qemu-kvm/SOURCES/kvm-migration-Move-migrate_use_xbzrle-to-options.c.patch
2023-11-07 09:43:59 +00:00

157 lines
4.8 KiB
Diff

From 2184f7dae0df5fa52deba2dc884e09c6bdbc7b5f Mon Sep 17 00:00:00 2001
From: Juan Quintela <quintela@redhat.com>
Date: Wed, 1 Mar 2023 22:20:13 +0100
Subject: [PATCH 29/56] migration: Move migrate_use_xbzrle() to options.c
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Peter Xu <peterx@redhat.com>
RH-MergeRequest: 162: migration: Pretty failures for postcopy on unsupported memory types
RH-Bugzilla: 2057267
RH-Acked-by: Leonardo Brás <leobras@redhat.com>
RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
RH-Acked-by: quintela1 <quintela@redhat.com>
RH-Commit: [28/50] fc8bee0f691a96e6bd0b41f2511abe507b81fea5 (peterx/qemu-kvm)
Once that we are there, we rename the function to migrate_xbzrle()
to be consistent with all other capabilities.
We change the type to return bool also for consistency.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
(cherry picked from commit 87dca0c9bb63014ef73ad82f7aedea1cb5a822e7)
Signed-off-by: Peter Xu <peterx@redhat.com>
---
migration/migration.c | 11 +----------
migration/migration.h | 1 -
migration/options.c | 9 +++++++++
migration/options.h | 1 +
migration/ram.c | 10 +++++-----
5 files changed, 16 insertions(+), 16 deletions(-)
diff --git a/migration/migration.c b/migration/migration.c
index 1d63718e88..a4ede4294e 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -1122,7 +1122,7 @@ static void populate_ram_info(MigrationInfo *info, MigrationState *s)
info->ram->downtime_bytes = stat64_get(&ram_counters.downtime_bytes);
info->ram->postcopy_bytes = stat64_get(&ram_counters.postcopy_bytes);
- if (migrate_use_xbzrle()) {
+ if (migrate_xbzrle()) {
info->xbzrle_cache = g_malloc0(sizeof(*info->xbzrle_cache));
info->xbzrle_cache->cache_size = migrate_xbzrle_cache_size();
info->xbzrle_cache->bytes = xbzrle_counters.bytes;
@@ -2604,15 +2604,6 @@ int migrate_use_tls(void)
return s->parameters.tls_creds && *s->parameters.tls_creds;
}
-int migrate_use_xbzrle(void)
-{
- MigrationState *s;
-
- s = migrate_get_current();
-
- return s->capabilities[MIGRATION_CAPABILITY_XBZRLE];
-}
-
uint64_t migrate_xbzrle_cache_size(void)
{
MigrationState *s;
diff --git a/migration/migration.h b/migration/migration.h
index c939f82d53..e2bb5b1e2f 100644
--- a/migration/migration.h
+++ b/migration/migration.h
@@ -455,7 +455,6 @@ int migrate_multifd_zlib_level(void);
int migrate_multifd_zstd_level(void);
int migrate_use_tls(void);
-int migrate_use_xbzrle(void);
uint64_t migrate_xbzrle_cache_size(void);
bool migrate_use_block(void);
diff --git a/migration/options.c b/migration/options.c
index f357c99996..25264c500e 100644
--- a/migration/options.c
+++ b/migration/options.c
@@ -147,6 +147,15 @@ bool migrate_validate_uuid(void)
return s->capabilities[MIGRATION_CAPABILITY_VALIDATE_UUID];
}
+bool migrate_xbzrle(void)
+{
+ MigrationState *s;
+
+ s = migrate_get_current();
+
+ return s->capabilities[MIGRATION_CAPABILITY_XBZRLE];
+}
+
bool migrate_zero_blocks(void)
{
MigrationState *s;
diff --git a/migration/options.h b/migration/options.h
index ad22f4d24a..8f76a88329 100644
--- a/migration/options.h
+++ b/migration/options.h
@@ -31,6 +31,7 @@ bool migrate_postcopy_preempt(void);
bool migrate_postcopy_ram(void);
bool migrate_release_ram(void);
bool migrate_validate_uuid(void);
+bool migrate_xbzrle(void);
bool migrate_zero_blocks(void);
bool migrate_zero_copy_send(void);
diff --git a/migration/ram.c b/migration/ram.c
index 859dd7b63f..4576d0d849 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -156,14 +156,14 @@ static struct {
static void XBZRLE_cache_lock(void)
{
- if (migrate_use_xbzrle()) {
+ if (migrate_xbzrle()) {
qemu_mutex_lock(&XBZRLE.lock);
}
}
static void XBZRLE_cache_unlock(void)
{
- if (migrate_use_xbzrle()) {
+ if (migrate_xbzrle()) {
qemu_mutex_unlock(&XBZRLE.lock);
}
}
@@ -1137,7 +1137,7 @@ static void migration_update_rates(RAMState *rs, int64_t end_time)
return;
}
- if (migrate_use_xbzrle()) {
+ if (migrate_xbzrle()) {
double encoded_size, unencoded_size;
xbzrle_counters.cache_miss_rate = (double)(xbzrle_counters.cache_miss -
@@ -1626,7 +1626,7 @@ static int find_dirty_block(RAMState *rs, PageSearchStatus *pss)
/* Flag that we've looped */
pss->complete_round = true;
/* After the first round, enable XBZRLE. */
- if (migrate_use_xbzrle()) {
+ if (migrate_xbzrle()) {
rs->xbzrle_enabled = true;
}
}
@@ -2979,7 +2979,7 @@ static int xbzrle_init(void)
{
Error *local_err = NULL;
- if (!migrate_use_xbzrle()) {
+ if (!migrate_xbzrle()) {
return 0;
}
--
2.39.1