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From: Greg KH <greg@kroah.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: linuxppc64-dev@ozlabs.org, linux-kernel@vger.kernel.org,
	Paul Mackerras <paulus@samba.org>,
	Anton Blanchard <anton@samba.org>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: [PATCH 7/8] ppc64: SPU file system
Date: Mon, 16 May 2005 15:49:10 -0700	[thread overview]
Message-ID: <20050516224909.GB13866@kroah.com> (raw)
In-Reply-To: <200505170022.57662.arnd@arndb.de>

On Tue, May 17, 2005 at 12:22:56AM +0200, Arnd Bergmann wrote:
> On Dinsdag 17 Mai 2005 00:27, Greg KH wrote:
> > Huh? ?We can handle syscalls in modules these days pretty simply. ?Look
> > at how nfs and others do it.
> 
> Well afaics, nfs works around this issue by having fs/nfsctl.o always
> as a builtin and abstract the calls through a file system using
> read/write. That would be Ben's idea again, i.e. not actually
> using a system call.
> 
> The only widely used module that I'm aware of ever implementing a system
> call was the TUX web accelerator that that used a hack in entry.S
> and its own dynamic registration.

Sorry, but I was thinking of the cond_syscall() stuff, to allow syscalls
in modules or code that just happens to not be built into the kernel.

thanks,

greg k-h

  reply	other threads:[~2005-05-16 22:49 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-05-13 19:31 [PATCH 0/8] ppc64: Introduce Cell/BPA platform, v2 Arnd Bergmann
2005-05-13 19:21 ` [PATCH 1/8] ppc64: split out generic rtas code from pSeries_pci.c Arnd Bergmann
2005-05-13 19:23 ` [PATCH 2/8] ppc64: add a minimal nvram driver Arnd Bergmann
2005-05-13 19:24 ` [PATCH 3/8] ppc64: add a watchdog driver for rtas Arnd Bergmann
2005-05-17 20:40   ` Nathan Lynch
2005-05-18  7:14     ` Arnd Bergmann
2005-05-18 14:45       ` Nathan Lynch
2005-05-18 14:39         ` Arnd Bergmann
2005-05-13 19:25 ` [PATCH 4/8] ppc64: add BPA platform type Arnd Bergmann
2005-05-17  7:01   ` Paul Mackerras
2005-05-17 11:05     ` Arnd Bergmann
2005-05-13 19:26 ` [PATCH 5/8] ppc64: Add driver for BPA interrupt controllers Arnd Bergmann
2005-05-13 19:27 ` [PATCH 6/8] ppc64: Add driver for BPA iommu Arnd Bergmann
2005-05-13 19:29 ` [PATCH 7/8] ppc64: SPU file system Arnd Bergmann
2005-05-13 23:31   ` Benjamin Herrenschmidt
2005-05-15  9:07     ` Pavel Machek
2005-05-15 12:02       ` Benjamin Herrenschmidt
2005-05-15 12:33         ` Arnd Bergmann
2005-05-14  7:45   ` Greg KH
2005-05-14 13:05     ` Arnd Bergmann
2005-05-15  6:29       ` Benjamin Herrenschmidt
2005-05-15 10:08         ` Arnd Bergmann
2005-05-15 11:50           ` Arnd Bergmann
2005-05-16 20:58       ` Greg KH
2005-05-16 22:01         ` Arnd Bergmann
2005-05-16 22:27           ` Greg KH
2005-05-16 22:22             ` Arnd Bergmann
2005-05-16 22:49               ` Greg KH [this message]
2005-05-15 11:24     ` Andi Kleen
2005-05-16 20:14     ` Roland Dreier
2005-05-16 20:53       ` Greg KH
2005-05-18 12:40     ` [PATCH] libfs: add simple attribute files Arnd Bergmann
2005-05-18 20:24       ` Greg KH
2005-05-19  8:29         ` Arnd Bergmann
2005-05-19  9:18           ` 2.4 Kernel threads linux
2005-06-10  4:33           ` [PATCH] libfs: add simple attribute files Greg KH
2005-05-13 19:32 ` [PATCH 8/8] ppc64: add spufs user library Arnd Bergmann

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