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Re: [Qemu-devel] [PATCH 2/6] exec.c: remove an unnecessary assert on PHY


From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH 2/6] exec.c: remove an unnecessary assert on PHYS_MAP_NODE_NIL in phys_map_node_alloc()
Date: Mon, 16 Sep 2019 09:50:10 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0

On 16/09/19 04:02, Wei Yang wrote:
> On Fri, Sep 13, 2019 at 11:12:05AM +0200, Paolo Bonzini wrote:
>> On 13/09/19 01:02, Wei Yang wrote:
>>> It shows PHYS_MAP_NODE_NIL may represents more node the tree could hold.
>>
>> Which is good, it means the assert can trigger.
>>
> 
> Per my understanding, it means the assert can't trigger.

You're right, sorry.  That's what I meant.

Paolo

>>> The assert here is not harmful, while maybe we can have a better way to 
>>> handle
>>> it?
>>
>> I don't know... The assert just says "careful, someone treats
>> PHYS_MAP_NODE_NIL specially!".  It's documentation too.
>>
>> Paolo
> 




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