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Re: [Qemu-devel] [PATCH v3 2/7] memory: Flush coalesced MMIO on selected


From: Jan Kiszka
Subject: Re: [Qemu-devel] [PATCH v3 2/7] memory: Flush coalesced MMIO on selected region access
Date: Fri, 17 Aug 2012 12:55:30 +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 2012-07-10 12:41, Jan Kiszka wrote:
> On 2012-07-02 11:07, Avi Kivity wrote:
>> On 06/29/2012 07:37 PM, Jan Kiszka wrote:
>>> Instead of flushing pending coalesced MMIO requests on every vmexit,
>>> this provides a mechanism to selectively flush when memory regions
>>> related to the coalesced one are accessed. This first of all includes
>>> the coalesced region itself but can also applied to other regions, e.g.
>>> of the same device, by calling memory_region_set_flush_coalesced.
>>
>> Looks fine.
>>
>> I have a hard time deciding whether this should go through the kvm tree
>> or memory tree.  Anthony, perhaps you can commit it directly to avoid
>> the livelock?
>>
>> Reviewed-by: Avi Kivity <address@hidden>
>>
> 
> Anthony, ping?

Argh, missed that this series was forgotten. Patch 1 is a bug fix, will
resend it separately so that it can make it into 1.2. Will repost the
rest once master reopens.

Jan

-- 
Siemens AG, Corporate Technology, CT RTC ITP SDP-DE
Corporate Competence Center Embedded Linux



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