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[Qemu-devel] [PATCH 6/6] migration: move skip_section_footers
From: |
Peter Xu |
Subject: |
[Qemu-devel] [PATCH 6/6] migration: move skip_section_footers |
Date: |
Tue, 6 Jun 2017 18:30:42 +0800 |
Move it into MigrationState, with a property binded to it.
Same trick played with HW_COMPAT_2_3.
Signed-off-by: Peter Xu <address@hidden>
---
hw/i386/pc_piix.c | 1 -
hw/ppc/spapr.c | 1 -
include/hw/compat.h | 4 ++++
include/migration/migration.h | 2 ++
migration/migration.c | 2 ++
migration/savevm.c | 8 +++-----
6 files changed, 11 insertions(+), 7 deletions(-)
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 529018d..1be23e2 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -313,7 +313,6 @@ static void pc_init1(MachineState *machine,
static void pc_compat_2_3(MachineState *machine)
{
PCMachineState *pcms = PC_MACHINE(machine);
- savevm_skip_section_footers();
if (kvm_enabled()) {
pcms->smm = ON_OFF_AUTO_OFF;
}
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 227b03b..944f829 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -3592,7 +3592,6 @@ DEFINE_SPAPR_MACHINE(2_4, "2.4", false);
static void spapr_machine_2_3_instance_options(MachineState *machine)
{
spapr_machine_2_4_instance_options(machine);
- savevm_skip_section_footers();
}
static void spapr_machine_2_3_class_options(MachineClass *mc)
diff --git a/include/hw/compat.h b/include/hw/compat.h
index 4ed2ae7..ef5fbc7 100644
--- a/include/hw/compat.h
+++ b/include/hw/compat.h
@@ -183,6 +183,10 @@
.value = "on",\
},{\
.driver = "migration",\
+ .property = "skip-section-footer",\
+ .value = "on",\
+ },{\
+ .driver = "migration",\
.property = "store-global-state",\
.value = "off",\
},
diff --git a/include/migration/migration.h b/include/migration/migration.h
index 2d8c9f5..6bdaa97 100644
--- a/include/migration/migration.h
+++ b/include/migration/migration.h
@@ -174,6 +174,8 @@ struct MigrationState
/* Whether we skip QEMU_VM_CONFIGURATION for migration */
bool skip_configuration;
+ /* Whether we skip section footer */
+ bool skip_section_footer;
};
void migrate_set_state(int *state, int old_state, int new_state);
diff --git a/migration/migration.c b/migration/migration.c
index 5d93d06..e0e0970 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -2114,6 +2114,8 @@ static Property migration_properties[] = {
DEFINE_PROP_BOOL("only-migratable", MigrationState, only_migratable,
false),
DEFINE_PROP_BOOL("skip-configuration", MigrationState,
skip_configuration, false),
+ DEFINE_PROP_BOOL("skip-section-footer", MigrationState,
+ skip_section_footer, false),
DEFINE_PROP_END_OF_LIST(),
};
diff --git a/migration/savevm.c b/migration/savevm.c
index e7c18a4..9f56d03 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -65,8 +65,6 @@
const unsigned int postcopy_ram_discard_version = 0;
-static bool skip_section_footers;
-
/* Subcommands for QEMU_VM_COMMAND */
enum qemu_vm_cmd {
MIG_CMD_INVALID = 0, /* Must be 0 */
@@ -787,7 +785,7 @@ static void vmstate_save(QEMUFile *f, SaveStateEntry *se,
QJSON *vmdesc)
void savevm_skip_section_footers(void)
{
- skip_section_footers = true;
+ migrate_get_current()->skip_section_footer = true;
}
/*
@@ -817,7 +815,7 @@ static void save_section_header(QEMUFile *f, SaveStateEntry
*se,
*/
static void save_section_footer(QEMUFile *f, SaveStateEntry *se)
{
- if (!skip_section_footers) {
+ if (!migrate_get_current()->skip_section_footer) {
qemu_put_byte(f, QEMU_VM_SECTION_FOOTER);
qemu_put_be32(f, se->section_id);
}
@@ -1815,7 +1813,7 @@ static bool check_section_footer(QEMUFile *f,
SaveStateEntry *se)
uint8_t read_mark;
uint32_t read_section_id;
- if (skip_section_footers) {
+ if (migrate_get_current()->skip_section_footer) {
/* No footer to check */
return true;
}
--
2.7.4
- Re: [Qemu-devel] [PATCH 1/6] migration: let MigrationState be a qdev, (continued)
[Qemu-devel] [PATCH 3/6] migration: use compat bit for global_state, Peter Xu, 2017/06/06
[Qemu-devel] [PATCH 4/6] migration: move only_migratable to MigrationState, Peter Xu, 2017/06/06
[Qemu-devel] [PATCH 6/6] migration: move skip_section_footers,
Peter Xu <=
[Qemu-devel] [PATCH 5/6] migration: move skip_configuration out, Peter Xu, 2017/06/06