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Thu, 17 Jun 2021 08:53:16 -0700 (PDT) Received: from avogadro.lan ([2001:b07:6468:f312:c8dd:75d4:99ab:290a]) by smtp.gmail.com with ESMTPSA id p13sm4604061edh.79.2021.06.17.08.53.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Jun 2021 08:53:16 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PATCH v2 08/11] machine: add error propagation to mc->smp_parse Date: Thu, 17 Jun 2021 17:53:05 +0200 Message-Id: <20210617155308.928754-9-pbonzini@redhat.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210617155308.928754-1-pbonzini@redhat.com> References: <20210617155308.928754-1-pbonzini@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::52a; envelope-from=paolo.bonzini@gmail.com; helo=mail-ed1-x52a.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=0.249, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, 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?= , armbru@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Clean up the smp_parse functions to use Error** instead of exiting. Reviewed-by: Daniel P. Berrangé 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, } } -static void smp_parse(MachineState *ms, QemuOpts *opts) +static void smp_parse(MachineState *ms, QemuOpts *opts, Error **errp) { unsigned cpus = qemu_opt_get_number(opts, "cpus", 0); unsigned sockets = qemu_opt_get_number(opts, "sockets", 0); @@ -766,28 +766,28 @@ static void smp_parse(MachineState *ms, QemuOpts *opts) threads = cpus / (cores * sockets); threads = 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; } ms->smp.max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus); 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; } if (sockets * cores * threads != ms->smp.max_cpus) { - error_report("Invalid CPU topology: " - "sockets (%u) * cores (%u) * threads (%u) " - "!= maxcpus (%u)", - sockets, cores, threads, - ms->smp.max_cpus); - exit(1); + error_setg(errp, "Invalid CPU topology: " + "sockets (%u) * cores (%u) * threads (%u) " + "!= maxcpus (%u)", + sockets, cores, threads, + ms->smp.max_cpus); + return; } ms->smp.cpus = cpus; @@ -1126,9 +1126,13 @@ MemoryRegion *machine_consume_memdev(MachineState *machine, bool machine_smp_parse(MachineState *ms, QemuOpts *opts, Error **errp) { MachineClass *mc = MACHINE_GET_CLASS(ms); + ERRP_GUARD(); if (opts) { - mc->smp_parse(ms, opts); + mc->smp_parse(ms, opts, errp); + if (*errp) { + return false; + } } /* 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 level) * 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 = qemu_opt_get_number(opts, "cpus", 0); unsigned sockets = qemu_opt_get_number(opts, "sockets", 0); @@ -738,28 +738,28 @@ void pc_smp_parse(MachineState *ms, QemuOpts *opts) threads = cpus / (cores * dies * sockets); threads = 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; } ms->smp.max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus); 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; } if (sockets * dies * cores * threads != ms->smp.max_cpus) { - error_report("Invalid CPU topology deprecated: " - "sockets (%u) * dies (%u) * cores (%u) * threads (%u) " - "!= 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) " + "!= maxcpus (%u)", + sockets, dies, cores, threads, + ms->smp.max_cpus); + return; } ms->smp.cpus = 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); 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; void pc_acpi_smi_interrupt(void *opaque, int irq, int level); -void pc_smp_parse(MachineState *ms, QemuOpts *opts); - void pc_guest_info_init(PCMachineState *pcms); #define PCI_HOST_PROP_PCI_HOLE_START "pci-hole-start" -- 2.31.1