From: Anthony Liguori <anthony@codemonkey.ws>
To: Max Krasnyansky <maxk@kernel.org>
Cc: aurelien@aurel32.net, qemu-devel@nongnu.org, kvm@vger.kernel.org
Subject: Re: [PATCH] husb: Make control transactions asynchronous (v2)
Date: Sat, 13 Sep 2008 20:09:34 -0500 [thread overview]
Message-ID: <48CC644E.8000304@codemonkey.ws> (raw)
In-Reply-To: <1221343245-24803-1-git-send-email-maxk@kernel.org>
Max Krasnyansky wrote:
> USB is 99.8% async now :). 0.2% is the three control requests that
> we need to execute synchronously. We could off-load that to a thread
> or something but it's not worth the pain since those requests are
> performed only during device initialization (ie when device is
> connected to the VM).
>
> The change is a bit bigger than I wanted due to the fact that generic
> handle_packet()/handle_control() interface was not designed for
> async transactions. So I ended up adding custom handle_packet()
> code to usb-linux. We can make that generic if/when some other
> component needs it.
>
> Signed-off-by: Max Krasnyansky <maxk@kernel.org>
>
Applied. Thanks.
Regards,
Anthony Liguori
WARNING: multiple messages have this Message-ID (diff)
From: Anthony Liguori <anthony@codemonkey.ws>
To: Max Krasnyansky <maxk@kernel.org>
Cc: qemu-devel@nongnu.org, aurelien@aurel32.net, kvm@vger.kernel.org
Subject: [Qemu-devel] Re: [PATCH] husb: Make control transactions asynchronous (v2)
Date: Sat, 13 Sep 2008 20:09:34 -0500 [thread overview]
Message-ID: <48CC644E.8000304@codemonkey.ws> (raw)
In-Reply-To: <1221343245-24803-1-git-send-email-maxk@kernel.org>
Max Krasnyansky wrote:
> USB is 99.8% async now :). 0.2% is the three control requests that
> we need to execute synchronously. We could off-load that to a thread
> or something but it's not worth the pain since those requests are
> performed only during device initialization (ie when device is
> connected to the VM).
>
> The change is a bit bigger than I wanted due to the fact that generic
> handle_packet()/handle_control() interface was not designed for
> async transactions. So I ended up adding custom handle_packet()
> code to usb-linux. We can make that generic if/when some other
> component needs it.
>
> Signed-off-by: Max Krasnyansky <maxk@kernel.org>
>
Applied. Thanks.
Regards,
Anthony Liguori
next prev parent reply other threads:[~2008-09-14 1:10 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-13 22:00 [PATCH] husb: Make control transactions asynchronous (v2) Max Krasnyansky
2008-09-13 22:00 ` [Qemu-devel] " Max Krasnyansky
2008-09-14 1:09 ` Anthony Liguori [this message]
2008-09-14 1:09 ` [Qemu-devel] " Anthony Liguori
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