qemu-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Qemu-devel] MTTCG sync-up call today?


From: Alex Bennée
Subject: Re: [Qemu-devel] MTTCG sync-up call today?
Date: Tue, 12 Jan 2016 17:05:35 +0000
User-agent: mu4e 0.9.15; emacs 25.0.50.1

Paolo Bonzini <address@hidden> writes:

> On 12/01/2016 17:32, Alex Bennée wrote:
>>> I need to look at the branch...  The latest version I have here does
>>> not require tb_lock taken in tb_invalidate_phys_range.
>>
>> The tb_locks asserts where added in Fred's branch which makes sense as
>> we are going to mess with the translation block cache. Looking more
>> closely at tb_invalidate_phys_page_range I see it jumps through some
>> hoops when cpu == current_cpu == NULL.
>
> Does tb_invalidate_phys_page_range not take tb_lock itself?

You are right, I missed that when looking at the original code. I think
Fred was trying to push some of the locks up in his WIP branch causing
these problems.

I'll wait until his more complete branch is out.

>
> Paolo


--
Alex Bennée



reply via email to

[Prev in Thread] Current Thread [Next in Thread]