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Re: [Xen-devel] [PATCH] x86/p2m: constify p2m_mem_access_sanity_check()


  • To: Jan Beulich <JBeulich@xxxxxxxx>
  • From: George Dunlap <george.dunlap@xxxxxxxxxx>
  • Date: Wed, 21 Nov 2018 11:52:57 +0000
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  • Cc: Tamas K Lengyel <tamas@xxxxxxxxxxxxx>, Wei Liu <wei.liu2@xxxxxxxxxx>, Razvan Cojocaru <rcojocaru@xxxxxxxxxxxxxxx>, George Dunlap <George.Dunlap@xxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Roger Pau Monne <roger.pau@xxxxxxxxxx>
  • Delivery-date: Wed, 21 Nov 2018 11:53:29 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
  • Openpgp: preference=signencrypt

On 11/21/18 11:41 AM, Jan Beulich wrote:
>>>> On 21.11.18 at 12:03, <george.dunlap@xxxxxxxxxx> wrote:
>> On 11/21/18 11:01 AM, Razvan Cojocaru wrote:
>>> Signed-off-by: Razvan Cojocaru <rcojocaru@xxxxxxxxxxxxxxx>
>>
>> Why?
> 
> Are you asking in general (I think it's obvious), or merely because
> the commit description is empty?

I didn't see that you had suggested it as a trivial improvement.

I agree it's a minor improvement, but normally such improvements don't
come in out of the blue: they're done in order to achieve some goal (for
example, to allow this function to be called from another function that
only has a const pointer).  Recording the motivation is important; I'd
argue that recording the lack of motivation is important as well (so
that people don't go looking for one that isn't there).

 -George

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