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That's all we know. 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=0.248, 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: Richard Henderson , Claudio Fontana Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Claudio Fontana now that all accelerators support the CpusAccel interface, we can remove most checks for non-NULL cpus_accel, we just add a sanity check/assert at vcpu creation. Signed-off-by: Claudio Fontana Reviewed-by: Richard Henderson Signed-off-by: Paolo Bonzini --- softmmu/cpus.c | 33 +++++++++++++++++++++------------ 1 file changed, 21 insertions(+), 12 deletions(-) diff --git a/softmmu/cpus.c b/softmmu/cpus.c index 1180103ede..99f418437b 100644 --- a/softmmu/cpus.c +++ b/softmmu/cpus.c @@ -166,34 +166,46 @@ void cpu_synchronize_all_pre_loadvm(void) void cpu_synchronize_state(CPUState *cpu) { - if (cpus_accel && cpus_accel->synchronize_state) { + if (cpus_accel->synchronize_state) { cpus_accel->synchronize_state(cpu); } } void cpu_synchronize_post_reset(CPUState *cpu) { - if (cpus_accel && cpus_accel->synchronize_post_reset) { + if (cpus_accel->synchronize_post_reset) { cpus_accel->synchronize_post_reset(cpu); } } void cpu_synchronize_post_init(CPUState *cpu) { - if (cpus_accel && cpus_accel->synchronize_post_init) { + if (cpus_accel->synchronize_post_init) { cpus_accel->synchronize_post_init(cpu); } } void cpu_synchronize_pre_loadvm(CPUState *cpu) { - if (cpus_accel && cpus_accel->synchronize_pre_loadvm) { + if (cpus_accel->synchronize_pre_loadvm) { cpus_accel->synchronize_pre_loadvm(cpu); } } int64_t cpus_get_virtual_clock(void) { + /* + * XXX + * + * need to check that cpus_accel is not NULL, because qcow2 calls + * qemu_get_clock_ns(CLOCK_VIRTUAL) without any accel initialized and + * with ticks disabled in some io-tests: + * 030 040 041 060 099 120 127 140 156 161 172 181 191 192 195 203 229 249 256 267 + * + * is this expected? + * + * XXX + */ if (cpus_accel && cpus_accel->get_virtual_clock) { return cpus_accel->get_virtual_clock(); } @@ -207,7 +219,7 @@ int64_t cpus_get_virtual_clock(void) */ int64_t cpus_get_elapsed_ticks(void) { - if (cpus_accel && cpus_accel->get_elapsed_ticks) { + if (cpus_accel->get_elapsed_ticks) { return cpus_accel->get_elapsed_ticks(); } return cpu_get_ticks(); @@ -399,7 +411,7 @@ void cpus_kick_thread(CPUState *cpu) void qemu_cpu_kick(CPUState *cpu) { qemu_cond_broadcast(cpu->halt_cond); - if (cpus_accel && cpus_accel->kick_vcpu_thread) { + if (cpus_accel->kick_vcpu_thread) { cpus_accel->kick_vcpu_thread(cpu); } else { /* default */ cpus_kick_thread(cpu); @@ -573,12 +585,9 @@ void qemu_init_vcpu(CPUState *cpu) cpu_address_space_init(cpu, 0, "cpu-memory", cpu->memory); } - if (cpus_accel) { - /* accelerator already implements the CpusAccel interface */ - cpus_accel->create_vcpu_thread(cpu); - } else { - g_assert_not_reached(); - } + /* accelerators all implement the CpusAccel interface */ + g_assert(cpus_accel != NULL && cpus_accel->create_vcpu_thread != NULL); + cpus_accel->create_vcpu_thread(cpu); while (!cpu->created) { qemu_cond_wait(&qemu_cpu_cond, &qemu_global_mutex); -- 2.26.2