From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from eggs.gnu.org ([2001:4830:134:3::10]:35436)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <fred.konrad@greensocs.com>) id 1YGUX4-0001Ox-W4
	for qemu-devel@nongnu.org; Wed, 28 Jan 2015 10:27:55 -0500
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <fred.konrad@greensocs.com>) id 1YGUWy-0002Wa-OK
	for qemu-devel@nongnu.org; Wed, 28 Jan 2015 10:27:54 -0500
Received: from greensocs.com ([193.104.36.180]:38610)
	by eggs.gnu.org with esmtp (Exim 4.71)
	(envelope-from <fred.konrad@greensocs.com>) id 1YGUWy-0002Vx-G4
	for qemu-devel@nongnu.org; Wed, 28 Jan 2015 10:27:48 -0500
Message-ID: <54C8FFF1.8090605@greensocs.com>
Date: Wed, 28 Jan 2015 16:27:45 +0100
From: Frederic Konrad <fred.konrad@greensocs.com>
MIME-Version: 1.0
References: <54C8FA7B.3050501@greensocs.com> <54C8FD7C.8040907@redhat.com>
In-Reply-To: <54C8FD7C.8040907@redhat.com>
Content-Type: text/plain; charset=windows-1252; format=flowed
Content-Transfer-Encoding: 7bit
Subject: Re: [Qemu-devel] Thread local TCGContext.
List-Id: <qemu-devel.nongnu.org>
List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: Paolo Bonzini <pbonzini@redhat.com>, qemu-devel <qemu-devel@nongnu.org>, mttcg@listserver.greensocs.com
Cc: Peter Maydell <peter.maydell@linaro.org>, Mark Burton <mark.burton@greensocs.com>

On 28/01/2015 16:17, Paolo Bonzini wrote:
>
> On 28/01/2015 16:04, Frederic Konrad wrote:
>>
>>   /* code generation context */
>> -TCGContext tcg_ctx;
>> +__thread TCGContext tcg_ctx;
>>
>> But the big problem is the initialisation, it's done only onetime in the
>> iothread with
>> the accelerator..
> You need to move it to qemu_tcg_cpu_thread_fn.
>
> Paolo
>
Ok that makes sense.

I thought it won't be possible because it seems to be initialized by a 
class but
probably qemu_tcg_cpu_thread_fn exists only when the accelerator is tcg.

Thanks,
Fred