From: Christoph Hellwig <hch@lst.de>
To: tglx@linutronix.de, axboe@fb.com
Cc: linux-block@vger.kernel.org, linux-pci@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org
Subject: [PATCH 01/13] irq/msi: Remove unused MSI_FLAG_IDENTITY_MAP
Date: Tue, 14 Jun 2016 21:58:54 +0200 [thread overview]
Message-ID: <1465934346-20648-2-git-send-email-hch@lst.de> (raw)
In-Reply-To: <1465934346-20648-1-git-send-email-hch@lst.de>
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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WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: tglx@linutronix.de, axboe@fb.com
Cc: linux-block@vger.kernel.org, linux-pci@vger.kernel.org,
linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH 01/13] irq/msi: Remove unused MSI_FLAG_IDENTITY_MAP
Date: Tue, 14 Jun 2016 21:58:54 +0200 [thread overview]
Message-ID: <1465934346-20648-2-git-send-email-hch@lst.de> (raw)
In-Reply-To: <1465934346-20648-1-git-send-email-hch@lst.de>
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
WARNING: multiple messages have this Message-ID (diff)
From: hch@lst.de (Christoph Hellwig)
Subject: [PATCH 01/13] irq/msi: Remove unused MSI_FLAG_IDENTITY_MAP
Date: Tue, 14 Jun 2016 21:58:54 +0200 [thread overview]
Message-ID: <1465934346-20648-2-git-send-email-hch@lst.de> (raw)
In-Reply-To: <1465934346-20648-1-git-send-email-hch@lst.de>
From: Thomas Gleixner <tglx@linutronix.de>
No user and we definitely don't want to grow one.
Signed-off-by: Thomas Gleixner <tglx at 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
next prev parent reply other threads:[~2016-06-14 19:58 UTC|newest]
Thread overview: 132+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-14 19:58 automatic interrupt affinity for MSI/MSI-X capable devices V2 Christoph Hellwig
2016-06-14 19:58 ` Christoph Hellwig
2016-06-14 19:58 ` Christoph Hellwig [this message]
2016-06-14 19:58 ` [PATCH 01/13] irq/msi: Remove unused MSI_FLAG_IDENTITY_MAP Christoph Hellwig
2016-06-14 19:58 ` Christoph Hellwig
2016-06-16 9:05 ` Bart Van Assche
2016-06-16 9:05 ` Bart Van Assche
2016-06-14 19:58 ` [PATCH 02/13] irq: Introduce IRQD_AFFINITY_MANAGED flag Christoph Hellwig
2016-06-14 19:58 ` Christoph Hellwig
2016-06-14 19:58 ` Christoph Hellwig
2016-06-15 8:44 ` Bart Van Assche
2016-06-15 8:44 ` Bart Van Assche
2016-06-15 10:23 ` Christoph Hellwig
2016-06-15 10:23 ` Christoph Hellwig
2016-06-15 10:42 ` Bart Van Assche
2016-06-15 10:42 ` Bart Van Assche
2016-06-15 10:42 ` Bart Van Assche
2016-06-15 15:14 ` Keith Busch
2016-06-15 15:14 ` Keith Busch
2016-06-15 15:28 ` Bart Van Assche
2016-06-15 15:28 ` Bart Van Assche
2016-06-15 16:03 ` Keith Busch
2016-06-15 16:03 ` Keith Busch
2016-06-15 19:36 ` Bart Van Assche
2016-06-15 19:36 ` Bart Van Assche
2016-06-15 20:06 ` Keith Busch
2016-06-15 20:06 ` Keith Busch
2016-06-15 20:12 ` Keith Busch
2016-06-15 20:12 ` Keith Busch
2016-06-15 20:50 ` Bart Van Assche
2016-06-15 20:50 ` Bart Van Assche
2016-06-16 15:19 ` Keith Busch
2016-06-16 15:19 ` Keith Busch
2016-06-22 11:56 ` Alexander Gordeev
2016-06-22 11:56 ` Alexander Gordeev
2016-06-22 11:56 ` Alexander Gordeev
2016-06-16 15:20 ` Christoph Hellwig
2016-06-16 15:20 ` Christoph Hellwig
2016-06-16 15:39 ` Bart Van Assche
2016-06-16 15:39 ` Bart Van Assche
2016-06-20 12:22 ` Christoph Hellwig
2016-06-20 12:22 ` Christoph Hellwig
2016-06-20 12:22 ` Christoph Hellwig
2016-06-20 13:21 ` Bart Van Assche
2016-06-20 13:21 ` Bart Van Assche
2016-06-20 13:21 ` Bart Van Assche
2016-06-21 14:31 ` Christoph Hellwig
2016-06-21 14:31 ` Christoph Hellwig
2016-06-21 14:31 ` Christoph Hellwig
2016-06-16 9:08 ` Bart Van Assche
2016-06-16 9:08 ` Bart Van Assche
2016-06-14 19:58 ` [PATCH 03/13] irq: Add affinity hint to irq allocation Christoph Hellwig
2016-06-14 19:58 ` Christoph Hellwig
2016-06-14 19:58 ` Christoph Hellwig
2016-06-14 19:58 ` [PATCH 04/13] irq: Use affinity hint in irqdesc allocation Christoph Hellwig
2016-06-14 19:58 ` Christoph Hellwig
2016-06-14 19:58 ` Christoph Hellwig
2016-06-14 19:58 ` [PATCH 05/13] irq/msi: Make use of affinity aware allocations Christoph Hellwig
2016-06-14 19:58 ` Christoph Hellwig
2016-06-14 19:58 ` Christoph Hellwig
2016-06-14 19:58 ` [PATCH 06/13] irq: add a helper spread an affinity mask for MSI/MSI-X vectors Christoph Hellwig
2016-06-14 19:58 ` Christoph Hellwig
2016-06-14 19:58 ` Christoph Hellwig
2016-06-14 21:54 ` Guilherme G. Piccoli
2016-06-14 21:54 ` Guilherme G. Piccoli
2016-06-15 8:35 ` Bart Van Assche
2016-06-15 8:35 ` Bart Van Assche
2016-06-15 8:35 ` Bart Van Assche
2016-06-15 10:10 ` Christoph Hellwig
2016-06-15 10:10 ` Christoph Hellwig
2016-06-15 13:09 ` Guilherme G. Piccoli
2016-06-15 13:09 ` Guilherme G. Piccoli
2016-06-16 15:16 ` Christoph Hellwig
2016-06-16 15:16 ` Christoph Hellwig
2016-06-25 20:05 ` Alexander Gordeev
2016-06-25 20:05 ` Alexander Gordeev
2016-06-30 17:48 ` Christoph Hellwig
2016-06-30 17:48 ` Christoph Hellwig
2016-06-30 17:48 ` Christoph Hellwig
2016-07-01 7:25 ` Alexander Gordeev
2016-07-01 7:25 ` Alexander Gordeev
2016-06-14 19:59 ` [PATCH 07/13] pci: Provide sensible irq vector alloc/free routines Christoph Hellwig
2016-06-14 19:59 ` Christoph Hellwig
2016-06-14 19:59 ` Christoph Hellwig
2016-06-23 11:16 ` Alexander Gordeev
2016-06-23 11:16 ` Alexander Gordeev
2016-06-30 16:54 ` Christoph Hellwig
2016-06-30 16:54 ` Christoph Hellwig
2016-06-30 17:28 ` Alexander Gordeev
2016-06-30 17:28 ` Alexander Gordeev
2016-06-30 17:35 ` Christoph Hellwig
2016-06-30 17:35 ` Christoph Hellwig
2016-06-14 19:59 ` [PATCH 08/13] pci: spread interrupt vectors in pci_alloc_irq_vectors Christoph Hellwig
2016-06-14 19:59 ` Christoph Hellwig
2016-06-14 19:59 ` Christoph Hellwig
2016-06-25 20:22 ` Alexander Gordeev
2016-06-25 20:22 ` Alexander Gordeev
2016-06-14 19:59 ` [PATCH 09/13] blk-mq: don't redistribute hardware queues on a CPU hotplug event Christoph Hellwig
2016-06-14 19:59 ` Christoph Hellwig
2016-06-14 19:59 ` Christoph Hellwig
2016-06-14 19:59 ` [PATCH 10/13] blk-mq: only allocate a single mq_map per tag_set Christoph Hellwig
2016-06-14 19:59 ` Christoph Hellwig
2016-06-14 19:59 ` Christoph Hellwig
2016-06-14 19:59 ` [PATCH 11/13] blk-mq: allow the driver to pass in an affinity mask Christoph Hellwig
2016-06-14 19:59 ` Christoph Hellwig
2016-06-14 19:59 ` Christoph Hellwig
2016-07-04 8:15 ` Alexander Gordeev
2016-07-04 8:15 ` Alexander Gordeev
2016-07-04 8:38 ` Christoph Hellwig
2016-07-04 8:38 ` Christoph Hellwig
2016-07-04 9:35 ` Alexander Gordeev
2016-07-04 9:35 ` Alexander Gordeev
2016-07-10 3:41 ` Christoph Hellwig
2016-07-10 3:41 ` Christoph Hellwig
2016-07-12 6:42 ` Alexander Gordeev
2016-07-12 6:42 ` Alexander Gordeev
2016-06-14 19:59 ` [PATCH 12/13] nvme: switch to use pci_alloc_irq_vectors Christoph Hellwig
2016-06-14 19:59 ` Christoph Hellwig
2016-06-14 19:59 ` Christoph Hellwig
2016-06-14 19:59 ` [PATCH 13/13] nvme: remove the post_scan callout Christoph Hellwig
2016-06-14 19:59 ` Christoph Hellwig
2016-06-14 19:59 ` Christoph Hellwig
2016-06-16 9:45 ` automatic interrupt affinity for MSI/MSI-X capable devices V2 Bart Van Assche
2016-06-16 9:45 ` Bart Van Assche
2016-06-16 9:45 ` Bart Van Assche
2016-06-16 15:22 ` Christoph Hellwig
2016-06-16 15:22 ` Christoph Hellwig
2016-06-26 19:40 ` Alexander Gordeev
2016-06-26 19:40 ` Alexander Gordeev
2016-07-04 8:39 automatic interrupt affinity for MSI/MSI-X capable devices V3 Christoph Hellwig
2016-07-04 8:39 ` [PATCH 01/13] irq/msi: Remove unused MSI_FLAG_IDENTITY_MAP Christoph Hellwig
2016-07-04 8:39 ` Christoph Hellwig
2016-07-04 8:39 ` Christoph Hellwig
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