {
+ /* this is yet an unused variable, changed later */
+ fd_num = fd_num;
+ }
qemu_get_buffer(f, host, TARGET_PAGE_SIZE);
break;
--
2.9.3
- [Qemu-devel] [PATCH 06/16] migration: Create x-multifd-threads parameter, (continued)
[Qemu-devel] [PATCH 10/16] migration: Create ram_multifd_page, Juan Quintela, 2017/03/13
[Qemu-devel] [PATCH 11/16] migration: Really use multiple pages at a time, Juan Quintela, 2017/03/13
[Qemu-devel] [PATCH 12/16] migration: Send the fd number which we are going to use for this page,
Juan Quintela <=
[Qemu-devel] [PATCH 14/16] migration: Test new fd infrastructure, Juan Quintela, 2017/03/13
[Qemu-devel] [PATCH 13/16] migration: Create thread infrastructure for multifd recv side, Juan Quintela, 2017/03/13
- Re: [Qemu-devel] [PATCH 13/16] migration: Create thread infrastructure for multifd recv side, Paolo Bonzini, 2017/03/14
- Re: [Qemu-devel] [PATCH 13/16] migration: Create thread infrastructure for multifd recv side, Dr. David Alan Gilbert, 2017/03/17
- Re: [Qemu-devel] [PATCH 13/16] migration: Create thread infrastructure for multifd recv side, Paolo Bonzini, 2017/03/17
- Re: [Qemu-devel] [PATCH 13/16] migration: Create thread infrastructure for multifd recv side, Dr. David Alan Gilbert, 2017/03/17
- Re: [Qemu-devel] [PATCH 13/16] migration: Create thread infrastructure for multifd recv side, Paolo Bonzini, 2017/03/20
- Re: [Qemu-devel] [PATCH 13/16] migration: Create thread infrastructure for multifd recv side, Juan Quintela, 2017/03/30
[Qemu-devel] [PATCH 16/16] migration: Flush receive queue, Juan Quintela, 2017/03/13
[Qemu-devel] [PATCH 15/16] migration: Transfer pages over new channels, Juan Quintela, 2017/03/13