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From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Bjorn Helgaas <helgaas@kernel.org>,
	x86@kernel.org, Peter Anvin <hpa@zytor.com>,
	Borislav Petkov <bp@alien8.de>,
	Peter Zijlstra <peterz@infradead.org>,
	Stephane Eranian <eranian@google.com>,
	Andi Kleen <ak@linux.intel.com>
Subject: [patch 5/7] x86/pci: Select CONFIG_PCI_LOCKLESS_CONFIG
Date: Thu, 16 Mar 2017 22:50:07 +0100	[thread overview]
Message-ID: <20170316215057.295079391@linutronix.de> (raw)
In-Reply-To: 20170316215002.726697858@linutronix.de

[-- Attachment #1: x86-pci--Select-CONFIG_PCI_LOCKLESS_CONFIG.patch --]
[-- Type: text/plain, Size: 583 bytes --]

All x86 PCI configuration space accessors have either their own
serialization or can operate completely lockless (ECAM).

Disable the global lock in the generic PCI configuration space accessors.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/x86/Kconfig |    1 +
 1 file changed, 1 insertion(+)

--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -165,6 +165,7 @@ config X86
 	select HAVE_UNSTABLE_SCHED_CLOCK
 	select HAVE_USER_RETURN_NOTIFIER
 	select IRQ_FORCED_THREADING
+	select PCI_LOCKLESS_CONFIG
 	select PERF_EVENTS
 	select RTC_LIB
 	select RTC_MC146818_LIB

  parent reply	other threads:[~2017-03-16 23:12 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 ` Thomas Gleixner [this message]
2017-06-28 20:45   ` [tip:x86/platform] x86/PCI: Select CONFIG_PCI_LOCKLESS_CONFIG 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
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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