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qemu-patch-raspberry4
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migration: Remove is_zero_range() 

It just calls buffer_is_zero().  Just change the callers.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
staging
Juan Quintela 2021-11-18 15:56:38 +01:00
parent 751fe4c608
commit bad452a77e
1 changed files with 2 additions and 7 deletions
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9
migration/ram.c
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@ -81,11 +81,6 @@
/* 0x80 is reserved in migration.h start with 0x100 next */
#define RAM_SAVE_FLAG_COMPRESS_PAGE 0x100
static inline bool is_zero_range(uint8_t *p, uint64_t size)
{
return buffer_is_zero(p, size);
}
XBZRLECacheStats xbzrle_counters;
/* struct contains XBZRLE cache and a static page
@ -1180,7 +1175,7 @@ static int save_zero_page_to_file(RAMState *rs, QEMUFile *file,
uint8_t *p = block->host + offset;
int len = 0;
if (is_zero_range(p, TARGET_PAGE_SIZE)) {
if (buffer_is_zero(p, TARGET_PAGE_SIZE)) {
len += save_page_header(rs, file, block, offset | RAM_SAVE_FLAG_ZERO);
qemu_put_byte(file, 0);
len += 1;
@ -3367,7 +3362,7 @@ static inline void *colo_cache_from_block_offset(RAMBlock *block,
*/
void ram_handle_compressed(void *host, uint8_t ch, uint64_t size)
{
if (ch != 0 || !is_zero_range(host, size)) {
if (ch != 0 || !buffer_is_zero(host, size)) {
memset(host, ch, size);
}
}