From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Oded Gabbay <oded.gabbay@gmail.com>
Cc: Jason Gunthorpe <jgg@nvidia.com>, Dave Airlie <airlied@gmail.com>,
dri-devel <dri-devel@lists.freedesktop.org>,
Yuji Ishikawa <yuji2.ishikawa@toshiba.co.jp>,
Jiho Chu <jiho.chu@samsung.com>, Arnd Bergmann <arnd@arndb.de>,
"Linux-Kernel@Vger. Kernel. Org" <linux-kernel@vger.kernel.org>
Subject: Re: New subsystem for acceleration devices
Date: Mon, 8 Aug 2022 08:10:22 +0200 [thread overview]
Message-ID: <YvCozvgodIY19LSr@kroah.com> (raw)
In-Reply-To: <CAFCwf107tLxHKxkPqSRsOHVVp5s2tDEFOOy2oDZUz_KGmv-rDg@mail.gmail.com>
On Sun, Aug 07, 2022 at 02:25:33PM +0300, Oded Gabbay wrote:
> 2. Common code to handle drivers that want to allow a single user at a
> time to run open the device char file.
Note, that's an impossible request, and one that the kernel should never
worry about, so don't even try it. Think about userspace doing an call
to dup() on an open char file descriptor and then passing that off
somewhere else.
thanks,
greg k-h
next prev parent reply other threads:[~2022-08-08 6:10 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20220731114605epcas1p1afff6b948f542e2062b60d49a8023f6f@epcas1p1.samsung.com>
2022-07-31 11:45 ` New subsystem for acceleration devices Oded Gabbay
2022-07-31 15:37 ` Greg Kroah-Hartman
2022-08-01 2:29 ` yuji2.ishikawa
2022-08-01 8:21 ` Oded Gabbay
2022-08-03 4:39 ` yuji2.ishikawa
2022-08-03 5:34 ` Greg KH
2022-08-03 20:28 ` Oded Gabbay
2022-08-02 17:25 ` Jiho Chu
2022-08-02 19:07 ` Oded Gabbay
2022-08-03 19:04 ` Dave Airlie
2022-08-03 20:20 ` Oded Gabbay
2022-08-03 23:31 ` Daniel Stone
2022-08-04 6:46 ` Oded Gabbay
2022-08-04 9:27 ` Jiho Chu
2022-08-03 23:54 ` Dave Airlie
2022-08-04 7:43 ` Oded Gabbay
2022-08-04 14:50 ` Jason Gunthorpe
2022-08-04 17:48 ` Oded Gabbay
2022-08-05 0:22 ` Jason Gunthorpe
2022-08-07 6:43 ` Oded Gabbay
2022-08-07 11:25 ` Oded Gabbay
2022-08-08 6:10 ` Greg Kroah-Hartman [this message]
2022-08-08 17:55 ` Jason Gunthorpe
2022-08-09 6:23 ` Greg Kroah-Hartman
2022-08-09 8:04 ` Christoph Hellwig
2022-08-09 8:32 ` Arnd Bergmann
2022-08-09 12:18 ` Jason Gunthorpe
2022-08-09 12:46 ` Arnd Bergmann
2022-08-09 14:22 ` Jason Gunthorpe
2022-08-09 8:45 ` Greg Kroah-Hartman
2022-08-08 17:46 ` Jason Gunthorpe
2022-08-08 20:26 ` Oded Gabbay
2022-08-09 12:43 ` Jason Gunthorpe
2022-08-05 3:02 ` Dave Airlie
2022-08-07 6:50 ` Oded Gabbay
2022-08-09 21:42 ` Oded Gabbay
2022-08-10 9:00 ` Jiho Chu
2022-08-10 14:05 ` yuji2.ishikawa
2022-08-10 14:37 ` Oded Gabbay
2022-08-23 18:23 ` Kevin Hilman
2022-08-23 20:45 ` Oded Gabbay
2022-08-29 20:54 ` Kevin Hilman
2022-09-23 16:21 ` Oded Gabbay
2022-09-26 8:16 ` Christoph Hellwig
2022-09-29 6:50 ` Oded Gabbay
2022-08-04 12:00 ` Tvrtko Ursulin
2022-08-04 15:03 ` Jeffrey Hugo
2022-08-04 17:53 ` Oded Gabbay
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