From: Ingo Molnar <mingo@elte.hu>
To: Zach Brown <zach.brown@oracle.com>
Cc: Jens Axboe <jens.axboe@oracle.com>, Avi Kivity <avi@redhat.com>,
suparna@in.ibm.com, linux-aio@kvack.org,
Jeff Moyer <jmoyer@redhat.com>,
Anthony Liguori <aliguori@us.ibm.com>,
linux-kernel@vger.kernel.org,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: kvm aio wishlist
Date: Tue, 25 Nov 2008 16:57:53 +0100 [thread overview]
Message-ID: <20081125155753.GA22504@elte.hu> (raw)
In-Reply-To: <492C1904.9020309@oracle.com>
* Zach Brown <zach.brown@oracle.com> wrote:
> > Still unsure why that stuff never got anywhere.
>
> Changing the tid of submitting tasks makes it unsuitable for
> sys_io_*() or posix aio users as it stands. Maybe we could swap
> tids on the switch, but we'd probably then have to audit the life
> time of tid -> task_struct users in the kernel.
doesnt look like a big thing affecting the fastpath materially.
> And there's still the question of what ptrace is supposed to do.
debug-only, we sure can work something out.
Ingo
next prev parent reply other threads:[~2008-11-25 15:58 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <492B0CDD.7080000@redhat.com>
[not found] ` <492B2348.9090008@oracle.com>
[not found] ` <492B2976.3010209@redhat.com>
[not found] ` <492B3912.3030707@oracle.com>
[not found] ` <492BC5CB.6000609@redhat.com>
2008-11-25 10:19 ` kvm aio wishlist Suparna Bhattacharya
2008-11-25 10:48 ` Avi Kivity
2008-11-25 14:59 ` Ingo Molnar
2008-11-25 15:10 ` Jens Axboe
2008-11-25 15:25 ` Zach Brown
2008-11-25 15:57 ` Ingo Molnar [this message]
2008-11-25 16:55 ` Avi Kivity
2008-11-25 16:57 ` Ingo Molnar
2008-11-25 16:51 ` Avi Kivity
2008-11-25 16:56 ` Ingo Molnar
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