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Re: [Qemu-devel] [patch v4 11/16] vcpu: push mmio dispatcher out of big
From: |
Avi Kivity |
Subject: |
Re: [Qemu-devel] [patch v4 11/16] vcpu: push mmio dispatcher out of big lock |
Date: |
Mon, 22 Oct 2012 12:31:53 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120911 Thunderbird/15.0.1 |
On 10/22/2012 11:23 AM, Liu Ping Fan wrote:
> Signed-off-by: Liu Ping Fan <address@hidden>
> ---
> kvm-all.c | 3 +++
> 1 files changed, 3 insertions(+), 0 deletions(-)
>
> diff --git a/kvm-all.c b/kvm-all.c
> index b3fa597..3d7ae18 100644
> --- a/kvm-all.c
> +++ b/kvm-all.c
> @@ -1562,12 +1562,15 @@ int kvm_cpu_exec(CPUArchState *env)
> break;
> case KVM_EXIT_MMIO:
> DPRINTF("handle_mmio\n");
> + qemu_mutex_unlock_iothread();
> set_context_type(1);
> cpu_physical_memory_rw(run->mmio.phys_addr,
> run->mmio.data,
> run->mmio.len,
> run->mmio.is_write);
> set_context_type(0);
> + qemu_mutex_lock_iothread();
> +
> ret = 0;
> break;
> case KVM_EXIT_IRQ_WINDOW_OPEN:
>
This is fine for now, but of course later we'll have to remove the lock
completely and apply it for the other exits (and other processing, when
needed).
--
error compiling committee.c: too many arguments to function
- Re: [Qemu-devel] [patch v4 13/16] e1000: add busy flag to anti broken device state, (continued)
- Re: [Qemu-devel] [patch v4 13/16] e1000: add busy flag to anti broken device state, liu ping fan, 2012/10/23
- Re: [Qemu-devel] [patch v4 13/16] e1000: add busy flag to anti broken device state, Avi Kivity, 2012/10/23
- Re: [Qemu-devel] [patch v4 13/16] e1000: add busy flag to anti broken device state, Jan Kiszka, 2012/10/23
- Re: [Qemu-devel] [patch v4 13/16] e1000: add busy flag to anti broken device state, liu ping fan, 2012/10/23
- Re: [Qemu-devel] [patch v4 13/16] e1000: add busy flag to anti broken device state, Avi Kivity, 2012/10/23
- Re: [Qemu-devel] [patch v4 13/16] e1000: add busy flag to anti broken device state, liu ping fan, 2012/10/24
- Re: [Qemu-devel] [patch v4 13/16] e1000: add busy flag to anti broken device state, Avi Kivity, 2012/10/25
- Re: [Qemu-devel] [patch v4 13/16] e1000: add busy flag to anti broken device state, Peter Maydell, 2012/10/25
- Re: [Qemu-devel] [patch v4 13/16] e1000: add busy flag to anti broken device state, Avi Kivity, 2012/10/25
[Qemu-devel] [patch v4 11/16] vcpu: push mmio dispatcher out of big lock, Liu Ping Fan, 2012/10/22
- Re: [Qemu-devel] [patch v4 11/16] vcpu: push mmio dispatcher out of big lock,
Avi Kivity <=
[Qemu-devel] [patch v4 15/16] e1000: introduce unmap() to fix unplug issue, Liu Ping Fan, 2012/10/22
[Qemu-devel] [patch v4 02/16] qom: apply atomic on object's refcount, Liu Ping Fan, 2012/10/22
[Qemu-devel] [patch v4 16/16] e1000: implement MemoryRegionOps's ref&lock interface, Liu Ping Fan, 2012/10/22
Re: [Qemu-devel] [patch v4 00/16] push mmio dispatch out of big lock, Peter Maydell, 2012/10/25