@@ -415,11 +415,6 @@ MultiFDCompression migrate_multifd_compression(void);
int migrate_multifd_zlib_level(void);
int migrate_multifd_zstd_level(void);
-#ifdef CONFIG_LINUX
-bool migrate_use_zero_copy_send(void);
-#else
-#define migrate_use_zero_copy_send() (false)
-#endif
int migrate_use_tls(void);
int migrate_use_xbzrle(void);
uint64_t migrate_xbzrle_cache_size(void);
@@ -34,5 +34,6 @@ bool migrate_postcopy_ram(void);
bool migrate_release_ram(void);
bool migrate_validate_uuid(void);
bool migrate_zero_blocks(void);
+bool migrate_zero_copy_send(void);
#endif
@@ -1607,7 +1607,7 @@ static bool migrate_params_check(MigrationParameters *params, Error **errp)
}
#ifdef CONFIG_LINUX
- if (migrate_use_zero_copy_send() &&
+ if (migrate_zero_copy_send() &&
((params->has_multifd_compression && params->multifd_compression) ||
(params->tls_creds && *params->tls_creds))) {
error_setg(errp,
@@ -2593,17 +2593,6 @@ int migrate_multifd_zstd_level(void)
return s->parameters.multifd_zstd_level;
}
-#ifdef CONFIG_LINUX
-bool migrate_use_zero_copy_send(void)
-{
- MigrationState *s;
-
- s = migrate_get_current();
-
- return s->capabilities[MIGRATION_CAPABILITY_ZERO_COPY_SEND];
-}
-#endif
-
int migrate_use_tls(void)
{
MigrationState *s;
@@ -25,7 +25,7 @@
#include "trace.h"
#include "multifd.h"
#include "threadinfo.h"
-
+#include "options.h"
#include "qemu/yank.h"
#include "io/channel-socket.h"
#include "yank_functions.h"
@@ -608,7 +608,7 @@ int multifd_send_sync_main(QEMUFile *f)
* all the dirty bitmaps.
*/
- flush_zero_copy = migrate_use_zero_copy_send();
+ flush_zero_copy = migrate_zero_copy_send();
for (i = 0; i < migrate_multifd_channels(); i++) {
MultiFDSendParams *p = &multifd_send_state->params[i];
@@ -653,7 +653,7 @@ static void *multifd_send_thread(void *opaque)
MigrationThread *thread = NULL;
Error *local_err = NULL;
int ret = 0;
- bool use_zero_copy_send = migrate_use_zero_copy_send();
+ bool use_zero_copy_send = migrate_zero_copy_send();
thread = MigrationThreadAdd(p->name, qemu_get_thread_id());
@@ -944,7 +944,7 @@ int multifd_save_setup(Error **errp)
p->page_size = qemu_target_page_size();
p->page_count = page_count;
- if (migrate_use_zero_copy_send()) {
+ if (migrate_zero_copy_send()) {
p->write_flags = QIO_CHANNEL_WRITE_FLAG_ZERO_COPY;
} else {
p->write_flags = 0;
@@ -157,3 +157,12 @@ bool migrate_zero_blocks(void)
return s->capabilities[MIGRATION_CAPABILITY_ZERO_BLOCKS];
}
+
+bool migrate_zero_copy_send(void)
+{
+ MigrationState *s;
+
+ s = migrate_get_current();
+
+ return s->capabilities[MIGRATION_CAPABILITY_ZERO_COPY_SEND];
+}
@@ -98,7 +98,7 @@ static void socket_outgoing_migration(QIOTask *task,
trace_migration_socket_outgoing_connected(data->hostname);
- if (migrate_use_zero_copy_send() &&
+ if (migrate_zero_copy_send() &&
!qio_channel_has_feature(sioc, QIO_CHANNEL_FEATURE_WRITE_ZERO_COPY)) {
error_setg(&err, "Zero copy send feature not detected in host kernel");
}
Once that we are there, we rename the function to migrate_zero_copy_send() to be consistent with all other capabilities. We can remove the CONFIG_LINUX guard. We already check that we can't setup this capability in migrate_caps_check(). Signed-off-by: Juan Quintela <quintela@redhat.com> --- migration/migration.h | 5 ----- migration/options.h | 1 + migration/migration.c | 13 +------------ migration/multifd.c | 8 ++++---- migration/options.c | 9 +++++++++ migration/socket.c | 2 +- 6 files changed, 16 insertions(+), 22 deletions(-)