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From: "Michael S. Tsirkin" <mst@redhat.com>
To: Anthony Liguori <anthony@codemonkey.ws>
Cc: Blue Swirl <blauwirbel@gmail.com>, qemu-devel@nongnu.org
Subject: [Qemu-devel] Re: comments on: get page size in device init
Date: Wed, 23 Sep 2009 21:40:41 +0300	[thread overview]
Message-ID: <20090923184041.GA18947@redhat.com> (raw)
In-Reply-To: <4ABA62D0.2060205@codemonkey.ws>

On Wed, Sep 23, 2009 at 01:02:56PM -0500, Anthony Liguori wrote:
> Blue Swirl wrote:
>> On Wed, Sep 23, 2009 at 3:58 PM, Michael S. Tsirkin <mst@redhat.com> wrote:
>>   
>>>>     Compile msix only once
>>>>
>>>>     Get page size in device init.
>>>>
>>>>     Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
>>>>       
>>> What was the motivation for the page size change?
>>>     
>>
>> "Compile msix only once"
>>
>>   
>>> It seems the only user passes TARGET_PAGE_SIZE anyway,
>>> using a constant seems clearer and probably generates
>>> less code. No?
>>>     
>>
>> Yes, but then the code would depend on TARGET_PAGE_SIZE, making it
>> impossible to compile the code only once.
>>   
>
> We could probably get away with doing
>
> #define TARGET_PAGE_SIZE target_get_page_size()
>
> And take care of a big chunk of this without passing page size  
> parameters around.


Sounds good.

> Regards,
>
> Anthony Liguori

  reply	other threads:[~2009-09-23 18:42 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-09-23 12:58 [Qemu-devel] comments on: get page size in device init Michael S. Tsirkin
2009-09-23 17:07 ` [Qemu-devel] " Blue Swirl
2009-09-23 18:02   ` Anthony Liguori
2009-09-23 18:40     ` Michael S. Tsirkin [this message]
2009-09-23 19:03       ` Blue Swirl
2009-09-23 19:13         ` Michael S. Tsirkin
2009-09-23 19:59           ` Blue Swirl
2009-09-23 19:19         ` Michael S. Tsirkin
2009-09-23 20:35         ` Anthony Liguori

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