linux-kernel - Re: [ACS v2 1/1] clean up base on Matt Wilcox feedback.

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Message-ID: <20090916192035.24302d24@jbarnes-g45>
Date:	Wed, 16 Sep 2009 19:20:35 -0700
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	Matthew Wilcox <matthew@....cx>
Cc:	Allen Kay <allen.m.kay@...el.com>, linux-kernel@...r.kernel.org,
	linux-pci@...r.kernel.org
Subject: Re: [ACS v2 1/1] clean up base on Matt Wilcox feedback.

On Wed, 16 Sep 2009 20:18:41 -0600
Matthew Wilcox <matthew@....cx> wrote:

> On Wed, Sep 16, 2009 at 07:07:41PM -0700, Allen Kay wrote:
> > +/* Access Control Service */
> > +#define  PCI_ACS_CAP		0x04	/* ACS Capability
> > Register */ +#define  PCI_ACS_CTRL		0x06	/*
> > ACS Control Register */ +#define  PCI_ACS_EGRESS_CTL_V
> > 0x08	/* ACS Egress Control Vector */ +#define
> > PCI_ACS_SV		0x01	/* Source Validation */
> > +#define  PCI_ACS_TB		0x02	/* Translation
> > Blocking */ +#define  PCI_ACS_RR		0x04	/* P2P
> > Request Redirect */ +#define  PCI_ACS_CR
> > 0x08	/* P2P Completion Redirect */ +#define
> > PCI_ACS_UF		0x10	/* Upstream Forwarding */
> > +#define  PCI_ACS_EC		0x20	/* P2P Egress
> > Control */ +#define  PCI_ACS_DT		0x40	/*
> > Direct Translated P2P */
> 
> Oops, I wasn't clear.  The convention in this file is to use one space
> after the #define for register names and two spaces for bits within
> those registers.  Also, the bits generally go after the register to
> which they apply.
> 
> So what I meant was more like this:
> 
> #define PCI_ACS_CAP		0x04	/* ACS Capability
> Register */ #define  PCI_ACS_SV		0x01	/* Source
> Validation */ #define  PCI_ACS_TB		0x02	/*
> Translation Blocking */ #define  PCI_ACS_RR
> 0x04	/* P2P Request Redirect */ ...
> #define PCI_ACS_CTRL		0x06	/* ACS Control
> Register */ #define PCI_ACS_EGRESS_CTL_V	0x08	/* ACS
> Egress Control Vector */
> 
> Since the bits are the same between CAP and CTRL, they don't need to
> be repeated.
> 
> With this change,
> 
> Reviewed-by: Matthew Wilcox <willy@...ux.intel.com>

Allen, easiest for me if you respin with Matthew's suggestion and a
full changelong + Matthew's reviewed-by.  Then I can just git am it.

Thanks,
-- 
Jesse Barnes, Intel Open Source Technology Center
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