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Message-Id: <20101206093353.18a5a411.rdunlap@xenotime.net>
Date: Mon, 6 Dec 2010 09:33:53 -0800
From: Randy Dunlap <rdunlap@...otime.net>
To: Jesse Barnes <jbarnes@...tuousgeek.org>
Cc: Nicolas Kaiser <nikai@...ai.net>,
Tiago Vignatti <tiago.vignatti@...ia.com>,
linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Documentation: vgaarbiter: fix typos
On Mon, 6 Dec 2010 09:25:44 -0800 Jesse Barnes wrote:
> On Wed, 1 Dec 2010 16:41:41 -0800
> Randy Dunlap <rdunlap@...otime.net> wrote:
>
> > On Wed, 1 Dec 2010 02:34:57 +0100 Nicolas Kaiser wrote:
> >
> > > Fixed typos.
> > >
> > > Signed-off-by: Nicolas Kaiser <nikai@...ai.net>
> > > ---
> > > Documentation/vgaarbiter.txt | 15 +++++++--------
> > > 1 files changed, 7 insertions(+), 8 deletions(-)
> > >
> > > diff --git a/Documentation/vgaarbiter.txt b/Documentation/vgaarbiter.txt
> > > index 43a9b06..8145f8f 100644
> > > --- a/Documentation/vgaarbiter.txt
> > > +++ b/Documentation/vgaarbiter.txt
> > > @@ -14,11 +14,10 @@ the legacy VGA arbitration task (besides other bus management tasks) when more
> > > than one legacy device co-exists on the same machine. But the problem happens
> > > when these devices are trying to be accessed by different userspace clients
> > > (e.g. two server in parallel). Their address assignments conflict. Moreover,
> > > -ideally, being an userspace application, it is not the role of the the X
> > > -server to control bus resources. Therefore an arbitration scheme outside of
> > > -the X server is needed to control the sharing of these resources. This
> > > -document introduces the operation of the VGA arbiter implemented for Linux
> > > -kernel.
> > > +ideally, being a userspace application, it is not the role of the X server to
> > > +control bus resources. Therefore an arbitration scheme outside of the X server
> > > +is needed to control the sharing of these resources. This document introduces
> > > +the operation of the VGA arbiter implemented for the Linux kernel.
> > >
> > > ----------------------------------------------------------------------------
> > >
> > > @@ -39,7 +38,7 @@ I.1 vgaarb
> > > The vgaarb is a module of the Linux Kernel. When it is initially loaded, it
> > > scans all PCI devices and adds the VGA ones inside the arbitration. The
> > > arbiter then enables/disables the decoding on different devices of the VGA
> > > -legacy instructions. Device which do not want/need to use the arbiter may
> > > +legacy instructions. Devices which do not want/need to use the arbiter may
> > > explicitly tell it by calling vga_set_legacy_decoding().
> > >
> > > The kernel exports a char device interface (/dev/vga_arbiter) to the clients,
> > > @@ -95,7 +94,7 @@ In the case of devices hot-{un,}plugged, there is a hook - pci_notify() - to
> > > notify them being added/removed in the system and automatically added/removed
> > > in the arbiter.
> > >
> > > -There's also a in-kernel API of the arbiter in the case of DRM, vgacon and
> > > +There's also an in-kernel API of the arbiter in the case of DRM, vgacon and
> > > others which may use the arbiter.
> > >
> >
> > How about:
> >
> > There is also an in-kernel API of the arbiter in case DRM, vgacon, or other
> > drivers want to use it.
> >
> > >
> > > @@ -117,7 +116,7 @@ Besides it, in pci_system were added:
> > > struct pci_device *vga_default_dev;
> > >
> > >
> > > -The vga_count is usually need to keep informed how many cards are being
> > > +The vga_count is usually needed to keep informed how many cards are being
> > > arbitrated, so for instance if there's only one then it can totally escape the
> > > scheme.
> >
> > Awkward. How about:
> >
> > The vga_count is used to track how many cards are being arbitrated, so for
> > instance, if there is only one card, then it can completely escape arbitration.
>
> Randy, I assume you'll pick this up once you receive a version you're
> ok with?
I wasn't sure who would, but I can do that.
---
~Randy
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