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Re: Resetting non-qdev children in a 3-phase reset device


From: Peter Maydell
Subject: Re: Resetting non-qdev children in a 3-phase reset device
Date: Sun, 25 Apr 2021 19:33:25 +0100

On Sat, 24 Apr 2021 at 14:04, Philippe Mathieu-Daudé <f4bug@amsat.org> wrote:
> I now understand better the diag288 case, but I still don't understand
> the TYPE_APIC one. It has no DeviceClass::reset(), its abstract parent
> TYPE_APIC_COMMON register apic_reset_common() but being TYPE_DEVICE it
> is not on a qbus. It is somehow connected to the X86CPU object, but the
> single call to apic_init_reset() is from do_cpu_init() - not a reset
> method -.

pc_machine_reset() calls device_legacy_reset(cpu->apic_state)
which is to say it invokes the DeviceState::reset method,
which is either kvm_apic_reset or apic_reset_common.

thanks
-- PMM



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