From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45869) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XXWfO-0004Ry-E7 for qemu-devel@nongnu.org; Fri, 26 Sep 2014 10:38:44 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XXWfH-0001iS-TG for qemu-devel@nongnu.org; Fri, 26 Sep 2014 10:38:38 -0400 Sender: Paolo Bonzini From: Paolo Bonzini Date: Fri, 26 Sep 2014 16:38:01 +0200 Message-Id: <1411742290-2940-3-git-send-email-pbonzini@redhat.com> In-Reply-To: <1411742290-2940-1-git-send-email-pbonzini@redhat.com> References: <1411742290-2940-1-git-send-email-pbonzini@redhat.com> Subject: [Qemu-devel] [PULL 02/11] Introduce cpu_clean_all_dirty List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Marcelo Tosatti , qemu-stable@nongnu.org From: Marcelo Tosatti Introduce cpu_clean_all_dirty, to force subsequent cpu_synchronize_all_states to read in-kernel register state. Cc: qemu-stable@nongnu.org Signed-off-by: Marcelo Tosatti Signed-off-by: Paolo Bonzini --- cpus.c | 9 +++++++++ include/sysemu/cpus.h | 1 + include/sysemu/kvm.h | 8 ++++++++ kvm-all.c | 5 +++++ 4 files changed, 23 insertions(+) diff --git a/cpus.c b/cpus.c index 2a0e133..0c33458 100644 --- a/cpus.c +++ b/cpus.c @@ -593,6 +593,15 @@ void cpu_synchronize_all_post_init(void) } } +void cpu_clean_all_dirty(void) +{ + CPUState *cpu; + + CPU_FOREACH(cpu) { + cpu_clean_state(cpu); + } +} + static int do_vm_stop(RunState state) { int ret = 0; diff --git a/include/sysemu/cpus.h b/include/sysemu/cpus.h index 4f79081..3f162a9 100644 --- a/include/sysemu/cpus.h +++ b/include/sysemu/cpus.h @@ -10,6 +10,7 @@ void cpu_stop_current(void); void cpu_synchronize_all_states(void); void cpu_synchronize_all_post_reset(void); void cpu_synchronize_all_post_init(void); +void cpu_clean_all_dirty(void); void qtest_clock_warp(int64_t dest); diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h index d2000af..77ee240 100644 --- a/include/sysemu/kvm.h +++ b/include/sysemu/kvm.h @@ -350,6 +350,7 @@ int kvm_physical_memory_addr_from_host(KVMState *s, void *ram_addr, void kvm_cpu_synchronize_state(CPUState *cpu); void kvm_cpu_synchronize_post_reset(CPUState *cpu); void kvm_cpu_synchronize_post_init(CPUState *cpu); +void kvm_cpu_clean_state(CPUState *cpu); /* generic hooks - to be moved/refactored once there are more users */ @@ -374,6 +375,13 @@ static inline void cpu_synchronize_post_init(CPUState *cpu) } } +static inline void cpu_clean_state(CPUState *cpu) +{ + if (kvm_enabled()) { + kvm_cpu_clean_state(cpu); + } +} + int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg); int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg); void kvm_irqchip_release_virq(KVMState *s, int virq); diff --git a/kvm-all.c b/kvm-all.c index 8b9e66d..6c6586f 100644 --- a/kvm-all.c +++ b/kvm-all.c @@ -1708,6 +1708,11 @@ void kvm_cpu_synchronize_post_init(CPUState *cpu) run_on_cpu(cpu, do_kvm_cpu_synchronize_post_init, cpu); } +void kvm_cpu_clean_state(CPUState *cpu) +{ + cpu->kvm_vcpu_dirty = false; +} + int kvm_cpu_exec(CPUState *cpu) { struct kvm_run *run = cpu->kvm_run; -- 2.1.0