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From: Jan Kiszka <jan.kiszka@web.de>
To: Gleb Natapov <gleb@redhat.com>
Cc: Anthony Liguori <aliguori@us.ibm.com>,
	kvm@vger.kernel.org, Glauber Costa <glommer@redhat.com>,
	Marcelo Tosatti <mtosatti@redhat.com>,
	Alexander Graf <agraf@suse.de>,
	qemu-devel@nongnu.org, Avi Kivity <avi@redhat.com>
Subject: [Qemu-devel] Re: [PATCH v2 00/21] qemu-kvm: Hook cleanups and extended use of upstream code
Date: Sun, 07 Feb 2010 12:28:49 +0100	[thread overview]
Message-ID: <4B6EA3F1.5000405@web.de> (raw)
In-Reply-To: <20100207094641.GH2471@redhat.com>

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Gleb Natapov wrote:
> On Wed, Feb 03, 2010 at 09:53:25AM +0100, Jan Kiszka wrote:
>> This version addresses the feedback on v2, namely:
>> - assert(<vm stopped> || <current thread == env->thread>) on low-level
>>   load/save registers
>> - fixed mpstate initialization
>>
> With those patched, doing "info cpus" in monitor kill the guest, which,
> unfortunately, means that reworked VCPU state writeback is still not so
> easy to use correctly.
> 

Regression of patch 12 ("qemu-kvm: Use upstream kvm_vcpu_dirty"), will
be fixed in v3.

Thanks,
Jan

---

diff --git a/qemu-kvm.c b/qemu-kvm.c
index 6a72b89..72c2ca0 100644
--- a/qemu-kvm.c
+++ b/qemu-kvm.c
@@ -1532,13 +1532,13 @@ static void do_kvm_cpu_synchronize_state(void *_env)
     CPUState *env = _env;
 
     kvm_arch_save_regs(env);
+    env->kvm_vcpu_dirty = 1;
 }
 
 void kvm_cpu_synchronize_state(CPUState *env)
 {
     if (!env->kvm_vcpu_dirty) {
         on_vcpu(env, do_kvm_cpu_synchronize_state, env);
-        env->kvm_vcpu_dirty = 1;
     }
 }
 


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  reply	other threads:[~2010-02-07 11:29 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-02-03  8:53 [Qemu-devel] [PATCH v2 00/21] qemu-kvm: Hook cleanups and extended use of upstream code Jan Kiszka
2010-02-03  8:53 ` [Qemu-devel] [PATCH v2 01/21] qemu-kvm: Drop vmport changes Jan Kiszka
2010-02-07 13:17   ` [Qemu-devel] " Avi Kivity
2010-02-07 13:54     ` Jan Kiszka
2010-02-03  8:53 ` [Qemu-devel] [PATCH v2 02/21] KVM: Make vmport KVM-compatible Jan Kiszka
2010-02-03  8:53 ` [Qemu-devel] [PATCH v2 03/21] qemu-kvm: Clean up register access API Jan Kiszka
2010-02-03  8:53 ` [Qemu-devel] [PATCH v2 04/21] KVM: x86: Fix up misreported CPU features Jan Kiszka
2010-02-03  8:53 ` [Qemu-devel] [PATCH v2 05/21] qemu-kvm: Use upstream kvm_enabled and cpu_synchronize_state Jan Kiszka
2010-02-03  8:53 ` [Qemu-devel] [PATCH v2 06/21] qemu-kvm: Use upstream kvm_setup_guest_memory Jan Kiszka
2010-02-03  8:53 ` [Qemu-devel] [PATCH v2 07/21] qemu-kvm: Use some more upstream prototypes Jan Kiszka
2010-02-03  8:53 ` [Qemu-devel] [PATCH v2 08/21] qemu-kvm: Use upstream kvm_arch_get_supported_cpuid Jan Kiszka
2010-02-03  8:53 ` [Qemu-devel] [PATCH v2 09/21] qemu-kvm: Use upstream kvm_pit_in_kernel Jan Kiszka
2010-02-03  8:53 ` [Qemu-devel] [PATCH v2 10/21] KVM: Move and rename regs_modified Jan Kiszka
2010-02-03  8:53 ` [Qemu-devel] [PATCH v2 11/21] KVM: Rework of guest debug state writing Jan Kiszka
2010-02-03  8:53 ` [Qemu-devel] [PATCH v2 12/21] qemu-kvm: Use upstream kvm_vcpu_dirty Jan Kiszka
2010-02-03  8:53 ` [Qemu-devel] [PATCH v2 13/21] qemu-kvm: Use upstream guest debug code Jan Kiszka
2010-02-03  8:53 ` [Qemu-devel] [PATCH v2 14/21] qemu-kvm: Rework VCPU state writeback API Jan Kiszka
2010-02-07 13:34   ` [Qemu-devel] " Avi Kivity
2010-02-07 13:51     ` Jan Kiszka
2010-02-07 13:58       ` Avi Kivity
2010-02-07 14:26         ` Jan Kiszka
2010-02-07 14:32           ` Avi Kivity
2010-02-03  8:53 ` [Qemu-devel] [PATCH v2 15/21] qemu-kvm: Clean up mpstate synchronization Jan Kiszka
2010-02-03  8:53 ` [Qemu-devel] [PATCH v2 16/21] KVM: x86: Restrict writeback of VCPU state Jan Kiszka
2010-02-03  8:53 ` [Qemu-devel] [PATCH v2 17/21] qemu-kvm: Use VCPU event state for reset and vmsave/load Jan Kiszka
2010-02-03  8:53 ` [Qemu-devel] [PATCH v2 18/21] qemu-kvm: Cleanup/fix TSC and PV clock writeback Jan Kiszka
2010-02-03  8:53 ` [Qemu-devel] [PATCH v2 19/21] qemu-kvm: Clean up KVM's APIC hooks Jan Kiszka
2010-02-03  8:53 ` [Qemu-devel] [PATCH v2 20/21] qemu-kvm: Move kvm_set_boot_cpu_id Jan Kiszka
2010-02-03  8:53 ` [Qemu-devel] [PATCH v2 21/21] qemu-kvm: Bring qemu_init_vcpu back home Jan Kiszka
2010-02-03 16:50 ` [Qemu-devel] Re: [PATCH v2 00/21] qemu-kvm: Hook cleanups and extended use of upstream code Marcelo Tosatti
2010-02-03 18:02   ` Jan Kiszka
2010-02-03 18:36     ` Marcelo Tosatti
2010-02-04  7:17   ` Gleb Natapov
2010-02-04  8:18     ` [Qemu-devel] Need QEMU source and documentation Taimoor Mirza
2010-02-04  9:40       ` Roy Tam
2010-02-04 14:12       ` Anthony Liguori
2010-02-07  9:46 ` [Qemu-devel] Re: [PATCH v2 00/21] qemu-kvm: Hook cleanups and extended use of upstream code Gleb Natapov
2010-02-07 11:28   ` Jan Kiszka [this message]
2010-02-07 11:51     ` Gleb Natapov

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