qemu-kvm/kvm-migration-Add-migrate_use_tls-helper.patch

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* Tue Jul 05 2022 Camilla Conte <cconte@redhat.com> - 7.0.0-8 - kvm-tests-avocado-update-aarch64_virt-test-to-exercise-c.patch [bz#2060839] - kvm-RHEL-only-tests-avocado-Switch-aarch64-tests-from-a5.patch [bz#2060839] - kvm-RHEL-only-AArch64-Drop-unsupported-CPU-types.patch [bz#2060839] - kvm-target-i386-deprecate-CPUs-older-than-x86_64-v2-ABI.patch [bz#2060839] - kvm-target-s390x-deprecate-CPUs-older-than-z14.patch [bz#2060839] - kvm-target-arm-deprecate-named-CPU-models.patch [bz#2060839] - kvm-meson.build-Fix-docker-test-build-alpine-when-includ.patch [bz#1968509] - kvm-QIOChannel-Add-flags-on-io_writev-and-introduce-io_f.patch [bz#1968509] - kvm-QIOChannelSocket-Implement-io_writev-zero-copy-flag-.patch [bz#1968509] - kvm-migration-Add-zero-copy-send-parameter-for-QMP-HMP-f.patch [bz#1968509] - kvm-migration-Add-migrate_use_tls-helper.patch [bz#1968509] - kvm-multifd-multifd_send_sync_main-now-returns-negative-.patch [bz#1968509] - kvm-multifd-Send-header-packet-without-flags-if-zero-cop.patch [bz#1968509] - kvm-multifd-Implement-zero-copy-write-in-multifd-migrati.patch [bz#1968509] - kvm-QIOChannelSocket-Introduce-assert-and-reduce-ifdefs-.patch [bz#1968509] - kvm-QIOChannelSocket-Fix-zero-copy-send-so-socket-flush-.patch [bz#1968509] - kvm-migration-Change-zero_copy_send-from-migration-param.patch [bz#1968509] - kvm-migration-Allow-migrate-recover-to-run-multiple-time.patch [bz#2096143] - Resolves: bz#2060839 (Consider deprecating CPU models like "kvm64" / "qemu64" on RHEL 9) - Resolves: bz#1968509 (Use MSG_ZEROCOPY on QEMU Live Migration) - Resolves: bz#2096143 (The migration port is not released if use it again for recovering postcopy migration)
2022-07-05 10:49:23 +00:00
From 828f6c106eedcb7a48e551ffda15af56ff92a899 Mon Sep 17 00:00:00 2001
From: Leonardo Bras <leobras@redhat.com>
Date: Fri, 13 May 2022 03:28:34 -0300
Subject: [PATCH 11/18] migration: Add migrate_use_tls() helper
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Leonardo Brás <leobras@redhat.com>
RH-MergeRequest: 95: MSG_ZEROCOPY + Multifd
RH-Commit: [5/11] 06e945297c3b9c0ce5864885aafcdba1e5746bc2 (LeoBras/centos-qemu-kvm)
RH-Bugzilla: 1968509
RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
RH-Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
RH-Acked-by: Peter Xu <peterx@redhat.com>
A lot of places check parameters.tls_creds in order to evaluate if TLS is
in use, and sometimes call migrate_get_current() just for that test.
Add new helper function migrate_use_tls() in order to simplify testing
for TLS usage.
Signed-off-by: Leonardo Bras <leobras@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20220513062836.965425-6-leobras@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
(cherry picked from commit d2fafb6a6814a8998607d0baf691265032996a0f)
Signed-off-by: Leonardo Bras <leobras@redhat.com>
---
migration/channel.c | 3 +--
migration/migration.c | 9 +++++++++
migration/migration.h | 1 +
migration/multifd.c | 5 +----
4 files changed, 12 insertions(+), 6 deletions(-)
diff --git a/migration/channel.c b/migration/channel.c
index c4fc000a1a..086b5c0d8b 100644
--- a/migration/channel.c
+++ b/migration/channel.c
@@ -38,8 +38,7 @@ void migration_channel_process_incoming(QIOChannel *ioc)
trace_migration_set_incoming_channel(
ioc, object_get_typename(OBJECT(ioc)));
- if (s->parameters.tls_creds &&
- *s->parameters.tls_creds &&
+ if (migrate_use_tls() &&
!object_dynamic_cast(OBJECT(ioc),
TYPE_QIO_CHANNEL_TLS)) {
migration_tls_channel_process_incoming(s, ioc, &local_err);
diff --git a/migration/migration.c b/migration/migration.c
index 0a6b3b9f4d..d91efb66fe 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -2582,6 +2582,15 @@ bool migrate_use_zero_copy_send(void)
}
#endif
+int migrate_use_tls(void)
+{
+ MigrationState *s;
+
+ s = migrate_get_current();
+
+ return s->parameters.tls_creds && *s->parameters.tls_creds;
+}
+
int migrate_use_xbzrle(void)
{
MigrationState *s;
diff --git a/migration/migration.h b/migration/migration.h
index 5bcb7628ef..c2cabb8a14 100644
--- a/migration/migration.h
+++ b/migration/migration.h
@@ -381,6 +381,7 @@ 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);
bool migrate_colo_enabled(void);
diff --git a/migration/multifd.c b/migration/multifd.c
index 76b57a7177..43998ad117 100644
--- a/migration/multifd.c
+++ b/migration/multifd.c
@@ -784,14 +784,11 @@ static bool multifd_channel_connect(MultiFDSendParams *p,
QIOChannel *ioc,
Error *error)
{
- MigrationState *s = migrate_get_current();
-
trace_multifd_set_outgoing_channel(
ioc, object_get_typename(OBJECT(ioc)), p->tls_hostname, error);
if (!error) {
- if (s->parameters.tls_creds &&
- *s->parameters.tls_creds &&
+ if (migrate_use_tls() &&
!object_dynamic_cast(OBJECT(ioc),
TYPE_QIO_CHANNEL_TLS)) {
multifd_tls_channel_connect(p, ioc, &error);
--
2.35.3