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-rw-r--r--include/qemu/cutils.h2
-rw-r--r--migration/ram.c2
-rw-r--r--migration/rdma.c5
-rw-r--r--util/bufferiszero.c8
4 files changed, 6 insertions, 11 deletions
diff --git a/include/qemu/cutils.h b/include/qemu/cutils.h
index 3e4ea236f0..ca58577565 100644
--- a/include/qemu/cutils.h
+++ b/include/qemu/cutils.h
@@ -168,8 +168,6 @@ int64_t qemu_strtosz_suffix_unit(const char *nptr, char **end,
/* used to print char* safely */
#define STR_OR_NULL(str) ((str) ? (str) : "null")
-bool can_use_buffer_find_nonzero_offset(const void *buf, size_t len);
-size_t buffer_find_nonzero_offset(const void *buf, size_t len);
bool buffer_is_zero(const void *buf, size_t len);
/*
diff --git a/migration/ram.c b/migration/ram.c
index a3d70c4c62..a6e1c63a08 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -73,7 +73,7 @@ static const uint8_t ZERO_TARGET_PAGE[TARGET_PAGE_SIZE];
static inline bool is_zero_range(uint8_t *p, uint64_t size)
{
- return buffer_find_nonzero_offset(p, size) == size;
+ return buffer_is_zero(p, size);
}
/* struct contains XBZRLE cache and a static page
diff --git a/migration/rdma.c b/migration/rdma.c
index 5110ec828d..88bdb64457 100644
--- a/migration/rdma.c
+++ b/migration/rdma.c
@@ -1934,10 +1934,7 @@ retry:
* memset() + madvise() the entire chunk without RDMA.
*/
- if (can_use_buffer_find_nonzero_offset((void *)(uintptr_t)sge.addr,
- length)
- && buffer_find_nonzero_offset((void *)(uintptr_t)sge.addr,
- length) == length) {
+ if (buffer_is_zero((void *)(uintptr_t)sge.addr, length)) {
RDMACompress comp = {
.offset = current_addr,
.value = 0,
diff --git a/util/bufferiszero.c b/util/bufferiszero.c
index 067d08f1ca..0cf8b6e7e4 100644
--- a/util/bufferiszero.c
+++ b/util/bufferiszero.c
@@ -192,9 +192,9 @@ static bool avx2_support(void)
return b & bit_AVX2;
}
-bool can_use_buffer_find_nonzero_offset(const void *buf, size_t len) \
+static bool can_use_buffer_find_nonzero_offset(const void *buf, size_t len) \
__attribute__ ((ifunc("can_use_buffer_find_nonzero_offset_ifunc")));
-size_t buffer_find_nonzero_offset(const void *buf, size_t len) \
+static size_t buffer_find_nonzero_offset(const void *buf, size_t len) \
__attribute__ ((ifunc("buffer_find_nonzero_offset_ifunc")));
static void *buffer_find_nonzero_offset_ifunc(void)
@@ -215,12 +215,12 @@ static void *can_use_buffer_find_nonzero_offset_ifunc(void)
}
#pragma GCC pop_options
#else
-bool can_use_buffer_find_nonzero_offset(const void *buf, size_t len)
+static bool can_use_buffer_find_nonzero_offset(const void *buf, size_t len)
{
return can_use_buffer_find_nonzero_offset_inner(buf, len);
}
-size_t buffer_find_nonzero_offset(const void *buf, size_t len)
+static size_t buffer_find_nonzero_offset(const void *buf, size_t len)
{
return buffer_find_nonzero_offset_inner(buf, len);
}