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[Qemu-devel] [PATCH v5 3/9] Add save_block_hdr function
From: |
Orit Wasserman |
Subject: |
[Qemu-devel] [PATCH v5 3/9] Add save_block_hdr function |
Date: |
Tue, 3 Jan 2012 15:35:39 +0200 |
Signed-off-by: Orit Wasserman <address@hidden>
---
arch_init.c | 30 +++++++++++++++---------------
1 files changed, 15 insertions(+), 15 deletions(-)
diff --git a/arch_init.c b/arch_init.c
index 426b34d..e87dfbc 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -335,6 +335,17 @@ static void xor_encode(uint8_t *dst, uint8_t *src1,
uint8_t *src2)
}
}
+static void save_block_hdr(QEMUFile *f, RAMBlock *block, ram_addr_t offset,
+ int cont, int flag)
+{
+ qemu_put_be64(f, offset | cont | flag);
+ if (!cont) {
+ qemu_put_byte(f, strlen(block->idstr));
+ qemu_put_buffer(f, (uint8_t *)block->idstr,
+ strlen(block->idstr));
+ }
+}
+
static int is_dup_page(uint8_t *page, uint8_t ch)
{
uint32_t val = ch << 24 | ch << 16 | ch << 8 | ch;
@@ -377,23 +388,12 @@ static int ram_save_block(QEMUFile *f)
p = block->host + offset;
if (is_dup_page(p, *p)) {
- qemu_put_be64(f, offset | cont | RAM_SAVE_FLAG_COMPRESS);
- if (!cont) {
- qemu_put_byte(f, strlen(block->idstr));
- qemu_put_buffer(f, (uint8_t *)block->idstr,
- strlen(block->idstr));
- }
+ save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_COMPRESS);
qemu_put_byte(f, *p);
bytes_sent = 1;
- } else {
- qemu_put_be64(f, offset | cont | RAM_SAVE_FLAG_PAGE);
- if (!cont) {
- qemu_put_byte(f, strlen(block->idstr));
- qemu_put_buffer(f, (uint8_t *)block->idstr,
- strlen(block->idstr));
- }
- qemu_put_buffer(f, p, TARGET_PAGE_SIZE);
- bytes_sent = TARGET_PAGE_SIZE;
+ save_block_hdr(f, block, offset, cont, RAM_SAVE_FLAG_PAGE);
+ qemu_put_buffer(f, p, TARGET_PAGE_SIZE);
+ bytes_sent = TARGET_PAGE_SIZE;
}
break;
--
1.7.6.5
- Re: [Qemu-devel] [PATCH v5 8/9] QMP commands changes, (continued)
- [Qemu-devel] [PATCH v5 6/9] Add xbrle parameters to MigrationState, Orit Wasserman, 2012/01/03
- [Qemu-devel] [PATCH v5 7/9] Add set_cachesize to change XBRLE cache size, Orit Wasserman, 2012/01/03
- Re: [Qemu-devel] [PATCH v5 0/9] XBZRLE delta for live migration of large memory apps, Anthony Liguori, 2012/01/03
- Re: [Qemu-devel] [PATCH v5 0/9] XBZRLE delta for live migration of large memory apps, Avi Kivity, 2012/01/04
- [Qemu-devel] [PATCH v5 0/9] XBZRLE delta for live migration of large memory apps, Orit Wasserman, 2012/01/03
- [Qemu-devel] [PATCH v5 7/9] Add set_cachesize to change XBRLE cache size, Orit Wasserman, 2012/01/03
- [Qemu-devel] [PATCH v5 3/9] Add save_block_hdr function,
Orit Wasserman <=
- [Qemu-devel] [PATCH v5 4/9] Add host_from_stream_offset_versioned function, Orit Wasserman, 2012/01/03
- [Qemu-devel] [PATCH v5 8/9] QMP commands changes, Orit Wasserman, 2012/01/03
- [Qemu-devel] [PATCH v5 1/9] Add cache handling functions, Orit Wasserman, 2012/01/03
- [Qemu-devel] [PATCH v5 9/9] Add XBRLE statistics information, Orit Wasserman, 2012/01/03
- [Qemu-devel] [PATCH v5 5/9] Add XBRLE to ram_save_block and ram_save_live, Orit Wasserman, 2012/01/03
- [Qemu-devel] [PATCH v5 2/9] Add rle_encode and rle_decode functions Implement Run Length Encoding compression, Orit Wasserman, 2012/01/03
- [Qemu-devel] [PATCH v5 6/9] Add xbrle parameters to MigrationState, Orit Wasserman, 2012/01/03