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Re: [PATCH v5 00/13] Multi-phase reset mechanism

From: Peter Maydell
Subject: Re: [PATCH v5 00/13] Multi-phase reset mechanism
Date: Fri, 29 Nov 2019 19:07:02 +0000

On Fri, 18 Oct 2019 at 16:07, Damien Hedde <address@hidden> wrote:
> Hi all,
> The purpose of this series is to split the current reset procedure
> into multiple phases. This will help to solve some ordering
> difficulties we have during reset. Previous version can be found here:
> https://lists.gnu.org/archive/html/qemu-devel/2019-08/msg04359.html
> This series adds resettable interface and transitions base Device and
> Bus classes (sysbus subclasses are ok too). It provides new reset
> functions but does not switch anymore the old functions
> (device_reset() and qdev/qbus_reset_all()) to resettable interface.
> These functions keep the exact same behavior as before.
> The series also transition the main reset handlers registration which
> has no impact until devices and buses are transitioned.
> I think this version is way better regarding the transition from the
> legacy to the resettable interface than the previous one.
> After this series, the plan is then to transition devices, buses and
> legacy reset call sites. Devices and buses have to be transitioned
> from mother class to daughter classes order but until the final
> (daughter) class is transitioned, old monolitic reset behavior will
> be kept for this class.

Hi; I finally got back to reviewing this patchset, and I've
left comments on various patches (minor stuff only). I didn't
bother to comment on a few patches that I was happy with and
somebody else had already reviewed.

-- PMM

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