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From: Randy Dunlap <rdunlap@infradead.org>
To: Jiang Liu <jiang.liu@linux.intel.com>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Yinghai Lu <yinghai@kernel.org>, Borislav Petkov <bp@alien8.de>,
	Grant Likely <grant.likely@linaro.org>,
	x86@kernel.org, Prarit Bhargava <prarit@redhat.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Tony Luck <tony.luck@intel.com>, Joerg Roedel <joro@8bytes.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
	linux-acpi@vger.kernel.org, Ingo Molnar <mingo@kernel.org>
Subject: Re: [Bugfix] x86, irq: Fix bug in setting IOAPIC pin attributes
Date: Tue, 26 Aug 2014 11:55:18 -0700	[thread overview]
Message-ID: <53FCD816.6070108@infradead.org> (raw)
In-Reply-To: <1409042706-11958-1-git-send-email-jiang.liu@linux.intel.com>

On 08/26/14 01:45, Jiang Liu wrote:
> diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
> index 29290f554e79..66c2700c9f83 100644
> --- a/arch/x86/kernel/apic/io_apic.c
> +++ b/arch/x86/kernel/apic/io_apic.c
> @@ -3896,7 +3896,15 @@ int mp_irqdomain_map(struct irq_domain *domain, unsigned int virq,
> +		/*
> +		 * setup_IO_APIC_irqs() programs all legacy IRQs with default
> +		 * trigger and polarity attirbutes. Don't set the flag for that

		                        attributes.

> +		 * case so the first legacy IRQ user could reprogram the pin
> +		 * with real trigger and polarity attributes.
> +		 */

thanks,
-- 
~Randy

  parent reply	other threads:[~2014-08-26 18:55 UTC|newest]

Thread overview: 75+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-09  8:19 [Patch V4 00/42] use irqdomain to dynamically allocate IRQ for IOAPIC Jiang Liu
2014-06-09  8:19 ` [Patch V4 01/42] x86, irq: update high address field when updating affinity for MSI IRQ Jiang Liu
2014-06-09 23:46   ` Yinghai Lu
2014-06-10  2:54     ` Jiang Liu
2014-06-10  0:22   ` David Rientjes
2014-06-09  8:19 ` [Patch V4 02/42] x86, mpparse: use pr_lvl() helper utilities to replace printk(KERN_LVL) Jiang Liu
2014-06-09  8:19 ` [Patch V4 03/42] x86, mpparse: simplify arch/x86/include/asm/mpspec.h Jiang Liu
2014-06-09  8:19 ` [Patch V4 04/42] x86, acpi: reorganize code to avoid forward declaration in boot.c Jiang Liu
2014-06-09  8:19 ` [Patch V4 05/42] x86, PCI, ACPI: use kmalloc_node() to optimize for performance Jiang Liu
2014-06-09  8:19 ` [Patch V4 06/42] x86, acpi, irq: kill static function irq_to_gsi() Jiang Liu
2014-06-09  8:19 ` [Patch V4 07/42] x86, ACPI, trivial: minor improvements to arch/x86/kernel/acpi/boot.c Jiang Liu
2014-06-09  8:19 ` [Patch V4 08/42] x86, ACPI, irq: enhance error handling in function acpi_register_gsi() Jiang Liu
2014-06-09 23:19   ` Thomas Gleixner
2014-06-10  5:49     ` Jiang Liu
2014-06-10  6:11     ` Jiang Liu
2014-06-09  8:19 ` [Patch V4 09/42] x86, ACPI, irq: fix possible eror in GSI to IRQ mapping for legacy IRQ Jiang Liu
2014-06-09  8:19 ` [Patch V4 10/42] x86, irq, trivial: minor improvements of IRQ related code Jiang Liu
2014-06-09  8:19 ` [Patch V4 11/42] x86, ioapic: kill unused global variable timer_through_8259 Jiang Liu
2014-06-09 14:41   ` Maciej W. Rozycki
2014-06-10  3:20     ` Jiang Liu
2014-06-10 21:57       ` Maciej W. Rozycki
2014-06-09  8:19 ` [Patch V4 12/42] x86, ioapic: kill static variable nr_irqs_gsi Jiang Liu
2014-06-09 23:22   ` Thomas Gleixner
2014-06-10  5:31     ` Jiang Liu
2014-06-12 10:58       ` Thomas Gleixner
2014-06-12 12:40         ` Jiang Liu
2014-06-09  8:19 ` [Patch V4 13/42] x86, ioapic: introduce helper utilities to walk ioapics and pins Jiang Liu
2014-06-09  8:19 ` [Patch V4 14/42] x86, ioapic: use irq_cfg() instead of irq_get_chip_data() for better readability Jiang Liu
2014-06-09  8:19 ` [Patch V4 15/42] x86, irq: reorganize IO_APIC_get_PCI_irq_vector() to prepare for irqdomain Jiang Liu
2014-06-09  8:19 ` [Patch V4 16/42] x86, irq: introduce some helper utilities to improve readability Jiang Liu
2014-06-09  8:19 ` [Patch V4 17/42] ce4100, irq: make CE4100 depend on CONFIG_X86_IO_APIC Jiang Liu
2014-06-09  8:19 ` [Patch V4 18/42] ce4100, irq: do not set legacy_pic to null_legacy_pic Jiang Liu
2014-06-09  8:19 ` [Patch V4 19/42] x86, irq: count legacy IRQs by legacy_pic->nr_legacy_irqs instead of NR_IRQS_LEGACY Jiang Liu
2014-06-10 14:18   ` [Xen-devel] " David Vrabel
2014-06-09  8:19 ` [Patch V4 20/42] x86, irq: simplify arch_early_irq_init() Jiang Liu
2014-06-09  8:19 ` [Patch V4 21/42] x86, ACPI, irq: consolidate algorithm of mapping (ioapic, pin) to IRQ number Jiang Liu
2014-06-10  6:13   ` Jiang Liu
2014-06-09  8:19 ` [Patch V4 22/42] x86, irq, ACPI: change __acpi_register_gsi to return IRQ number instead of GSI Jiang Liu
2014-06-10  6:14   ` Jiang Liu
2014-06-09  8:19 ` [Patch V4 23/42] x86, irq: introduce mechanisms to support dynamically allocate IRQ for IOAPIC Jiang Liu
2014-06-09  8:19 ` [Patch V4 24/42] x86, irq: enhance mp_register_ioapic() to support irqdomain Jiang Liu
2014-06-09  8:19 ` [Patch V4 25/42] x86, ACPI, irq: provide basic irqdomain support Jiang Liu
2014-06-09  8:19 ` [Patch V4 26/42] x86, mpparse, " Jiang Liu
2014-06-09  8:19 ` [Patch V4 27/42] x86, SFI, " Jiang Liu
2014-06-09  8:19 ` [Patch V4 28/42] x86, devicetree, irq: use common mechanism to support irqdomain Jiang Liu
2014-06-09  8:19 ` [Patch V4 29/42] x86, irq: introduce two helper functions to support irqdomain map operation Jiang Liu
2014-08-21 14:17   ` Mika Westerberg
2014-08-21 16:57     ` Mika Westerberg
2014-08-21 19:00       ` Jiang Liu
2014-08-22 12:41         ` Mika Westerberg
2014-08-26  8:45           ` [Bugfix] x86, irq: Fix bug in setting IOAPIC pin attributes Jiang Liu
2014-08-26  9:52             ` Mika Westerberg
2014-08-26 21:20               ` Thomas Gleixner
2014-08-27  5:53               ` Jiang Liu
2014-08-27  8:04                 ` Mika Westerberg
2014-08-26 18:55             ` Randy Dunlap [this message]
2014-06-09  8:19 ` [Patch V4 30/42] x86, irq, ACPI: use common irqdomain map interface to program IOAPIC pins Jiang Liu
2014-06-09  8:20 ` [Patch V4 31/42] x86, irq, mpparse: " Jiang Liu
2014-06-09  8:20 ` [Patch V4 32/42] x86, irq, SFI: " Jiang Liu
2014-06-09  8:20 ` [Patch V4 33/42] x86, irq, devicetree: " Jiang Liu
2014-06-09  8:20 ` [Patch V4 34/42] x86, irq: clean up unused IOAPIC interface Jiang Liu
2014-06-09  8:20 ` [Patch V4 35/42] x86, irq: simplify the way to handle ISA IRQ Jiang Liu
2014-06-09  8:20 ` [Patch V4 36/42] genirq: export irq_domain_disassociate() to architecture interrupt drivers Jiang Liu
2014-06-09  8:20 ` [Patch V4 37/42] x86, irq: introduce helper functions to release IOAPIC pin Jiang Liu
2014-06-09  8:20 ` [Patch V4 38/42] x86, irq, ACPI: release IOAPIC pin when PCI device is disabled Jiang Liu
2014-06-10  6:16   ` Jiang Liu
2014-06-09  8:20 ` [Patch V4 39/42] x86, irq, mpparse: " Jiang Liu
2014-06-09  8:20 ` [Patch V4 40/42] x86, irq, SFI: " Jiang Liu
2014-06-09  8:20 ` [Patch V4 41/42] x86, irq, devicetree: " Jiang Liu
2014-06-09  8:20 ` [Patch V4 42/42] x86, irq: clean up irqdomain transition code Jiang Liu
2014-06-21 21:08 ` [Patch V4 00/42] use irqdomain to dynamically allocate IRQ for IOAPIC Thomas Gleixner
2014-06-27  3:36   ` Yinghai Lu
2014-06-22  8:42 ` Ingo Molnar
2014-06-22 14:39   ` Feng Tang
2014-06-22 15:02     ` Feng Tang

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