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Re: [Qemu-devel] [PATCH v2] TCG: Convert global variables to be TLS.


From: Evgeny Voevodin
Subject: Re: [Qemu-devel] [PATCH v2] TCG: Convert global variables to be TLS.
Date: Tue, 28 Feb 2012 07:13:07 +0400
User-agent: Mozilla/5.0 (X11; Linux i686; rv:10.0.2) Gecko/20120216 Thunderbird/10.0.2

On 27.02.2012 16:35, Peter Maydell wrote:
On 27 February 2012 12:13, Evgeny Voevodin<address@hidden>  wrote:
This commit converts code_gen_buffer, code_gen_ptr, tbs, nb_tbs to
TLS. We need this if we want TCG to become multithreaded.
I'm sceptical about doing this kind of thing as a change on its
own. A true multithreaded TCG is a large project, and unless we're
going to commit to doing that I don't see much value in making
some variables per-thread when we might instead need to do
larger refactorings (properly encapsulating the codegen
caches as qom objects, maybe?).

-- PMM


I wanted to get some feedback and points to show up a direction to move in this field.
And qomification of translation caches is an interesting suggestion I think.

--
Kind regards,
Evgeny Voevodin,
Leading Software Engineer,
ASWG, Moscow R&D center, Samsung Electronics
e-mail: address@hidden




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