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Re: [Qemu-devel] [RFC 2/4] Added flag in ARMCPU to track last execution
From: |
Peter Maydell |
Subject: |
Re: [Qemu-devel] [RFC 2/4] Added flag in ARMCPU to track last execution mode |
Date: |
Tue, 25 Feb 2014 18:19:20 +0000 |
On 25 February 2014 16:52, Alvise Rigo <address@hidden> wrote:
> The value of this flag indicates the execution mode of the CPU prior the
> migration. It is used to handle the KVM <-> TCG migration.
>
> Signed-off-by: Alvise Rigo <address@hidden>
> ---
> target-arm/cpu-qom.h | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/target-arm/cpu-qom.h b/target-arm/cpu-qom.h
> index afbd422..6819bfc 100644
> --- a/target-arm/cpu-qom.h
> +++ b/target-arm/cpu-qom.h
> @@ -102,6 +102,9 @@ typedef struct ARMCPU {
> */
> uint32_t kvm_target;
>
> + /* true if this cpu is using KVM. Read and set in cpu_pre/post_load */
> + bool running_kvm;
This is definitely wrong. We should not care whether either
end of the migration connection is using KVM.
thanks
-- PMM
[Qemu-devel] [RFC 4/4] Relevant changes to enable KVM to TCG migration, Alvise Rigo, 2014/02/25