linux-kernel - Re: [patch 00/11] ANNOUNCE: "Syslets", generic asynchronous system call support

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Message-ID: <20070213170348.GA18967@elte.hu>
Date:	Tue, 13 Feb 2007 18:03:48 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Andi Kleen <andi@...stfloor.org>, Alan <alan@...rguk.ukuu.org.uk>,
	linux-kernel@...r.kernel.org,
	Arjan van de Ven <arjan@...radead.org>,
	Christoph Hellwig <hch@...radead.org>,
	Andrew Morton <akpm@....com.au>,
	Ulrich Drepper <drepper@...hat.com>,
	Zach Brown <zach.brown@...cle.com>,
	Evgeniy Polyakov <johnpol@....mipt.ru>,
	"David S. Miller" <davem@...emloft.net>,
	Benjamin LaHaise <bcrl@...ck.org>,
	Suparna Bhattacharya <suparna@...ibm.com>,
	Davide Libenzi <davidel@...ilserver.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [patch 00/11] ANNOUNCE: "Syslets", generic asynchronous system call support


* Linus Torvalds <torvalds@...ux-foundation.org> wrote:

> Ie, we could just add to "do_fork()" (which is where all of the 
> vfork/clone/fork cases end up) a simple case like
> 
> 	err = wait_async_context();
> 	if (err)
> 		return err;
> 
> or
> 
> 	if (in_async_context())
> 		return -EINVAL;

ok, this is a much nicer solution. I've scrapped the 
sys_async_sys_call_table[] thing.

	Ingo
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