[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v6 09/18] tools/libxl: introduce libxl__domain_common_switch_qemu_logdirty()
On Tue, Jan 26, 2016 at 03:04:39PM +0800, Wen Congyang wrote: > On 01/26/2016 02:59 AM, Konrad Rzeszutek Wilk wrote: > > On Wed, Dec 30, 2015 at 10:28:59AM +0800, Wen Congyang wrote: > >> Secondary vm is running in colo mode, we need to send > >> secondary vm's dirty page information to master at checkpoint, > > > > In previous patch you called it primary, so perhaps: > > s/master/primary/ ? > > > >> 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 > > > > s/domain_save_state/libxl__domain_save_state/ > >> 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. > > > > One question - that perhaps had been part of the review earlier > > (if so it may be good to include this in the description > > so I don't ask silly questions): > > > > Why add this extra API? You could squash > > libxl__domain_suspend_common_switch_qemu_logdirty > > and libxl__domain_common_switch_qemu_logdirty code together > > and call it libxl_domain_common_and_suspend_common_switch_qemu_logdirty > > (ok, just kidding on the name). But - why not have one function > > instead of splitting the functionality in two? > > Do you mean that auto switch qemu logdirty when suspend the guest? Squash the two functions - libxl__domain_common_switch_qemu_logdirty and libxl__domain_suspend_common_switch_qemu_logdirty together? _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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