Re: [patch 7/7] x86/pci/mmcfg: Switch to ECAM config mode if possible

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From	Thomas Gleixner <tglx@linutronix.de>
Newsgroups	linux.kernel
Subject	Re: [patch 7/7] x86/pci/mmcfg: Switch to ECAM config mode if possible
Date	Fri, 17 Mar 2017 07:20:02 +0100
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On Thu, 16 Mar 2017, Andi Kleen wrote:

> > +	/*
> > +	 * The pointer to root_pci_ops has been handed in to ACPI already
> > +	 * and is already set in the busses.
> > +	 *
> > +	 * Switch the functions over to ECAM for all config space accesses.
> > +	 */
> > +	pci_root_ops.read = pci_ecam_read;
> > +	pci_root_ops.write = pci_ecam_write;
> > +	pr_info("PCI: Switch to ECAM configuration mode\n");
> 
> That patch is fine, but it's generally called MMCONFIG (don't know
> where this ECAM term comes from).

ECAM is the official name for the memory mapped configuration mechanism
according to the PCI express specification.

> So please use MMCONFIG or MCFG everywhere, not ECAM.

While I prefer using names which match specifications, I let Bjorn decide
on that one.

Thanks,

	tglx

Thread

[patch 0/7] x86/pci: Switch to lockless ECAM configuration mode Thomas Gleixner <tglx@linutronix.de> - 2017-03-17 00:20 +0100
  [patch 4/7] PCI: Provide Kconfig option for lockless config space  accessors Thomas Gleixner <tglx@linutronix.de> - 2017-03-17 00:20 +0100
  [patch 1/7] x86/pci: Remove duplicate defines Thomas Gleixner <tglx@linutronix.de> - 2017-03-17 00:20 +0100
  [patch 5/7] x86/pci: Select CONFIG_PCI_LOCKLESS_CONFIG Thomas Gleixner <tglx@linutronix.de> - 2017-03-17 00:20 +0100
  [patch 3/7] x86/pci/ce4100: Properly lock accessor functions Thomas Gleixner <tglx@linutronix.de> - 2017-03-17 00:20 +0100
    Re: [patch 3/7] x86/pci/ce4100: Properly lock accessor functions Andi Kleen <ak@linux.intel.com> - 2017-03-17 01:50 +0100
  [patch 6/7] x86/pci/mmcfg: Include 32/64 bit code into shared code Thomas Gleixner <tglx@linutronix.de> - 2017-03-17 00:20 +0100
    Re: [patch 6/7] x86/pci/mmcfg: Include 32/64 bit code into shared  code Andi Kleen <ak@linux.intel.com> - 2017-03-17 01:40 +0100
      Re: [patch 6/7] x86/pci/mmcfg: Include 32/64 bit code into shared  code Thomas Gleixner <tglx@linutronix.de> - 2017-03-17 09:50 +0100
  [patch 7/7] x86/pci/mmcfg: Switch to ECAM config mode if possible Thomas Gleixner <tglx@linutronix.de> - 2017-03-17 00:20 +0100
    Re: [patch 7/7] x86/pci/mmcfg: Switch to ECAM config mode if possible Andi Kleen <ak@linux.intel.com> - 2017-03-17 01:50 +0100
      Re: [patch 7/7] x86/pci/mmcfg: Switch to ECAM config mode if  possible Thomas Gleixner <tglx@linutronix.de> - 2017-03-17 07:20 +0100
  [patch 2/7] x86/pci: Abort if legacy init fails Thomas Gleixner <tglx@linutronix.de> - 2017-03-17 00:20 +0100

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