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From: Liu Ping Fan <pingfank@linux.vnet.ibm.com>
To: qemu-devel@nongnu.org
Cc: Peter Maydell <peter.maydell@linaro.org>,
	Stefan Hajnoczi <stefanha@gmail.com>,
	Marcelo Tosatti <mtosatti@redhat.com>,
	Avi Kivity <avi@redhat.com>,
	Anthony Liguori <anthony@codemonkey.ws>,
	Jan Kiszka <jan.kiszka@siemens.com>,
	Paolo Bonzini <pbonzini@redhat.com>
Subject: [Qemu-devel] [patch v5 8/8] vcpu: push mmio dispatcher out of big lock
Date: Mon, 29 Oct 2012 07:48:47 +0800	[thread overview]
Message-ID: <1351468127-15025-9-git-send-email-pingfank@linux.vnet.ibm.com> (raw)
In-Reply-To: <1351468127-15025-1-git-send-email-pingfank@linux.vnet.ibm.com>

Signed-off-by: Liu Ping Fan <pingfank@linux.vnet.ibm.com>
---
 kvm-all.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/kvm-all.c b/kvm-all.c
index c2c6909..e92e43c 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -1573,10 +1573,14 @@ int kvm_cpu_exec(CPUArchState *env)
             break;
         case KVM_EXIT_MMIO:
             DPRINTF("handle_mmio\n");
+            qemu_mutex_unlock_iothread();
+            qemu_thread_set_dispatch_type(DISPATCH_MMIO);
             cpu_physical_memory_rw(run->mmio.phys_addr,
                                    run->mmio.data,
                                    run->mmio.len,
                                    run->mmio.is_write);
+            qemu_thread_reset_dispatch_type();
+            qemu_mutex_lock_iothread();
             ret = 0;
             break;
         case KVM_EXIT_IRQ_WINDOW_OPEN:
-- 
1.7.4.4

      parent reply	other threads:[~2012-10-28 23:49 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-28 23:48 [Qemu-devel] [patch v5 0/8] push mmio dispatch out of big lock Liu Ping Fan
2012-10-28 23:48 ` [Qemu-devel] [patch v5 1/8] atomic: introduce atomic operations Liu Ping Fan
2012-10-28 23:48 ` [Qemu-devel] [patch v5 2/8] qom: apply atomic on object's refcount Liu Ping Fan
2012-10-28 23:48 ` [Qemu-devel] [patch v5 3/8] hotplug: introduce qdev_unplug_complete() to remove device from views Liu Ping Fan
2012-10-28 23:48 ` [Qemu-devel] [patch v5 4/8] pci: remove pci device from mem view when unplug Liu Ping Fan
2012-10-28 23:48 ` [Qemu-devel] [patch v5 5/8] memory: introduce local lock for address space Liu Ping Fan
2012-10-29  7:42   ` Peter Maydell
2012-10-29  8:41     ` liu ping fan
2012-10-29  9:32   ` Avi Kivity
2012-10-29  9:46     ` liu ping fan
2012-11-01 15:45       ` Avi Kivity
2012-11-01 18:44         ` Jan Kiszka
2012-11-02  0:52           ` liu ping fan
2012-11-02  8:00             ` Jan Kiszka
2012-11-05 12:36               ` Avi Kivity
2012-10-28 23:48 ` [Qemu-devel] [patch v5 6/8] memory: make mmio dispatch able to be out of biglock Liu Ping Fan
2012-10-29  9:41   ` Avi Kivity
2012-10-30  7:06     ` liu ping fan
2012-11-01  2:04       ` liu ping fan
2012-11-01 15:46       ` Avi Kivity
2012-10-28 23:48 ` [Qemu-devel] [patch v5 7/8] memory: introduce tls context to record nested dma Liu Ping Fan
2012-10-29  8:51   ` Paolo Bonzini
2012-11-05  5:35     ` liu ping fan
2012-11-02 10:39   ` Jan Kiszka
2012-11-05  5:35     ` liu ping fan
2012-10-28 23:48 ` Liu Ping Fan [this message]

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