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-rw-r--r--migration/options.c164
1 files changed, 0 insertions, 164 deletions
diff --git a/migration/options.c b/migration/options.c
index cc2599ae4a..5ab5b6d85d 100644
--- a/migration/options.c
+++ b/migration/options.c
@@ -40,13 +40,6 @@
* for sending the last part */
#define DEFAULT_MIGRATE_SET_DOWNTIME 300
-/* Default compression thread count */
-#define DEFAULT_MIGRATE_COMPRESS_THREAD_COUNT 8
-/* Default decompression thread count, usually decompression is at
- * least 4 times as fast as compression.*/
-#define DEFAULT_MIGRATE_DECOMPRESS_THREAD_COUNT 2
-/*0: means nocompress, 1: best speed, ... 9: best compress ratio */
-#define DEFAULT_MIGRATE_COMPRESS_LEVEL 1
/* Define default autoconverge cpu throttle migration parameters */
#define DEFAULT_MIGRATE_THROTTLE_TRIGGER_THRESHOLD 50
#define DEFAULT_MIGRATE_CPU_THROTTLE_INITIAL 20
@@ -92,8 +85,6 @@ Property migration_properties[] = {
send_configuration, true),
DEFINE_PROP_BOOL("send-section-footer", MigrationState,
send_section_footer, true),
- DEFINE_PROP_BOOL("decompress-error-check", MigrationState,
- decompress_error_check, true),
DEFINE_PROP_BOOL("multifd-flush-after-each-section", MigrationState,
multifd_flush_after_each_section, false),
DEFINE_PROP_UINT8("x-clear-bitmap-shift", MigrationState,
@@ -102,17 +93,6 @@ Property migration_properties[] = {
preempt_pre_7_2, false),
/* Migration parameters */
- DEFINE_PROP_UINT8("x-compress-level", MigrationState,
- parameters.compress_level,
- DEFAULT_MIGRATE_COMPRESS_LEVEL),
- DEFINE_PROP_UINT8("x-compress-threads", MigrationState,
- parameters.compress_threads,
- DEFAULT_MIGRATE_COMPRESS_THREAD_COUNT),
- DEFINE_PROP_BOOL("x-compress-wait-thread", MigrationState,
- parameters.compress_wait_thread, true),
- DEFINE_PROP_UINT8("x-decompress-threads", MigrationState,
- parameters.decompress_threads,
- DEFAULT_MIGRATE_DECOMPRESS_THREAD_COUNT),
DEFINE_PROP_UINT8("x-throttle-trigger-threshold", MigrationState,
parameters.throttle_trigger_threshold,
DEFAULT_MIGRATE_THROTTLE_TRIGGER_THRESHOLD),
@@ -188,7 +168,6 @@ Property migration_properties[] = {
DEFINE_PROP_MIG_CAP("x-rdma-pin-all", MIGRATION_CAPABILITY_RDMA_PIN_ALL),
DEFINE_PROP_MIG_CAP("x-auto-converge", MIGRATION_CAPABILITY_AUTO_CONVERGE),
DEFINE_PROP_MIG_CAP("x-zero-blocks", MIGRATION_CAPABILITY_ZERO_BLOCKS),
- DEFINE_PROP_MIG_CAP("x-compress", MIGRATION_CAPABILITY_COMPRESS),
DEFINE_PROP_MIG_CAP("x-events", MIGRATION_CAPABILITY_EVENTS),
DEFINE_PROP_MIG_CAP("x-postcopy-ram", MIGRATION_CAPABILITY_POSTCOPY_RAM),
DEFINE_PROP_MIG_CAP("x-postcopy-preempt",
@@ -231,13 +210,6 @@ bool migrate_colo(void)
return s->capabilities[MIGRATION_CAPABILITY_X_COLO];
}
-bool migrate_compress(void)
-{
- MigrationState *s = migrate_get_current();
-
- return s->capabilities[MIGRATION_CAPABILITY_COMPRESS];
-}
-
bool migrate_dirty_bitmaps(void)
{
MigrationState *s = migrate_get_current();
@@ -451,7 +423,6 @@ INITIALIZE_MIGRATE_CAPS_SET(check_caps_background_snapshot,
MIGRATION_CAPABILITY_AUTO_CONVERGE,
MIGRATION_CAPABILITY_RELEASE_RAM,
MIGRATION_CAPABILITY_RDMA_PIN_ALL,
- MIGRATION_CAPABILITY_COMPRESS,
MIGRATION_CAPABILITY_XBZRLE,
MIGRATION_CAPABILITY_X_COLO,
MIGRATION_CAPABILITY_VALIDATE_UUID,
@@ -476,11 +447,6 @@ bool migrate_caps_check(bool *old_caps, bool *new_caps, Error **errp)
ERRP_GUARD();
MigrationIncomingState *mis = migration_incoming_get_current();
- if (new_caps[MIGRATION_CAPABILITY_COMPRESS]) {
- warn_report("old compression method is deprecated;"
- " use multifd compression methods instead");
- }
-
#ifndef CONFIG_REPLICATION
if (new_caps[MIGRATION_CAPABILITY_X_COLO]) {
error_setg(errp, "QEMU compiled without replication module"
@@ -549,7 +515,6 @@ bool migrate_caps_check(bool *old_caps, bool *new_caps, Error **errp)
#ifdef CONFIG_LINUX
if (new_caps[MIGRATION_CAPABILITY_ZERO_COPY_SEND] &&
(!new_caps[MIGRATION_CAPABILITY_MULTIFD] ||
- new_caps[MIGRATION_CAPABILITY_COMPRESS] ||
new_caps[MIGRATION_CAPABILITY_XBZRLE] ||
migrate_multifd_compression() ||
migrate_tls())) {
@@ -571,17 +536,6 @@ bool migrate_caps_check(bool *old_caps, bool *new_caps, Error **errp)
return false;
}
- /*
- * Preempt mode requires urgent pages to be sent in separate
- * channel, OTOH compression logic will disorder all pages into
- * different compression channels, which is not compatible with the
- * preempt assumptions on channel assignments.
- */
- if (new_caps[MIGRATION_CAPABILITY_COMPRESS]) {
- error_setg(errp, "Postcopy preempt not compatible with compress");
- return false;
- }
-
if (migrate_incoming_started()) {
error_setg(errp,
"Postcopy preempt must be set before incoming starts");
@@ -590,10 +544,6 @@ bool migrate_caps_check(bool *old_caps, bool *new_caps, Error **errp)
}
if (new_caps[MIGRATION_CAPABILITY_MULTIFD]) {
- if (new_caps[MIGRATION_CAPABILITY_COMPRESS]) {
- error_setg(errp, "Multifd is not compatible with compress");
- return false;
- }
if (migrate_incoming_started()) {
error_setg(errp, "Multifd must be set before incoming starts");
return false;
@@ -628,13 +578,6 @@ bool migrate_caps_check(bool *old_caps, bool *new_caps, Error **errp)
}
}
- if (new_caps[MIGRATION_CAPABILITY_COMPRESS]) {
- if (new_caps[MIGRATION_CAPABILITY_XBZRLE]) {
- error_setg(errp, "Compression is not compatible with xbzrle");
- return false;
- }
- }
-
if (new_caps[MIGRATION_CAPABILITY_MAPPED_RAM]) {
if (new_caps[MIGRATION_CAPABILITY_XBZRLE]) {
error_setg(errp,
@@ -642,12 +585,6 @@ bool migrate_caps_check(bool *old_caps, bool *new_caps, Error **errp)
return false;
}
- if (new_caps[MIGRATION_CAPABILITY_COMPRESS]) {
- error_setg(errp,
- "Mapped-ram migration is incompatible with compression");
- return false;
- }
-
if (new_caps[MIGRATION_CAPABILITY_POSTCOPY_RAM]) {
error_setg(errp,
"Mapped-ram migration is incompatible with postcopy");
@@ -744,27 +681,6 @@ uint32_t migrate_checkpoint_delay(void)
return s->parameters.x_checkpoint_delay;
}
-int migrate_compress_level(void)
-{
- MigrationState *s = migrate_get_current();
-
- return s->parameters.compress_level;
-}
-
-int migrate_compress_threads(void)
-{
- MigrationState *s = migrate_get_current();
-
- return s->parameters.compress_threads;
-}
-
-int migrate_compress_wait_thread(void)
-{
- MigrationState *s = migrate_get_current();
-
- return s->parameters.compress_wait_thread;
-}
-
uint8_t migrate_cpu_throttle_increment(void)
{
MigrationState *s = migrate_get_current();
@@ -786,13 +702,6 @@ bool migrate_cpu_throttle_tailslow(void)
return s->parameters.cpu_throttle_tailslow;
}
-int migrate_decompress_threads(void)
-{
- MigrationState *s = migrate_get_current();
-
- return s->parameters.decompress_threads;
-}
-
uint64_t migrate_downtime_limit(void)
{
MigrationState *s = migrate_get_current();
@@ -938,14 +847,6 @@ MigrationParameters *qmp_query_migrate_parameters(Error **errp)
/* TODO use QAPI_CLONE() instead of duplicating it inline */
params = g_malloc0(sizeof(*params));
- params->has_compress_level = true;
- params->compress_level = s->parameters.compress_level;
- params->has_compress_threads = true;
- params->compress_threads = s->parameters.compress_threads;
- params->has_compress_wait_thread = true;
- params->compress_wait_thread = s->parameters.compress_wait_thread;
- params->has_decompress_threads = true;
- params->decompress_threads = s->parameters.decompress_threads;
params->has_throttle_trigger_threshold = true;
params->throttle_trigger_threshold = s->parameters.throttle_trigger_threshold;
params->has_cpu_throttle_initial = true;
@@ -1014,10 +915,6 @@ void migrate_params_init(MigrationParameters *params)
params->tls_creds = g_strdup("");
/* Set has_* up only for parameter checks */
- params->has_compress_level = true;
- params->has_compress_threads = true;
- params->has_compress_wait_thread = true;
- params->has_decompress_threads = true;
params->has_throttle_trigger_threshold = true;
params->has_cpu_throttle_initial = true;
params->has_cpu_throttle_increment = true;
@@ -1050,27 +947,6 @@ bool migrate_params_check(MigrationParameters *params, Error **errp)
{
ERRP_GUARD();
- if (params->has_compress_level &&
- (params->compress_level > 9)) {
- error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "compress_level",
- "a value between 0 and 9");
- return false;
- }
-
- if (params->has_compress_threads && (params->compress_threads < 1)) {
- error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
- "compress_threads",
- "a value between 1 and 255");
- return false;
- }
-
- if (params->has_decompress_threads && (params->decompress_threads < 1)) {
- error_setg(errp, QERR_INVALID_PARAMETER_VALUE,
- "decompress_threads",
- "a value between 1 and 255");
- return false;
- }
-
if (params->has_throttle_trigger_threshold &&
(params->throttle_trigger_threshold < 1 ||
params->throttle_trigger_threshold > 100)) {
@@ -1244,22 +1120,6 @@ static void migrate_params_test_apply(MigrateSetParameters *params,
/* TODO use QAPI_CLONE() instead of duplicating it inline */
- if (params->has_compress_level) {
- dest->compress_level = params->compress_level;
- }
-
- if (params->has_compress_threads) {
- dest->compress_threads = params->compress_threads;
- }
-
- if (params->has_compress_wait_thread) {
- dest->compress_wait_thread = params->compress_wait_thread;
- }
-
- if (params->has_decompress_threads) {
- dest->decompress_threads = params->decompress_threads;
- }
-
if (params->has_throttle_trigger_threshold) {
dest->throttle_trigger_threshold = params->throttle_trigger_threshold;
}
@@ -1364,30 +1224,6 @@ static void migrate_params_apply(MigrateSetParameters *params, Error **errp)
/* TODO use QAPI_CLONE() instead of duplicating it inline */
- if (params->has_compress_level) {
- warn_report("old compression is deprecated;"
- " use multifd compression methods instead");
- s->parameters.compress_level = params->compress_level;
- }
-
- if (params->has_compress_threads) {
- warn_report("old compression is deprecated;"
- " use multifd compression methods instead");
- s->parameters.compress_threads = params->compress_threads;
- }
-
- if (params->has_compress_wait_thread) {
- warn_report("old compression is deprecated;"
- " use multifd compression methods instead");
- s->parameters.compress_wait_thread = params->compress_wait_thread;
- }
-
- if (params->has_decompress_threads) {
- warn_report("old compression is deprecated;"
- " use multifd compression methods instead");
- s->parameters.decompress_threads = params->decompress_threads;
- }
-
if (params->has_throttle_trigger_threshold) {
s->parameters.throttle_trigger_threshold = params->throttle_trigger_threshold;
}