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Re: [Qemu-devel] [PATCH v7 0/7] push mmio dispatch out of big lock
From: |
Jan Kiszka |
Subject: |
Re: [Qemu-devel] [PATCH v7 0/7] push mmio dispatch out of big lock |
Date: |
Thu, 02 May 2013 19:14:54 +0200 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 |
On 2013-05-02 18:58, Jan Kiszka wrote:
> Hi Pingfan,
>
> On 2012-12-06 08:28, liu ping fan wrote:
>> Any suggestion? Or new design idea for this?
>
> Finally... I'm getting back to this. I'm currently trying to make use of
> this series, adapting it to my needs (selective BQL-free dispatching of
> PIO regions).
>
> Is there a newer version available on your side? This one obviously no
> longer applies due to all the code movements in QEMU. But it also seems
> to contain some bugs, at least in patch 5 (mixed up page number vs. page
> address around for address_space_section_lookup_ref).
Oh, and the series isn't bisectable between 5 and 7.
Jan
>
> Then we should get rid of the ref/unref callbacks. Making a memory
> region BQL-free must be as simple as setting a flag or (more likely)
> adding a reference to the owning QOM object in the region.
> Reimplementing ref/unref in device models over and over again is clearly
> a no-go. Maybe I'm currently forgetting a use case where overloading the
> reference functions is needed, so please help my memory in that case.
>
> Jan
>
--
Siemens AG, Corporate Technology, CT RTC ITP SDP-DE
Corporate Competence Center Embedded Linux
- Re: [Qemu-devel] [PATCH v7 0/7] push mmio dispatch out of big lock, Jan Kiszka, 2013/05/02
- Re: [Qemu-devel] [PATCH v7 0/7] push mmio dispatch out of big lock,
Jan Kiszka <=
- Re: [Qemu-devel] [PATCH v7 0/7] push mmio dispatch out of big lock, liu ping fan, 2013/05/03
- Re: [Qemu-devel] [PATCH v7 0/7] push mmio dispatch out of big lock, Jan Kiszka, 2013/05/03
- Re: [Qemu-devel] [PATCH v7 0/7] push mmio dispatch out of big lock, Paolo Bonzini, 2013/05/04
- Re: [Qemu-devel] [PATCH v7 0/7] push mmio dispatch out of big lock, Jan Kiszka, 2013/05/04
- Re: [Qemu-devel] [PATCH v7 0/7] push mmio dispatch out of big lock, Paolo Bonzini, 2013/05/06
- Re: [Qemu-devel] [PATCH v7 0/7] push mmio dispatch out of big lock, Jan Kiszka, 2013/05/06
- Re: [Qemu-devel] [PATCH v7 0/7] push mmio dispatch out of big lock, Paolo Bonzini, 2013/05/06
- Re: [Qemu-devel] [PATCH v7 0/7] push mmio dispatch out of big lock, Jan Kiszka, 2013/05/06
- Re: [Qemu-devel] [PATCH v7 0/7] push mmio dispatch out of big lock, Paolo Bonzini, 2013/05/06
- Re: [Qemu-devel] [PATCH v7 0/7] push mmio dispatch out of big lock, Jan Kiszka, 2013/05/06