linux-kernel - Re: mmaping a kernel buffer to user space

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20061031192252.GA26625@flint.arm.linux.org.uk>
Date:	Tue, 31 Oct 2006 19:22:52 +0000
From:	Russell King <rmk+lkml@....linux.org.uk>
To:	Jiri Slaby <jirislaby@...il.com>
Cc:	Guillermo Marcus <marcus@...uni-mannheim.de>,
	linux-kernel@...r.kernel.org
Subject: Re: mmaping a kernel buffer to user space

On Tue, Oct 31, 2006 at 05:00:59PM +0100, Jiri Slaby wrote:
> Piece of code please. pci_alloc_consistent calls __get_free_pages, and there
> should be no problem with mmaping this area.

That is an implementation detail which is not portable to other
architectures.  Please don't encourage people to use non-portable
implementation details.

-- 
Russell King
 Linux kernel    2.6 ARM Linux   - http://www.arm.linux.org.uk/
 maintainer of:  2.6 Serial core
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/