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From: Thomas Gleixner <tglx@linutronix.de>
To: Andi Kleen <ak@linux.intel.com>
Cc: Yinghai Lu <yinghai@kernel.org>,
	Stephane Eranian <eranian@google.com>,
	"H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Borislav Petkov <bp@alien8.de>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Bjorn Helgaas <helgaas@kernel.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Matthew Wilcox <willy@linux.intel.com>,
	Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
	"linux-tip-commits@vger.kernel.org" 
	<linux-tip-commits@vger.kernel.org>
Subject: Re: [tip:x86/platform] x86/PCI/mmcfg: Switch to ECAM config mode if possible
Date: Fri, 30 Jun 2017 16:30:54 +0200 (CEST)	[thread overview]
Message-ID: <alpine.DEB.2.20.1706301623040.1748@nanos> (raw)
In-Reply-To: <20170630031849.GP23705@tassilo.jf.intel.com>

On Thu, 29 Jun 2017, Andi Kleen wrote:
> > Would this patch actually void the commit:
> 
> Yes it does. My origina; patches were opt-in for this reason, but Thomas doesn't
> believe in historical or other people's experience.

I did not realize that particular wreckage.

> But MCFG problems were a long time ago and noone uses these systems anymore,
> so perhaps he is right.

The obvious solution to this is to force type 1 for older machines, i.e. <=
K8. Some day we should stop supporting 15+ years old crap just because we
can.

Thanks,

	tglx

  reply	other threads:[~2017-06-30 14:31 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-16 21:50 [patch 0/7] x86/pci: Switch to lockless ECAM configuration mode Thomas Gleixner
2017-03-16 21:50 ` [patch 1/7] x86/pci: Remove duplicate defines Thomas Gleixner
2017-06-27 20:57   ` Bjorn Helgaas
2017-06-28 20:43   ` [tip:x86/platform] x86/PCI: " tip-bot for Thomas Gleixner
2017-03-16 21:50 ` [patch 2/7] x86/pci: Abort if legacy init fails Thomas Gleixner
2017-06-27 20:59   ` Bjorn Helgaas
2017-06-28 20:44   ` [tip:x86/platform] x86/PCI: " tip-bot for Thomas Gleixner
2017-03-16 21:50 ` [patch 3/7] x86/pci/ce4100: Properly lock accessor functions Thomas Gleixner
2017-03-17  0:28   ` Andi Kleen
2017-06-27 21:00   ` Bjorn Helgaas
2017-06-28 20:44   ` [tip:x86/platform] x86/PCI/ce4100: " tip-bot for Thomas Gleixner
2017-03-16 21:50 ` [patch 4/7] PCI: Provide Kconfig option for lockless config space accessors Thomas Gleixner
2017-06-27 21:11   ` Bjorn Helgaas
2017-06-28 20:31     ` Thomas Gleixner
2017-06-28 20:45   ` [tip:x86/platform] " tip-bot for Thomas Gleixner
2017-03-16 21:50 ` [patch 5/7] x86/pci: Select CONFIG_PCI_LOCKLESS_CONFIG Thomas Gleixner
2017-06-28 20:45   ` [tip:x86/platform] x86/PCI: " tip-bot for Thomas Gleixner
2017-03-16 21:50 ` [patch 6/7] x86/pci/mmcfg: Include 32/64 bit code into shared code Thomas Gleixner
2017-03-17  0:25   ` Andi Kleen
2017-03-17  8:41     ` Thomas Gleixner
2017-03-16 21:50 ` [patch 7/7] x86/pci/mmcfg: Switch to ECAM config mode if possible Thomas Gleixner
2017-03-17  0:26   ` Andi Kleen
2017-03-17  6:15     ` Thomas Gleixner
2017-06-27 21:31       ` Bjorn Helgaas
2017-06-28 20:46   ` [tip:x86/platform] x86/PCI/mmcfg: " tip-bot for Thomas Gleixner
2017-06-29  6:45   ` tip-bot for Thomas Gleixner
2017-06-29 23:26     ` Yinghai Lu
2017-06-30  3:18       ` Andi Kleen
2017-06-30 14:30         ` Thomas Gleixner [this message]
2017-06-30 17:16           ` Linus Torvalds
2017-06-30 18:30             ` Ivan Kokshaysky
2017-06-30 18:46             ` Thomas Gleixner
2017-06-13  0:25 ` [patch 0/7] x86/pci: Switch to lockless ECAM configuration mode Andi Kleen
2017-06-21 22:28   ` Thomas Gleixner
2017-06-27 20:55     ` Bjorn Helgaas

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