From patchwork Thu Mar 23 20:45:33 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Juan Quintela X-Patchwork-Id: 742927 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3vpzhC2yFMz9s7j for ; Fri, 24 Mar 2017 08:09:31 +1100 (AEDT) Received: from localhost ([::1]:58649 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cr9z6-0002zQ-Pi for incoming@patchwork.ozlabs.org; Thu, 23 Mar 2017 17:09:28 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45918) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cr9d9-0008KO-Pg for qemu-devel@nongnu.org; Thu, 23 Mar 2017 16:46:48 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cr9d8-0000d0-MU for qemu-devel@nongnu.org; Thu, 23 Mar 2017 16:46:47 -0400 Received: from mx1.redhat.com ([209.132.183.28]:40304) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cr9d8-0000cK-EM for qemu-devel@nongnu.org; Thu, 23 Mar 2017 16:46:46 -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 6953D437F52 for ; Thu, 23 Mar 2017 20:46:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 6953D437F52 Authentication-Results: ext-mx05.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx05.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=quintela@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com 6953D437F52 Received: from secure.mitica (ovpn-116-230.ams2.redhat.com [10.36.116.230]) by smtp.corp.redhat.com (Postfix) with ESMTP id 7419D53; Thu, 23 Mar 2017 20:46:45 +0000 (UTC) From: Juan Quintela To: qemu-devel@nongnu.org Date: Thu, 23 Mar 2017 21:45:33 +0100 Message-Id: <20170323204544.12015-41-quintela@redhat.com> In-Reply-To: <20170323204544.12015-1-quintela@redhat.com> References: <20170323204544.12015-1-quintela@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Thu, 23 Mar 2017 20:46:46 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH 40/51] ram: Rename qemu_target_page_bits() to qemu_target_page_size() X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: dgilbert@redhat.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" It was used as a size in all cases except one. Signed-off-by: Juan Quintela Reviewed-by: Dr. David Alan Gilbert --- exec.c | 4 ++-- include/sysemu/sysemu.h | 2 +- migration/migration.c | 4 ++-- migration/postcopy-ram.c | 8 ++++---- migration/savevm.c | 8 ++++---- 5 files changed, 13 insertions(+), 13 deletions(-) diff --git a/exec.c b/exec.c index e57a8a2..9a4c385 100644 --- a/exec.c +++ b/exec.c @@ -3349,9 +3349,9 @@ int cpu_memory_rw_debug(CPUState *cpu, target_ulong addr, * Allows code that needs to deal with migration bitmaps etc to still be built * target independent. */ -size_t qemu_target_page_bits(void) +size_t qemu_target_page_size(void) { - return TARGET_PAGE_BITS; + return TARGET_PAGE_SIZE; } #endif diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h index 576c7ce..16175f7 100644 --- a/include/sysemu/sysemu.h +++ b/include/sysemu/sysemu.h @@ -67,7 +67,7 @@ int qemu_reset_requested_get(void); void qemu_system_killed(int signal, pid_t pid); void qemu_system_reset(bool report); void qemu_system_guest_panicked(GuestPanicInformation *info); -size_t qemu_target_page_bits(void); +size_t qemu_target_page_size(void); void qemu_add_exit_notifier(Notifier *notify); void qemu_remove_exit_notifier(Notifier *notify); diff --git a/migration/migration.c b/migration/migration.c index 3f99ab3..92c3c6b 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -646,7 +646,7 @@ static void populate_ram_info(MigrationInfo *info, MigrationState *s) info->ram->skipped = 0; info->ram->normal = norm_mig_pages_transferred(); info->ram->normal_bytes = norm_mig_pages_transferred() * - (1ul << qemu_target_page_bits()); + qemu_target_page_size(); info->ram->mbps = s->mbps; info->ram->dirty_sync_count = ram_dirty_sync_count(); info->ram->postcopy_requests = ram_postcopy_requests(); @@ -2001,7 +2001,7 @@ static void *migration_thread(void *opaque) 10000 is a small enough number for our purposes */ if (ram_dirty_pages_rate() && transferred_bytes > 10000) { s->expected_downtime = ram_dirty_pages_rate() * - (1ul << qemu_target_page_bits()) / bandwidth; + qemu_target_page_size() / bandwidth; } qemu_file_reset_rate_limit(s->to_dst_file); diff --git a/migration/postcopy-ram.c b/migration/postcopy-ram.c index dc80dbb..8756364 100644 --- a/migration/postcopy-ram.c +++ b/migration/postcopy-ram.c @@ -123,7 +123,7 @@ bool postcopy_ram_supported_by_host(void) struct uffdio_range range_struct; uint64_t feature_mask; - if ((1ul << qemu_target_page_bits()) > pagesize) { + if (qemu_target_page_size() > pagesize) { error_report("Target page size bigger than host page size"); goto out; } @@ -745,10 +745,10 @@ PostcopyDiscardState *postcopy_discard_send_init(MigrationState *ms, void postcopy_discard_send_range(MigrationState *ms, PostcopyDiscardState *pds, unsigned long start, unsigned long length) { - size_t tp_bits = qemu_target_page_bits(); + size_t tp_size = qemu_target_page_size(); /* Convert to byte offsets within the RAM block */ - pds->start_list[pds->cur_entry] = (start - pds->offset) << tp_bits; - pds->length_list[pds->cur_entry] = length << tp_bits; + pds->start_list[pds->cur_entry] = (start - pds->offset) * tp_size; + pds->length_list[pds->cur_entry] = length * tp_size; trace_postcopy_discard_send_range(pds->ramblock_name, start, length); pds->cur_entry++; pds->nsentwords++; diff --git a/migration/savevm.c b/migration/savevm.c index 853a81a..bbf055d 100644 --- a/migration/savevm.c +++ b/migration/savevm.c @@ -871,7 +871,7 @@ void qemu_savevm_send_postcopy_advise(QEMUFile *f) { uint64_t tmp[2]; tmp[0] = cpu_to_be64(ram_pagesize_summary()); - tmp[1] = cpu_to_be64(1ul << qemu_target_page_bits()); + tmp[1] = cpu_to_be64(qemu_target_page_size()); trace_qemu_savevm_send_postcopy_advise(); qemu_savevm_command_send(f, MIG_CMD_POSTCOPY_ADVISE, 16, (uint8_t *)tmp); @@ -1390,13 +1390,13 @@ static int loadvm_postcopy_handle_advise(MigrationIncomingState *mis) } remote_tps = qemu_get_be64(mis->from_src_file); - if (remote_tps != (1ul << qemu_target_page_bits())) { + if (remote_tps != qemu_target_page_size()) { /* * Again, some differences could be dealt with, but for now keep it * simple. */ - error_report("Postcopy needs matching target page sizes (s=%d d=%d)", - (int)remote_tps, 1 << qemu_target_page_bits()); + error_report("Postcopy needs matching target page sizes (s=%d d=%zd)", + (int)remote_tps, qemu_target_page_size()); return -1; }