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Re: [Qemu-devel] [PATCH] main: force enabling of I/O thread


From: Andreas Färber
Subject: Re: [Qemu-devel] [PATCH] main: force enabling of I/O thread
Date: Tue, 30 Aug 2011 20:45:47 +0200

Am 30.08.2011 um 00:42 schrieb Jan Kiszka:

On 2011-08-29 23:25, Anthony Liguori wrote:
On 08/29/2011 04:23 PM, Andreas Färber wrote:
Am 29.08.2011 um 22:24 schrieb Anthony Liguori:

On 08/29/2011 03:21 PM, Andreas Färber wrote:
Am 29.08.2011 um 20:03 schrieb Anthony Liguori:

On 08/22/2011 08:35 AM, Jan Kiszka wrote:
On 2011-08-22 15:24, Anthony Liguori wrote:
Enabling the I/O thread by default seems like an important part of
declaring
1.0.

Given that [1] has been applied now, is there any objections to this
patch?

There had been additional patches to fix I/O thread issues on Darwin,
have any such fixes been applied the last few weeks?

I don't see any outstanding Darwin patches in my queue so either they
were applied or there were issues with them.

Alexandre recalled his series on July 25, I spot neither explanation of
what was wrong with it nor a v2. Hope he'll explain.

If there's uncertainty, I'd prefer to enable it sooner than later. This
is a key 1.0 feature IMHO and I'd prefer to have more time to work
through any issues.

What about making --enable-io-thread default as an intermediate step?
That would leave --disable-io-thread as temporary workaround until all
issues are fixed. The latter could generate a big fat warning that this
mode will be removed before 1.0.

Yes please, that proposal sounds much better.

If http://wiki.qemu.org/Planning/1.0 is still up-to-date, we have about six weeks to make I/O thread work everywhere.

Andreas


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