From patchwork Wed Feb 3 06:00:12 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pavel Dovgalyuk X-Patchwork-Id: 12063455 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BE69FC433E0 for ; Wed, 3 Feb 2021 06:01:40 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 8F87064E2C for ; Wed, 3 Feb 2021 06:01:39 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8F87064E2C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=ispras.ru Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:53240 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l7BEQ-00080v-3W for qemu-devel@archiver.kernel.org; Wed, 03 Feb 2021 01:01:38 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:46698) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l7BDI-0007OY-Ar for qemu-devel@nongnu.org; Wed, 03 Feb 2021 01:00:29 -0500 Received: from mail.ispras.ru ([83.149.199.84]:54096) by eggs.gnu.org with esmtps (TLS1.2:DHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l7BD9-0003uM-Gg for qemu-devel@nongnu.org; Wed, 03 Feb 2021 01:00:28 -0500 Received: from [127.0.1.1] (unknown [62.118.151.149]) by mail.ispras.ru (Postfix) with ESMTPSA id 288F4407626A; Wed, 3 Feb 2021 06:00:13 +0000 (UTC) Subject: [PATCH] replay: rng-builtin support From: Pavel Dovgalyuk To: qemu-devel@nongnu.org Date: Wed, 03 Feb 2021 09:00:12 +0300 Message-ID: <161233201286.170686.7858208964037376305.stgit@pasha-ThinkPad-X280> User-Agent: StGit/0.23 MIME-Version: 1.0 Received-SPF: pass client-ip=83.149.199.84; envelope-from=pavel.dovgalyuk@ispras.ru; helo=mail.ispras.ru X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: lvivier@redhat.com, pbonzini@redhat.com, pavel.dovgalyuk@ispras.ru, amit@kernel.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This patch enables using rng-builtin with record/replay by making the callbacks deterministic. Signed-off-by: Pavel Dovgalyuk --- backends/rng-builtin.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/backends/rng-builtin.c b/backends/rng-builtin.c index f38dff117d..f367eb665c 100644 --- a/backends/rng-builtin.c +++ b/backends/rng-builtin.c @@ -10,6 +10,7 @@ #include "qemu/main-loop.h" #include "qemu/guest-random.h" #include "qom/object.h" +#include "sysemu/replay.h" OBJECT_DECLARE_SIMPLE_TYPE(RngBuiltin, RNG_BUILTIN) @@ -37,7 +38,7 @@ static void rng_builtin_request_entropy(RngBackend *b, RngRequest *req) { RngBuiltin *s = RNG_BUILTIN(b); - qemu_bh_schedule(s->bh); + replay_bh_schedule_event(s->bh); } static void rng_builtin_init(Object *obj)