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From: Christoph Hellwig <hch@lst.de>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Marc Zyngier <marc.zyngier@arm.com>,
	Christoph Hellwig <hch@lst.de>, Ingo Molnar <mingo@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Jens Axboe <axboe@kernel.dk>, Keith Busch <keith.busch@intel.com>
Subject: Re: [patch 00/55] genirq: Debuggability, consolidation and managed affinities
Date: Tue, 20 Jun 2017 11:23:12 +0200
Message-ID: <20170620092312.GB10852@lst.de> (raw)
In-Reply-To: <20170619233700.547167146@linutronix.de>

On Tue, Jun 20, 2017 at 01:37:00AM +0200, Thomas Gleixner wrote:
> This started out with 5 patches from Christoph who wanted to add a
> mechanism for interrupts with managed affinities to spread them over all
> present CPUs and instead of migrating them, shut them down into managed
> shutdown state when the last CPU in the affinity set goes offline and then
> resume them when a CPU to which belongs to the affinity set comes online
> again. See:
> 
>    http://lkml.kernel.org/r/20170603140403.27379-1-hch@lst.de

FYI, this seems to work fine for me with the additional block patches
from that series applied.

      parent reply index

Thread overview: 122+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-19 23:37 Thomas Gleixner
2017-06-19 23:37 ` [patch 01/55] x86/apic: Add name to irq chip Thomas Gleixner
2017-06-22 16:40   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 02/55] iommu/amd: " Thomas Gleixner
2017-06-21 15:51   ` Joerg Roedel
2017-06-22 16:40   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 03/55] iommu/vt-d: " Thomas Gleixner
2017-06-21 15:51   ` Joerg Roedel
2017-06-22 16:41   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 04/55] genirq/msi: Prevent overwriting domain name Thomas Gleixner
2017-06-22 16:41   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 05/55] genirq: Allow fwnode to carry name information only Thomas Gleixner
2017-06-22 16:42   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 06/55] x86/vector: Create named irq domain Thomas Gleixner
2017-06-22 16:42   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 07/55] x86/ioapic: " Thomas Gleixner
2017-06-22 16:43   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 08/55] x86/htirq: Create named domain Thomas Gleixner
2017-06-22 16:44   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 09/55] x86/uv: Create named irq domain Thomas Gleixner
2017-06-22 16:44   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 10/55] x86/msi: Provide new iommu irqdomain interface Thomas Gleixner
2017-06-22 16:45   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 11/55] iommu/vt-d: Use named irq domain interface Thomas Gleixner
2017-06-21 15:52   ` Joerg Roedel
2017-06-22 16:45   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 12/55] iommu/amd: " Thomas Gleixner
2017-06-21 15:52   ` Joerg Roedel
2017-06-22 16:46   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 13/55] x86/msi: Remove unused remap " Thomas Gleixner
2017-06-22 16:46   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 14/55] x86/msi: Create named irq domains Thomas Gleixner
2017-06-22 16:47   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 15/55] PCI: vmd: Create named irq domain Thomas Gleixner
2017-06-20 20:07   ` Keith Busch
2017-06-20 20:07     ` Thomas Gleixner
2017-06-20 20:39       ` Thomas Gleixner
2017-06-22 16:47   ` [tip:irq/core] PCI/vmd: " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 16/55] genirq/irqdomain: Add map counter Thomas Gleixner
2017-06-22 16:48   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 17/55] genirq/debugfs: Add proper debugfs interface Thomas Gleixner
2017-06-22 16:49   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 18/55] genirq: Add missing comment for IRQD_STARTED Thomas Gleixner
2017-06-22 16:49   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 19/55] genirq: Provide irq_fixup_move_pending() Thomas Gleixner
2017-06-20  4:21   ` Dou Liyang
2017-06-20  6:58     ` Thomas Gleixner
2017-06-22 16:50   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 20/55] x86/irq: Cleanup pending irq move in fixup_irqs() Thomas Gleixner
2017-06-22 16:50   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 21/55] genirq: Remove mask argument from setup_affinity() Thomas Gleixner
2017-06-22 16:51   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 22/55] genirq: Rename setup_affinity() to irq_setup_affinity() Thomas Gleixner
2017-06-22 16:52   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 23/55] genirq: Move initial affinity setup to irq_startup() Thomas Gleixner
2017-06-22 16:52   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 24/55] genirq: Move pending helpers to internal.h Thomas Gleixner
2017-06-22 16:53   ` [tip:irq/core] " tip-bot for Christoph Hellwig
2017-06-19 23:37 ` [patch 25/55] genirq/cpuhotplug: Remove irq disabling logic Thomas Gleixner
2017-06-22 16:53   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 26/55] genirq/cpuhotplug: Dont claim success on error Thomas Gleixner
2017-06-22 16:54   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 27/55] genirq/cpuhotplug: Reorder check logic Thomas Gleixner
2017-06-22 16:54   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 28/55] genirq/cpuhotplug: Do not migrated shutdown irqs Thomas Gleixner
2017-06-22 16:55   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 29/55] genirq/cpuhotplug: Add support for cleaning up move in progress Thomas Gleixner
2017-06-22 16:56   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 30/55] genirq/cpuhotplug: Add support for conditional masking Thomas Gleixner
2017-06-22 16:56   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 31/55] genirq/cpuhotplug: Set force affinity flag on hotplug migration Thomas Gleixner
2017-06-22 16:57   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 32/55] x86/irq: Restructure fixup_irqs() Thomas Gleixner
2017-06-20 21:34   ` Keith Busch
2017-06-20 21:28     ` Thomas Gleixner
2017-06-22 16:57   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 33/55] x86/irq: Use irq_migrate_all_off_this_cpu() Thomas Gleixner
2017-06-22 16:58   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 34/55] genirq: Move irq_fixup_move_pending() to core Thomas Gleixner
2017-06-22 16:58   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 35/55] genirq: Remove pointless arg from show_irq_affinity Thomas Gleixner
2017-06-22 16:59   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 36/55] genirq: Remove pointless gfp argument Thomas Gleixner
2017-06-22 17:00   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 37/55] genirq/proc: Replace ever repeating type cast Thomas Gleixner
2017-06-22 17:00   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 38/55] genirq: Introduce effective affinity mask Thomas Gleixner
2017-06-22 17:01   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 39/55] genirq/cpuhotplug: Use " Thomas Gleixner
2017-06-22 17:01   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 40/55] x86/apic: Move flat_cpu_mask_to_apicid_and() into C source Thomas Gleixner
2017-06-22 17:02   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 41/55] x86/uv: Use default_cpu_mask_to_apicid_and() Thomas Gleixner
2017-06-22 17:03   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 42/55] x86/apic: Move online masking to core code Thomas Gleixner
2017-06-22 17:03   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 43/55] x86/apic: Move cpumask and " Thomas Gleixner
2017-06-22 17:04   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 44/55] x86/apic: Add irq_data argument to apic->cpu_mask_to_apicid() Thomas Gleixner
2017-06-22 17:04   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 45/55] xen/events: Add support for effective affinity mask Thomas Gleixner
2017-06-22 17:05   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 46/55] x86/apic: Implement effective irq mask update Thomas Gleixner
2017-06-22 17:05   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 47/55] genirq: Introduce IRQD_MANAGED_SHUTDOWN Thomas Gleixner
2017-06-22 17:06   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 48/55] genirq: Split out irq_startup() code Thomas Gleixner
2017-06-22 17:06   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 49/55] genirq: Add force argument to irq_startup() Thomas Gleixner
2017-06-22 17:07   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 50/55] genirq: Handle managed irqs gracefully in irq_startup() Thomas Gleixner
2017-06-22 17:08   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 51/55] genirq/cpuhotplug: Handle managed IRQs on CPU hotplug Thomas Gleixner
2017-06-22 17:08   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 52/55] genirq: Introduce IRQD_SINGLE_TARGET flag Thomas Gleixner
2017-06-22 17:09   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 53/55] genirq/cpuhotplug: Avoid irq affinity setting for single targets Thomas Gleixner
2017-06-22 17:09   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 54/55] x86/apic: Mark single target interrupts Thomas Gleixner
2017-06-22 17:10   ` [tip:irq/core] " tip-bot for Thomas Gleixner
2017-06-19 23:37 ` [patch 55/55] genirq/affinity: Assign vectors to all present CPUs Thomas Gleixner
2017-06-20  9:23 ` Christoph Hellwig [this message]

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