Re: [Xen-devel] [PATCH v2 COLOPre 08/13] tools/libxl: introduce libxl__domain_common_switch_qemu_logdirty()

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Mon, 2015-06-08 at 11:43 +0800, Yang Hongyang wrote:
> Secondary vm is running in colo mode, we need to send
> secondary vm's dirty page information to master at checkpoint,
> so we have to enable qemu logdirty on secondary.
> 
> libxl__domain_suspend_common_switch_qemu_logdirty() is to enable
> qemu logdirty. But it uses domain_save_state, and calls
> libxl__xc_domain_saverestore_async_callback_done()
> before exits. This can not be used for secondary vm.
> 
> Update libxl__domain_suspend_common_switch_qemu_logdirty() to
> introduce a new API libxl__domain_common_switch_qemu_logdirty().
> This API only uses libxl__logdirty_switch, and calls
> lds->callback before exits.
> 
> Signed-off-by: Yang Hongyang <yanghy@xxxxxxxxxxxxxx>
> Signed-off-by: Wen Congyang <wency@xxxxxxxxxxxxxx>

Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>



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