From: Russell King <rmk@arm.linux.org.uk>
To: Pavel Machek <pavel@ucw.cz>
Cc: torvalds@transmeta.com,
kernel list <linux-kernel@vger.kernel.org>,
Rusty trivial patch monkey Russell <trivial@rustcorp.com.au>
Subject: Re: Provide example copy_in_user implementation
Date: Tue, 24 Jun 2003 11:18:20 +0100 [thread overview]
Message-ID: <20030624111820.D6478@flint.arm.linux.org.uk> (raw)
In-Reply-To: <20030624100610.GC159@elf.ucw.cz>; from pavel@ucw.cz on Tue, Jun 24, 2003 at 12:06:10PM +0200
On Tue, Jun 24, 2003 at 12:06:10PM +0200, Pavel Machek wrote:
> This patch adds example copy_in_user implementation (copy_in_user is
> needed for new ioctl32 implementation, all 64bit archs will need
> it)... Please apply,
get_user / put_user on byte quantities may be faster than using
copy_from_user/copy_to_user on byte quantities. Yes, it may be
a generic implementation, but there's no point in purposely making
it inefficient.
--
Russell King (rmk@arm.linux.org.uk) The developer of ARM Linux
http://www.arm.linux.org.uk/personal/aboutme.html
next prev parent reply other threads:[~2003-06-24 10:04 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-06-24 10:06 Provide example copy_in_user implementation Pavel Machek
2003-06-24 10:18 ` Russell King [this message]
2003-06-24 10:25 ` Pavel Machek
2003-06-24 11:01 ` Russell King
2003-06-24 18:52 ` Linus Torvalds
2003-06-24 10:29 ` Andrew Morton
2003-06-24 10:33 ` Pavel Machek
2003-06-24 18:51 ` Linus Torvalds
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