Re: [PATCH v7 08/12] ARM: KVM: World-switch implementation

Mon, 14 May 2012 11:08:23 -0700 

On Thu, Mar 29, 2012 at 6:49 AM, Avi Kivity <[email protected]> wrote:
> On 03/28/2012 11:57 PM, Rusty Russell wrote:
>> > >
>> > > Should this code be dropped altogether?  Peter points out that once we
>> > > add new regs, they *must* be initialized to correct reset values in case
>> > > older QEMU knows nothing about them, but for the rest it just seems
>> > > confusing...
>> > >
>> >
>> > It's best to initialize everything.  As far as this code is concerned
>> > qemu is just another user and we shouldn't rely on its implementation.
>>
>> In which case, qemu should not initialize anything, but read the
>> registers from the kernel to start with.
>
> qemu has its own set of considerations.  For example, it needs to
> initialize registers in tcg mode.  But that's another discussion.
>
sorry about the late response on this one. This code should be changed
to initialize to reset values for all the registers. Thanks.
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