From nobody Tue Feb 10 02:00:56 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1624631389818219.35969536683922; Fri, 25 Jun 2021 07:29:49 -0700 (PDT) Received: from localhost ([::1]:55222 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lwmq4-0006b6-O9 for importer@patchew.org; Fri, 25 Jun 2021 10:29:48 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:60938) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lwmfT-0003pp-E5 for qemu-devel@nongnu.org; Fri, 25 Jun 2021 10:18:51 -0400 Received: from mail-ej1-x630.google.com ([2a00:1450:4864:20::630]:44959) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lwmfR-0003KT-Hj for qemu-devel@nongnu.org; Fri, 25 Jun 2021 10:18:51 -0400 Received: by mail-ej1-x630.google.com with SMTP id n2so4245030eju.11 for ; Fri, 25 Jun 2021 07:18:49 -0700 (PDT) Received: from avogadro.lan ([2001:b07:6468:f312:c8dd:75d4:99ab:290a]) by smtp.gmail.com with ESMTPSA id c28sm326579ejc.102.2021.06.25.07.18.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Jun 2021 07:18:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=urD9bcWBtakTOzRVsOR6rO1xdKgztkuvnTLHzYt41Aw=; b=QsGpSHoUYQYo73XaCg8AJJD6b4ewtwH8pRBCKP9WH1W3q0Q0Yr3IWLgUirlQcZItjk yh/mjyzl9s1H0n1SNAHe3kk06VrPaoXkGtgVCIOC7Cq40PJV++MZ7d4R1ZdG7c38Io6a aYU9S2MACzIxKLhjLRzERToDCovH9a7MyhLjmlrN+OuT0AaW9Bl7iWEzUjot1Qxp/tpy uUTvEZbCryUBuXKYhuA26c8y72QD53b/eU6vFZ0QC+xIrKNKN014dMOM6HrRhPsbi/Wr CK3FxG1aMXJfingFY2b0bkYUQxrYvJmtLx960wj3fi6XKgMxeruvgvxeLtoft9g1yn4l P0qA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=urD9bcWBtakTOzRVsOR6rO1xdKgztkuvnTLHzYt41Aw=; b=QfgnkGp8uaEZsfgUoEY2fvTlTFIZOUOJ6XsK2x2YgWgtXVTipTI3N0AOyauQ9V+m/W k2nliL68yH+VvMgG3FXqIj03TU2DZlRo7QG7cIx4Jx5q+mGRTu/+srNYwrSfuoxsluFr Z9xjfht5zxOrLu5T1Zh4UYeg7o7JyZDcthXiK5P7271TOWUUDsUKf5OZ1WgH6av8GJfU 8BBAkipmhrJOrrQ2OLVgR+nhJnwseyriqT6xgpBxeactSOYcfzW5sgljfqV43c88NbRz I4t2oeCp2GbX5ASnBvkx8GoskauCY8JFjEy/rPqvzrI40wHINuHyFC4blC5dXrFCnJHq XRsg== X-Gm-Message-State: AOAM533COe48op31rvNjIQwl/bNahiUTnFDbxa55YC484EapUDVbBVCI 759NLhH8I215XRljkWZ5SAfDScYoZBg= X-Google-Smtp-Source: ABdhPJxeJ5uFZ+KlWXuRhjU8baE44hb1p97iMqL5PQUJwsMKfuobxeqcZ/ZZVnI86xWjru5a1HnmcQ== X-Received: by 2002:a17:907:264c:: with SMTP id ar12mr11081729ejc.391.1624630728114; Fri, 25 Jun 2021 07:18:48 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PULL 26/28] machine: add error propagation to mc->smp_parse Date: Fri, 25 Jun 2021 16:18:20 +0200 Message-Id: <20210625141822.1368639-27-pbonzini@redhat.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210625141822.1368639-1-pbonzini@redhat.com> References: <20210625141822.1368639-1-pbonzini@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::630; envelope-from=paolo.bonzini@gmail.com; helo=mail-ej1-x630.google.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.25, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.25, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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: =?UTF-8?q?Daniel=20P=20=2E=20Berrang=C3=A9?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Clean up the smp_parse functions to use Error** instead of exiting. Reviewed-by: Daniel P. Berrang=C3=A9 Signed-off-by: Paolo Bonzini Message-Id: <20210617155308.928754-9-pbonzini@redhat.com> Signed-off-by: Paolo Bonzini --- hw/core/machine.c | 34 +++++++++++++++++++--------------- hw/i386/pc.c | 28 ++++++++++++++-------------- include/hw/boards.h | 2 +- include/hw/i386/pc.h | 2 -- 4 files changed, 34 insertions(+), 32 deletions(-) diff --git a/hw/core/machine.c b/hw/core/machine.c index 1016ec9e1c..5a9c97ccc5 100644 --- a/hw/core/machine.c +++ b/hw/core/machine.c @@ -739,7 +739,7 @@ void machine_set_cpu_numa_node(MachineState *machine, } } =20 -static void smp_parse(MachineState *ms, QemuOpts *opts) +static void smp_parse(MachineState *ms, QemuOpts *opts, Error **errp) { unsigned cpus =3D qemu_opt_get_number(opts, "cpus", 0); unsigned sockets =3D qemu_opt_get_number(opts, "sockets", 0); @@ -766,28 +766,28 @@ static void smp_parse(MachineState *ms, QemuOpts *opt= s) threads =3D cpus / (cores * sockets); threads =3D threads > 0 ? threads : 1; } else if (sockets * cores * threads < cpus) { - error_report("cpu topology: " - "sockets (%u) * cores (%u) * threads (%u) < " - "smp_cpus (%u)", - sockets, cores, threads, cpus); - exit(1); + error_setg(errp, "cpu topology: " + "sockets (%u) * cores (%u) * threads (%u) < " + "smp_cpus (%u)", + sockets, cores, threads, cpus); + return; } =20 ms->smp.max_cpus =3D qemu_opt_get_number(opts, "maxcpus", cpus); =20 if (ms->smp.max_cpus < cpus) { - error_report("maxcpus must be equal to or greater than smp"); - exit(1); + error_setg(errp, "maxcpus must be equal to or greater than smp"); + return; } =20 if (sockets * cores * threads !=3D ms->smp.max_cpus) { - error_report("Invalid CPU topology: " - "sockets (%u) * cores (%u) * threads (%u) " - "!=3D maxcpus (%u)", - sockets, cores, threads, - ms->smp.max_cpus); - exit(1); + error_setg(errp, "Invalid CPU topology: " + "sockets (%u) * cores (%u) * threads (%u) " + "!=3D maxcpus (%u)", + sockets, cores, threads, + ms->smp.max_cpus); + return; } =20 ms->smp.cpus =3D cpus; @@ -1126,9 +1126,13 @@ MemoryRegion *machine_consume_memdev(MachineState *m= achine, bool machine_smp_parse(MachineState *ms, QemuOpts *opts, Error **errp) { MachineClass *mc =3D MACHINE_GET_CLASS(ms); + ERRP_GUARD(); =20 if (opts) { - mc->smp_parse(ms, opts); + mc->smp_parse(ms, opts, errp); + if (*errp) { + return false; + } } =20 /* sanity-check smp_cpus and max_cpus against mc */ diff --git a/hw/i386/pc.c b/hw/i386/pc.c index e206ac85f3..cce275dcb1 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -710,7 +710,7 @@ void pc_acpi_smi_interrupt(void *opaque, int irq, int l= evel) * This function is very similar to smp_parse() * in hw/core/machine.c but includes CPU die support. */ -void pc_smp_parse(MachineState *ms, QemuOpts *opts) +static void pc_smp_parse(MachineState *ms, QemuOpts *opts, Error **errp) { unsigned cpus =3D qemu_opt_get_number(opts, "cpus", 0); unsigned sockets =3D qemu_opt_get_number(opts, "sockets", 0); @@ -738,28 +738,28 @@ void pc_smp_parse(MachineState *ms, QemuOpts *opts) threads =3D cpus / (cores * dies * sockets); threads =3D threads > 0 ? threads : 1; } else if (sockets * dies * cores * threads < cpus) { - error_report("cpu topology: " - "sockets (%u) * dies (%u) * cores (%u) * threads (= %u) < " - "smp_cpus (%u)", - sockets, dies, cores, threads, cpus); - exit(1); + error_setg(errp, "cpu topology: " + "sockets (%u) * dies (%u) * cores (%u) * threads (%u) <= " + "smp_cpus (%u)", + sockets, dies, cores, threads, cpus); + return; } =20 ms->smp.max_cpus =3D qemu_opt_get_number(opts, "maxcpus", cpus); =20 if (ms->smp.max_cpus < cpus) { - error_report("maxcpus must be equal to or greater than smp"); - exit(1); + error_setg(errp, "maxcpus must be equal to or greater than smp"); + return; } =20 if (sockets * dies * cores * threads !=3D ms->smp.max_cpus) { - error_report("Invalid CPU topology deprecated: " - "sockets (%u) * dies (%u) * cores (%u) * threads (= %u) " - "!=3D maxcpus (%u)", - sockets, dies, cores, threads, - ms->smp.max_cpus); - exit(1); + error_setg(errp, "Invalid CPU topology deprecated: " + "sockets (%u) * dies (%u) * cores (%u) * threads (%u) " + "!=3D maxcpus (%u)", + sockets, dies, cores, threads, + ms->smp.max_cpus); + return; } =20 ms->smp.cpus =3D cpus; diff --git a/include/hw/boards.h b/include/hw/boards.h index 87ae5cc300..0483d6af86 100644 --- a/include/hw/boards.h +++ b/include/hw/boards.h @@ -210,7 +210,7 @@ struct MachineClass { void (*reset)(MachineState *state); void (*wakeup)(MachineState *state); int (*kvm_type)(MachineState *machine, const char *arg); - void (*smp_parse)(MachineState *ms, QemuOpts *opts); + void (*smp_parse)(MachineState *ms, QemuOpts *opts, Error **errp); =20 BlockInterfaceType block_default_type; int units_per_default_bus; diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index 4c2ca6d36a..87294f2632 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -138,8 +138,6 @@ extern int fd_bootchk; =20 void pc_acpi_smi_interrupt(void *opaque, int irq, int level); =20 -void pc_smp_parse(MachineState *ms, QemuOpts *opts); - void pc_guest_info_init(PCMachineState *pcms); =20 #define PCI_HOST_PROP_PCI_HOLE_START "pci-hole-start" --=20 2.31.1