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Re: [Qemu-devel] [PATCH v2 7/7] apic: qdev conversion cleanup
From: |
Markus Armbruster |
Subject: |
Re: [Qemu-devel] [PATCH v2 7/7] apic: qdev conversion cleanup |
Date: |
Tue, 15 Jun 2010 10:17:57 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux) |
Blue Swirl <address@hidden> writes:
> On Mon, Jun 14, 2010 at 9:36 AM, Markus Armbruster <address@hidden> wrote:
>> Blue Swirl <address@hidden> writes:
>>
>>> Make APICState completely private to apic.c by using DeviceState
>>> in external APIs.
>>
>> Could you explain why this is an improvement?
>
> Outside of apic.c, there is no need to access APICState fields so we
> can remove that privilege. We can move the device instantiation to the
> board level where it belongs.
Moving the definition of struct APICState into apic.c is a clear win.
But what does widening argument types from APICState to DeviceState
accomplish? The compiler won't be able to catch certain stupid type
errors anymore; what do we gain for that loss?