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From: Arnd Bergmann <arnd@arndb.de>
To: Michael Schnell <mschnell@lumino.de>
Cc: linux-kernel@vger.kernel.org,
	Mike Frysinger <vapier.adi@gmail.com>,
	Paul Mundt <lethal@linux-sh.org>
Subject: Re: implementing Futex
Date: Fri, 14 Aug 2009 13:44:50 +0200	[thread overview]
Message-ID: <200908141344.50639.arnd@arndb.de> (raw)
In-Reply-To: <4A85327D.2040003@lumino.de>

On Friday 14 August 2009, Michael Schnell wrote:
> Does that mean that both in fact do run in the same mode (I suppose
> Kernel Mode and thus the CPU's "System Mode" rather than the CPU's "User
> Mode".

yes

> With that - and supposing that as of Kernel 2.6.31 the sh code I see in
> Kernel 2.6.30 is used in /asm/generic, I would be able to just use the
> "generic" case for "implementing" a working Futex syscall for the NIOS).

Well, I haven't put that code into asm-generic/futex.h yet and it's
too late for 2.6.31, but it should get there eventually, if one of us
four submits a tested patch ;-).

In the meantime, I suggest you use a plain copy of the sh version.

	Arnd <><

  reply	other threads:[~2009-08-14 11:44 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-08-13 15:03 implementing Futex Michael Schnell
2009-08-13 16:39 ` Arnd Bergmann
2009-08-13 17:28   ` Arnd Bergmann
2009-08-14  9:46   ` Michael Schnell
2009-08-14 11:44     ` Arnd Bergmann [this message]
2009-08-17  8:57       ` Mike Frysinger
2009-08-14  9:48   ` Michael Schnell
     [not found]   ` <4A8525A1.205@lumino.de>
     [not found]     ` <200908141128.01179.arnd@arndb.de>
2009-08-14 10:03       ` Michael Schnell
2009-08-14 10:11       ` Michael Schnell
2009-08-14 11:55   ` Michael Schnell
2009-08-14 12:38     ` Arnd Bergmann
2009-08-14 12:56       ` Michael Schnell
2009-08-14 13:33         ` Arnd Bergmann
2009-08-31 16:30           ` Darren Hart
2009-08-17  8:50   ` Michael Schnell
2009-08-17 11:53     ` [Nios2-dev] " Michael Schnell

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