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Groups > linux.kernel > #1422270
| From | Christoph Hellwig <hch@lst.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 01/13] irq/msi: Remove unused MSI_FLAG_IDENTITY_MAP |
| Date | 2016-06-14 22:00 +0200 |
| Message-ID | <rK2Fc-Rz-33@gated-at.bofh.it> (permalink) |
| References | <rK2Fb-Rz-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Thomas Gleixner <tglx@linutronix.de>
No user and we definitely don't want to grow one.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
include/linux/msi.h | 6 ++----
kernel/irq/msi.c | 8 ++------
2 files changed, 4 insertions(+), 10 deletions(-)
diff --git a/include/linux/msi.h b/include/linux/msi.h
index 8b425c6..c33abfa 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -264,12 +264,10 @@ enum {
* callbacks.
*/
MSI_FLAG_USE_DEF_CHIP_OPS = (1 << 1),
- /* Build identity map between hwirq and irq */
- MSI_FLAG_IDENTITY_MAP = (1 << 2),
/* Support multiple PCI MSI interrupts */
- MSI_FLAG_MULTI_PCI_MSI = (1 << 3),
+ MSI_FLAG_MULTI_PCI_MSI = (1 << 2),
/* Support PCI MSIX interrupts */
- MSI_FLAG_PCI_MSIX = (1 << 4),
+ MSI_FLAG_PCI_MSIX = (1 << 3),
};
int msi_domain_set_affinity(struct irq_data *data, const struct cpumask *mask,
diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c
index 38e89ce..eb5bf2b 100644
--- a/kernel/irq/msi.c
+++ b/kernel/irq/msi.c
@@ -324,7 +324,7 @@ int msi_domain_alloc_irqs(struct irq_domain *domain, struct device *dev,
struct msi_domain_ops *ops = info->ops;
msi_alloc_info_t arg;
struct msi_desc *desc;
- int i, ret, virq = -1;
+ int i, ret, virq;
ret = msi_domain_prepare_irqs(domain, dev, nvec, &arg);
if (ret)
@@ -332,12 +332,8 @@ int msi_domain_alloc_irqs(struct irq_domain *domain, struct device *dev,
for_each_msi_entry(desc, dev) {
ops->set_desc(&arg, desc);
- if (info->flags & MSI_FLAG_IDENTITY_MAP)
- virq = (int)ops->get_hwirq(info, &arg);
- else
- virq = -1;
- virq = __irq_domain_alloc_irqs(domain, virq, desc->nvec_used,
+ virq = __irq_domain_alloc_irqs(domain, -1, desc->nvec_used,
dev_to_node(dev), &arg, false);
if (virq < 0) {
ret = -ENOSPC;
--
2.1.4
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automatic interrupt affinity for MSI/MSI-X capable devices V2 Christoph Hellwig <hch@lst.de> - 2016-06-14 22:00 +0200
[PATCH 03/13] irq: Add affinity hint to irq allocation Christoph Hellwig <hch@lst.de> - 2016-06-14 22:00 +0200
[PATCH 11/13] blk-mq: allow the driver to pass in an affinity mask Christoph Hellwig <hch@lst.de> - 2016-06-14 22:00 +0200
[PATCH 06/13] irq: add a helper spread an affinity mask for MSI/MSI-X vectors Christoph Hellwig <hch@lst.de> - 2016-06-14 22:00 +0200
Re: [PATCH 06/13] irq: add a helper spread an affinity mask for MSI/MSI-X vectors "Guilherme G. Piccoli" <gpiccoli@linux.vnet.ibm.com> - 2016-06-15 00:00 +0200
Re: [PATCH 06/13] irq: add a helper spread an affinity mask for MSI/MSI-X vectors Christoph Hellwig <hch@lst.de> - 2016-06-15 12:20 +0200
Re: [PATCH 06/13] irq: add a helper spread an affinity mask for MSI/MSI-X vectors "Guilherme G. Piccoli" <gpiccoli@linux.vnet.ibm.com> - 2016-06-15 15:10 +0200
Re: [PATCH 06/13] irq: add a helper spread an affinity mask for MSI/MSI-X vectors Christoph Hellwig <hch@lst.de> - 2016-06-16 17:20 +0200
[PATCH 07/13] pci: Provide sensible irq vector alloc/free routines Christoph Hellwig <hch@lst.de> - 2016-06-14 22:00 +0200
Re: [PATCH 07/13] pci: Provide sensible irq vector alloc/free routines Alexander Gordeev <agordeev@redhat.com> - 2016-06-23 13:20 +0200
[PATCH 02/13] irq: Introduce IRQD_AFFINITY_MANAGED flag Christoph Hellwig <hch@lst.de> - 2016-06-14 22:00 +0200
Re: [PATCH 02/13] irq: Introduce IRQD_AFFINITY_MANAGED flag Christoph Hellwig <hch@lst.de> - 2016-06-15 12:30 +0200
Re: [PATCH 02/13] irq: Introduce IRQD_AFFINITY_MANAGED flag Keith Busch <keith.busch@intel.com> - 2016-06-15 17:10 +0200
Re: [PATCH 02/13] irq: Introduce IRQD_AFFINITY_MANAGED flag Keith Busch <keith.busch@intel.com> - 2016-06-15 18:00 +0200
Re: [PATCH 02/13] irq: Introduce IRQD_AFFINITY_MANAGED flag Keith Busch <keith.busch@intel.com> - 2016-06-15 22:00 +0200
Re: [PATCH 02/13] irq: Introduce IRQD_AFFINITY_MANAGED flag Keith Busch <keith.busch@intel.com> - 2016-06-15 22:10 +0200
Re: [PATCH 02/13] irq: Introduce IRQD_AFFINITY_MANAGED flag Keith Busch <keith.busch@intel.com> - 2016-06-16 17:20 +0200
Re: [PATCH 02/13] irq: Introduce IRQD_AFFINITY_MANAGED flag Alexander Gordeev <agordeev@redhat.com> - 2016-06-22 14:00 +0200
Re: [PATCH 02/13] irq: Introduce IRQD_AFFINITY_MANAGED flag Christoph Hellwig <hch@lst.de> - 2016-06-16 17:30 +0200
Re: [PATCH 02/13] irq: Introduce IRQD_AFFINITY_MANAGED flag Christoph Hellwig <hch@lst.de> - 2016-06-20 14:30 +0200
Re: [PATCH 02/13] irq: Introduce IRQD_AFFINITY_MANAGED flag Christoph Hellwig <hch@lst.de> - 2016-06-21 16:40 +0200
[PATCH 01/13] irq/msi: Remove unused MSI_FLAG_IDENTITY_MAP Christoph Hellwig <hch@lst.de> - 2016-06-14 22:00 +0200
[PATCH 09/13] blk-mq: don't redistribute hardware queues on a CPU hotplug event Christoph Hellwig <hch@lst.de> - 2016-06-14 22:10 +0200
[PATCH 13/13] nvme: remove the post_scan callout Christoph Hellwig <hch@lst.de> - 2016-06-14 22:10 +0200
[PATCH 08/13] pci: spread interrupt vectors in pci_alloc_irq_vectors Christoph Hellwig <hch@lst.de> - 2016-06-14 22:10 +0200
[PATCH 05/13] irq/msi: Make use of affinity aware allocations Christoph Hellwig <hch@lst.de> - 2016-06-14 22:10 +0200
[PATCH 12/13] nvme: switch to use pci_alloc_irq_vectors Christoph Hellwig <hch@lst.de> - 2016-06-14 22:10 +0200
[PATCH 04/13] irq: Use affinity hint in irqdesc allocation Christoph Hellwig <hch@lst.de> - 2016-06-14 22:10 +0200
Re: automatic interrupt affinity for MSI/MSI-X capable devices V2 Christoph Hellwig <hch@lst.de> - 2016-06-16 17:30 +0200
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