From: Russell King <rmk+lkml@arm.linux.org.uk>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Alistair John Strachan <s0348365@sms.ed.ac.uk>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] sysctl: Undeprecate sys_sysctl
Date: Sat, 11 Nov 2006 08:04:46 +0000 [thread overview]
Message-ID: <20061111080446.GA17861@flint.arm.linux.org.uk> (raw)
In-Reply-To: <m11woblnxf.fsf@ebiederm.dsl.xmission.com>
On Fri, Nov 10, 2006 at 01:13:16AM -0700, Eric W. Biederman wrote:
> Russell King <rmk+lkml@arm.linux.org.uk> writes:
> > Let's not forget that on ARM it's used to get the MMIO region which
> > is used for PIO emulation by glibc. Without it, glibc can't detect
> > where this region is.
>
> Is that on all subarches or just some of them?
No idea - I don't have that sort of information. Those which are PCI
based have the potential to use it if some userspace programmer wants
to use the ioperm/inb/outb etc which glibc provides.
I have had the occasional bug report that these functions haven't
worked when we haven't been exporting the right info via sysctl, so
they do seem to get used.
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 Serial core
next prev parent reply other threads:[~2006-11-11 8:04 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-08 19:00 [PATCH] sysctl: Undeprecate sys_sysctl Eric W. Biederman
2006-11-08 19:10 ` Jesper Juhl
2006-11-08 19:58 ` [PATCH] sysctl: Undeprecate sys_sysctl (take 2) Eric W. Biederman
2006-11-10 6:50 ` Andi Kleen
2006-11-10 7:28 ` Eric W. Biederman
2006-11-11 5:27 ` H. Peter Anvin
2006-11-08 20:49 ` [PATCH] sysctl: Undeprecate sys_sysctl Alan Cox
2006-11-08 20:55 ` Arjan van de Ven
2006-11-09 17:27 ` H. Peter Anvin
2006-11-09 23:17 ` Alistair John Strachan
2006-11-10 5:21 ` Eric W. Biederman
2006-11-10 7:56 ` Russell King
2006-11-10 8:13 ` Eric W. Biederman
2006-11-11 8:04 ` Russell King [this message]
2006-11-10 8:50 ` Alistair John Strachan
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