From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45887) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cr9d7-0008Jo-SE for qemu-devel@nongnu.org; Thu, 23 Mar 2017 16:46:47 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cr9d6-0000bj-0r for qemu-devel@nongnu.org; Thu, 23 Mar 2017 16:46:45 -0400 Received: from mx1.redhat.com ([209.132.183.28]:60198) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cr9d5-0000bM-PA for qemu-devel@nongnu.org; Thu, 23 Mar 2017 16:46:43 -0400 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C36077E9CB for ; Thu, 23 Mar 2017 20:46:43 +0000 (UTC) From: Juan Quintela Date: Thu, 23 Mar 2017 21:45:31 +0100 Message-Id: <20170323204544.12015-39-quintela@redhat.com> In-Reply-To: <20170323204544.12015-1-quintela@redhat.com> References: <20170323204544.12015-1-quintela@redhat.com> Subject: [Qemu-devel] [PATCH 38/51] migration: Remove MigrationState from migration_in_postcopy List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: dgilbert@redhat.com We need to call for the migrate_get_current() in more that half of the uses, so call that inside. Signed-off-by: Juan Quintela --- include/migration/migration.h | 2 +- migration/migration.c | 6 ++++-- migration/ram.c | 22 ++++++++++------------ migration/savevm.c | 4 ++-- 4 files changed, 17 insertions(+), 17 deletions(-) diff --git a/include/migration/migration.h b/include/migration/migration.h index e88bbaf..90849a5 100644 --- a/include/migration/migration.h +++ b/include/migration/migration.h @@ -238,7 +238,7 @@ bool migration_is_idle(MigrationState *s); bool migration_has_finished(MigrationState *); bool migration_has_failed(MigrationState *); /* True if outgoing migration has entered postcopy phase */ -bool migration_in_postcopy(MigrationState *); +bool migration_in_postcopy(void); /* ...and after the device transmission */ bool migration_in_postcopy_after_devices(MigrationState *); MigrationState *migrate_get_current(void); diff --git a/migration/migration.c b/migration/migration.c index ad4ea03..3f99ab3 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1054,14 +1054,16 @@ bool migration_has_failed(MigrationState *s) s->state == MIGRATION_STATUS_FAILED); } -bool migration_in_postcopy(MigrationState *s) +bool migration_in_postcopy(void) { + MigrationState *s = migrate_get_current(); + return (s->state == MIGRATION_STATUS_POSTCOPY_ACTIVE); } bool migration_in_postcopy_after_devices(MigrationState *s) { - return migration_in_postcopy(s) && s->postcopy_after_devices; + return migration_in_postcopy() && s->postcopy_after_devices; } bool migration_is_idle(MigrationState *s) diff --git a/migration/ram.c b/migration/ram.c index 591cf89..cb5f06f 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -778,10 +778,9 @@ static int save_zero_page(RAMState *rs, RAMBlock *block, ram_addr_t offset, return pages; } -static void ram_release_pages(MigrationState *ms, const char *rbname, - uint64_t offset, int pages) +static void ram_release_pages(const char *rbname, uint64_t offset, int pages) { - if (!migrate_release_ram() || !migration_in_postcopy(ms)) { + if (!migrate_release_ram() || !migration_in_postcopy()) { return; } @@ -847,9 +846,9 @@ static int ram_save_page(RAMState *rs, MigrationState *ms, * page would be stale */ xbzrle_cache_zero_page(rs, current_addr); - ram_release_pages(ms, block->idstr, pss->offset, pages); + ram_release_pages(block->idstr, pss->offset, pages); } else if (!rs->ram_bulk_stage && - !migration_in_postcopy(ms) && migrate_use_xbzrle()) { + !migration_in_postcopy() && migrate_use_xbzrle()) { pages = save_xbzrle_page(rs, &p, current_addr, block, offset, last_stage); if (!last_stage) { @@ -868,7 +867,7 @@ static int ram_save_page(RAMState *rs, MigrationState *ms, if (send_async) { qemu_put_buffer_async(rs->f, p, TARGET_PAGE_SIZE, migrate_release_ram() & - migration_in_postcopy(ms)); + migration_in_postcopy()); } else { qemu_put_buffer(rs->f, p, TARGET_PAGE_SIZE); } @@ -898,8 +897,7 @@ static int do_compress_ram_page(QEMUFile *f, RAMBlock *block, error_report("compressed data failed!"); } else { bytes_sent += blen; - ram_release_pages(migrate_get_current(), block->idstr, - offset & TARGET_PAGE_MASK, 1); + ram_release_pages(block->idstr, offset & TARGET_PAGE_MASK, 1); } return bytes_sent; @@ -1035,7 +1033,7 @@ static int ram_save_compressed_page(RAMState *rs, MigrationState *ms, } } if (pages > 0) { - ram_release_pages(ms, block->idstr, pss->offset, pages); + ram_release_pages(block->idstr, pss->offset, pages); } } else { offset |= RAM_SAVE_FLAG_CONTINUE; @@ -1043,7 +1041,7 @@ static int ram_save_compressed_page(RAMState *rs, MigrationState *ms, if (pages == -1) { pages = compress_page_with_multi_thread(rs, block, offset); } else { - ram_release_pages(ms, block->idstr, pss->offset, pages); + ram_release_pages(block->idstr, pss->offset, pages); } } } @@ -2194,7 +2192,7 @@ static int ram_save_complete(QEMUFile *f, void *opaque) rcu_read_lock(); - if (!migration_in_postcopy(migrate_get_current())) { + if (!migration_in_postcopy()) { migration_bitmap_sync(rs); } @@ -2232,7 +2230,7 @@ static void ram_save_pending(QEMUFile *f, void *opaque, uint64_t max_size, remaining_size = rs->migration_dirty_pages * TARGET_PAGE_SIZE; - if (!migration_in_postcopy(migrate_get_current()) && + if (!migration_in_postcopy() && remaining_size < max_size) { qemu_mutex_lock_iothread(); rcu_read_lock(); diff --git a/migration/savevm.c b/migration/savevm.c index 3b19a4a..853a81a 100644 --- a/migration/savevm.c +++ b/migration/savevm.c @@ -1062,7 +1062,7 @@ int qemu_savevm_state_iterate(QEMUFile *f, bool postcopy) static bool should_send_vmdesc(void) { MachineState *machine = MACHINE(qdev_get_machine()); - bool in_postcopy = migration_in_postcopy(migrate_get_current()); + bool in_postcopy = migration_in_postcopy(); return !machine->suppress_vmdesc && !in_postcopy; } @@ -1111,7 +1111,7 @@ void qemu_savevm_state_complete_precopy(QEMUFile *f, bool iterable_only) int vmdesc_len; SaveStateEntry *se; int ret; - bool in_postcopy = migration_in_postcopy(migrate_get_current()); + bool in_postcopy = migration_in_postcopy(); trace_savevm_state_complete_precopy(); -- 2.9.3