From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0C712C00140 for ; Tue, 2 Aug 2022 06:42:58 +0000 (UTC) Received: from localhost ([::1]:37590 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oIlcH-0006RN-OA for qemu-devel@archiver.kernel.org; Tue, 02 Aug 2022 02:42:57 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43030) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oIlYk-0003Zk-7Q for qemu-devel@nongnu.org; Tue, 02 Aug 2022 02:39:19 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:59181) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oIlYh-00068f-Da for qemu-devel@nongnu.org; Tue, 02 Aug 2022 02:39:17 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1659422354; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=22zCNyKw3QF8S97P4hVv9FBXKE9uVV+FAMAJ2OhDf7s=; b=bbytHoA4WaEbW4dPtooQp0Ra7Sy8tJuB58R1XzhHY/PBUU90I7pM6DOpEdLKiR1gvzHoNj slA+WcEsTkwrLcntmgDZwBRUBLMc1MgJI7NOFiXXH+N399uSwXeGzdF+chqD41CoFOYiHB 5YeT3pXHFGyN1iLTWJGkyM+jhePCyBc= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-240-_OKQg6mBMx2KxbMdLRXgpg-1; Tue, 02 Aug 2022 02:39:13 -0400 X-MC-Unique: _OKQg6mBMx2KxbMdLRXgpg-1 Received: from smtp.corp.redhat.com (int-mx09.intmail.prod.int.rdu2.redhat.com [10.11.54.9]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id B4228185A7A4; Tue, 2 Aug 2022 06:39:12 +0000 (UTC) Received: from secure.mitica (unknown [10.39.192.136]) by smtp.corp.redhat.com (Postfix) with ESMTP id 0361A492C3B; Tue, 2 Aug 2022 06:39:10 +0000 (UTC) From: Juan Quintela To: qemu-devel@nongnu.org Cc: Marcel Apfelbaum , "Dr. David Alan Gilbert" , Leonardo Bras , Peter Xu , Eric Blake , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Yanan Wang , Juan Quintela , Markus Armbruster , Eduardo Habkost Subject: [PATCH v7 01/12] multifd: Create page_size fields into both MultiFD{Recv, Send}Params Date: Tue, 2 Aug 2022 08:38:56 +0200 Message-Id: <20220802063907.18882-2-quintela@redhat.com> In-Reply-To: <20220802063907.18882-1-quintela@redhat.com> References: <20220802063907.18882-1-quintela@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.85 on 10.11.54.9 Received-SPF: pass client-ip=170.10.133.124; envelope-from=quintela@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" We were calling qemu_target_page_size() left and right. Signed-off-by: Juan Quintela --- migration/multifd.h | 4 ++++ migration/multifd-zlib.c | 14 ++++++-------- migration/multifd-zstd.c | 12 +++++------- migration/multifd.c | 18 ++++++++---------- 4 files changed, 23 insertions(+), 25 deletions(-) diff --git a/migration/multifd.h b/migration/multifd.h index 519f498643..86fb9982b3 100644 --- a/migration/multifd.h +++ b/migration/multifd.h @@ -80,6 +80,8 @@ typedef struct { bool registered_yank; /* packet allocated len */ uint32_t packet_len; + /* guest page size */ + uint32_t page_size; /* multifd flags for sending ram */ int write_flags; @@ -143,6 +145,8 @@ typedef struct { QIOChannel *c; /* packet allocated len */ uint32_t packet_len; + /* guest page size */ + uint32_t page_size; /* syncs main thread and channels */ QemuSemaphore sem_sync; diff --git a/migration/multifd-zlib.c b/migration/multifd-zlib.c index 18213a9513..37770248e1 100644 --- a/migration/multifd-zlib.c +++ b/migration/multifd-zlib.c @@ -116,7 +116,6 @@ static void zlib_send_cleanup(MultiFDSendParams *p, Error **errp) static int zlib_send_prepare(MultiFDSendParams *p, Error **errp) { struct zlib_data *z = p->data; - size_t page_size = qemu_target_page_size(); z_stream *zs = &z->zs; uint32_t out_size = 0; int ret; @@ -135,8 +134,8 @@ static int zlib_send_prepare(MultiFDSendParams *p, Error **errp) * with compression. zlib does not guarantee that this is safe, * therefore copy the page before calling deflate(). */ - memcpy(z->buf, p->pages->block->host + p->normal[i], page_size); - zs->avail_in = page_size; + memcpy(z->buf, p->pages->block->host + p->normal[i], p->page_size); + zs->avail_in = p->page_size; zs->next_in = z->buf; zs->avail_out = available; @@ -242,12 +241,11 @@ static void zlib_recv_cleanup(MultiFDRecvParams *p) static int zlib_recv_pages(MultiFDRecvParams *p, Error **errp) { struct zlib_data *z = p->data; - size_t page_size = qemu_target_page_size(); z_stream *zs = &z->zs; uint32_t in_size = p->next_packet_size; /* we measure the change of total_out */ uint32_t out_size = zs->total_out; - uint32_t expected_size = p->normal_num * page_size; + uint32_t expected_size = p->normal_num * p->page_size; uint32_t flags = p->flags & MULTIFD_FLAG_COMPRESSION_MASK; int ret; int i; @@ -274,7 +272,7 @@ static int zlib_recv_pages(MultiFDRecvParams *p, Error **errp) flush = Z_SYNC_FLUSH; } - zs->avail_out = page_size; + zs->avail_out = p->page_size; zs->next_out = p->host + p->normal[i]; /* @@ -288,8 +286,8 @@ static int zlib_recv_pages(MultiFDRecvParams *p, Error **errp) do { ret = inflate(zs, flush); } while (ret == Z_OK && zs->avail_in - && (zs->total_out - start) < page_size); - if (ret == Z_OK && (zs->total_out - start) < page_size) { + && (zs->total_out - start) < p->page_size); + if (ret == Z_OK && (zs->total_out - start) < p->page_size) { error_setg(errp, "multifd %u: inflate generated too few output", p->id); return -1; diff --git a/migration/multifd-zstd.c b/migration/multifd-zstd.c index d788d309f2..f4a8e1ed1f 100644 --- a/migration/multifd-zstd.c +++ b/migration/multifd-zstd.c @@ -113,7 +113,6 @@ static void zstd_send_cleanup(MultiFDSendParams *p, Error **errp) static int zstd_send_prepare(MultiFDSendParams *p, Error **errp) { struct zstd_data *z = p->data; - size_t page_size = qemu_target_page_size(); int ret; uint32_t i; @@ -128,7 +127,7 @@ static int zstd_send_prepare(MultiFDSendParams *p, Error **errp) flush = ZSTD_e_flush; } z->in.src = p->pages->block->host + p->normal[i]; - z->in.size = page_size; + z->in.size = p->page_size; z->in.pos = 0; /* @@ -241,8 +240,7 @@ static int zstd_recv_pages(MultiFDRecvParams *p, Error **errp) { uint32_t in_size = p->next_packet_size; uint32_t out_size = 0; - size_t page_size = qemu_target_page_size(); - uint32_t expected_size = p->normal_num * page_size; + uint32_t expected_size = p->normal_num * p->page_size; uint32_t flags = p->flags & MULTIFD_FLAG_COMPRESSION_MASK; struct zstd_data *z = p->data; int ret; @@ -265,7 +263,7 @@ static int zstd_recv_pages(MultiFDRecvParams *p, Error **errp) for (i = 0; i < p->normal_num; i++) { z->out.dst = p->host + p->normal[i]; - z->out.size = page_size; + z->out.size = p->page_size; z->out.pos = 0; /* @@ -279,8 +277,8 @@ static int zstd_recv_pages(MultiFDRecvParams *p, Error **errp) do { ret = ZSTD_decompressStream(z->zds, &z->out, &z->in); } while (ret > 0 && (z->in.size - z->in.pos > 0) - && (z->out.pos < page_size)); - if (ret > 0 && (z->out.pos < page_size)) { + && (z->out.pos < p->page_size)); + if (ret > 0 && (z->out.pos < p->page_size)) { error_setg(errp, "multifd %u: decompressStream buffer too small", p->id); return -1; diff --git a/migration/multifd.c b/migration/multifd.c index 586ddc9d65..d2070c9cee 100644 --- a/migration/multifd.c +++ b/migration/multifd.c @@ -87,15 +87,14 @@ static void nocomp_send_cleanup(MultiFDSendParams *p, Error **errp) static int nocomp_send_prepare(MultiFDSendParams *p, Error **errp) { MultiFDPages_t *pages = p->pages; - size_t page_size = qemu_target_page_size(); for (int i = 0; i < p->normal_num; i++) { p->iov[p->iovs_num].iov_base = pages->block->host + p->normal[i]; - p->iov[p->iovs_num].iov_len = page_size; + p->iov[p->iovs_num].iov_len = p->page_size; p->iovs_num++; } - p->next_packet_size = p->normal_num * page_size; + p->next_packet_size = p->normal_num * p->page_size; p->flags |= MULTIFD_FLAG_NOCOMP; return 0; } @@ -139,7 +138,6 @@ static void nocomp_recv_cleanup(MultiFDRecvParams *p) static int nocomp_recv_pages(MultiFDRecvParams *p, Error **errp) { uint32_t flags = p->flags & MULTIFD_FLAG_COMPRESSION_MASK; - size_t page_size = qemu_target_page_size(); if (flags != MULTIFD_FLAG_NOCOMP) { error_setg(errp, "multifd %u: flags received %x flags expected %x", @@ -148,7 +146,7 @@ static int nocomp_recv_pages(MultiFDRecvParams *p, Error **errp) } for (int i = 0; i < p->normal_num; i++) { p->iov[i].iov_base = p->host + p->normal[i]; - p->iov[i].iov_len = page_size; + p->iov[i].iov_len = p->page_size; } return qio_channel_readv_all(p->c, p->iov, p->normal_num, errp); } @@ -281,8 +279,7 @@ static void multifd_send_fill_packet(MultiFDSendParams *p) static int multifd_recv_unfill_packet(MultiFDRecvParams *p, Error **errp) { MultiFDPacket_t *packet = p->packet; - size_t page_size = qemu_target_page_size(); - uint32_t page_count = MULTIFD_PACKET_SIZE / page_size; + uint32_t page_count = MULTIFD_PACKET_SIZE / p->page_size; RAMBlock *block; int i; @@ -344,7 +341,7 @@ static int multifd_recv_unfill_packet(MultiFDRecvParams *p, Error **errp) for (i = 0; i < p->normal_num; i++) { uint64_t offset = be64_to_cpu(packet->offset[i]); - if (offset > (block->used_length - page_size)) { + if (offset > (block->used_length - p->page_size)) { error_setg(errp, "multifd: offset too long %" PRIu64 " (max " RAM_ADDR_FMT ")", offset, block->used_length); @@ -433,8 +430,7 @@ static int multifd_send_pages(QEMUFile *f) p->packet_num = multifd_send_state->packet_num++; multifd_send_state->pages = p->pages; p->pages = pages; - transferred = ((uint64_t) pages->num) * qemu_target_page_size() - + p->packet_len; + transferred = ((uint64_t) pages->num) * p->page_size + p->packet_len; qemu_file_acct_rate_limit(f, transferred); ram_counters.multifd_bytes += transferred; ram_counters.transferred += transferred; @@ -939,6 +935,7 @@ int multifd_save_setup(Error **errp) /* We need one extra place for the packet header */ p->iov = g_new0(struct iovec, page_count + 1); p->normal = g_new0(ram_addr_t, page_count); + p->page_size = qemu_target_page_size(); if (migrate_use_zero_copy_send()) { p->write_flags = QIO_CHANNEL_WRITE_FLAG_ZERO_COPY; @@ -1186,6 +1183,7 @@ int multifd_load_setup(Error **errp) p->name = g_strdup_printf("multifdrecv_%d", i); p->iov = g_new0(struct iovec, page_count); p->normal = g_new0(ram_addr_t, page_count); + p->page_size = qemu_target_page_size(); } for (i = 0; i < thread_count; i++) { -- 2.37.1