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 05/13] irq/msi: Make use of affinity aware allocations
Date: Tue, 14 Jun 2016 21:58:58 +0200 [thread overview]
Message-ID: <1465934346-20648-6-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>
Allow the MSI code to provide affinity hints per MSI descriptor.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
include/linux/msi.h | 2 ++
kernel/irq/msi.c | 2 +-
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/include/linux/msi.h b/include/linux/msi.h
index c33abfa..4f0bfe5 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -47,6 +47,7 @@ struct fsl_mc_msi_desc {
* @nvec_used: The number of vectors used
* @dev: Pointer to the device which uses this descriptor
* @msg: The last set MSI message cached for reuse
+ * @affinity: Optional pointer to a cpu affinity mask for this descriptor
*
* @masked: [PCI MSI/X] Mask bits
* @is_msix: [PCI MSI/X] True if MSI-X
@@ -67,6 +68,7 @@ struct msi_desc {
unsigned int nvec_used;
struct device *dev;
struct msi_msg msg;
+ const struct cpumask *affinity;
union {
/* PCI MSI/X specific data */
diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c
index 58dbbac..0e2a736 100644
--- a/kernel/irq/msi.c
+++ b/kernel/irq/msi.c
@@ -335,7 +335,7 @@ int msi_domain_alloc_irqs(struct irq_domain *domain, struct device *dev,
virq = __irq_domain_alloc_irqs(domain, -1, desc->nvec_used,
dev_to_node(dev), &arg, false,
- NULL);
+ desc->affinity);
if (virq < 0) {
ret = -ENOSPC;
if (ops->handle_error)
--
2.1.4
_______________________________________________
Linux-nvme mailing list
Linux-nvme@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-nvme
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 05/13] irq/msi: Make use of affinity aware allocations
Date: Tue, 14 Jun 2016 21:58:58 +0200 [thread overview]
Message-ID: <1465934346-20648-6-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>
Allow the MSI code to provide affinity hints per MSI descriptor.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
include/linux/msi.h | 2 ++
kernel/irq/msi.c | 2 +-
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/include/linux/msi.h b/include/linux/msi.h
index c33abfa..4f0bfe5 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -47,6 +47,7 @@ struct fsl_mc_msi_desc {
* @nvec_used: The number of vectors used
* @dev: Pointer to the device which uses this descriptor
* @msg: The last set MSI message cached for reuse
+ * @affinity: Optional pointer to a cpu affinity mask for this descriptor
*
* @masked: [PCI MSI/X] Mask bits
* @is_msix: [PCI MSI/X] True if MSI-X
@@ -67,6 +68,7 @@ struct msi_desc {
unsigned int nvec_used;
struct device *dev;
struct msi_msg msg;
+ const struct cpumask *affinity;
union {
/* PCI MSI/X specific data */
diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c
index 58dbbac..0e2a736 100644
--- a/kernel/irq/msi.c
+++ b/kernel/irq/msi.c
@@ -335,7 +335,7 @@ int msi_domain_alloc_irqs(struct irq_domain *domain, struct device *dev,
virq = __irq_domain_alloc_irqs(domain, -1, desc->nvec_used,
dev_to_node(dev), &arg, false,
- NULL);
+ desc->affinity);
if (virq < 0) {
ret = -ENOSPC;
if (ops->handle_error)
--
2.1.4
WARNING: multiple messages have this Message-ID (diff)
From: hch@lst.de (Christoph Hellwig)
Subject: [PATCH 05/13] irq/msi: Make use of affinity aware allocations
Date: Tue, 14 Jun 2016 21:58:58 +0200 [thread overview]
Message-ID: <1465934346-20648-6-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>
Allow the MSI code to provide affinity hints per MSI descriptor.
Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
---
include/linux/msi.h | 2 ++
kernel/irq/msi.c | 2 +-
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/include/linux/msi.h b/include/linux/msi.h
index c33abfa..4f0bfe5 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -47,6 +47,7 @@ struct fsl_mc_msi_desc {
* @nvec_used: The number of vectors used
* @dev: Pointer to the device which uses this descriptor
* @msg: The last set MSI message cached for reuse
+ * @affinity: Optional pointer to a cpu affinity mask for this descriptor
*
* @masked: [PCI MSI/X] Mask bits
* @is_msix: [PCI MSI/X] True if MSI-X
@@ -67,6 +68,7 @@ struct msi_desc {
unsigned int nvec_used;
struct device *dev;
struct msi_msg msg;
+ const struct cpumask *affinity;
union {
/* PCI MSI/X specific data */
diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c
index 58dbbac..0e2a736 100644
--- a/kernel/irq/msi.c
+++ b/kernel/irq/msi.c
@@ -335,7 +335,7 @@ int msi_domain_alloc_irqs(struct irq_domain *domain, struct device *dev,
virq = __irq_domain_alloc_irqs(domain, -1, desc->nvec_used,
dev_to_node(dev), &arg, false,
- NULL);
+ desc->affinity);
if (virq < 0) {
ret = -ENOSPC;
if (ops->handle_error)
--
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 ` [PATCH 01/13] irq/msi: Remove unused MSI_FLAG_IDENTITY_MAP Christoph Hellwig
2016-06-14 19:58 ` 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 ` Christoph Hellwig [this message]
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 ` [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 05/13] irq/msi: Make use of affinity aware allocations Christoph Hellwig
2016-07-04 8:39 ` Christoph Hellwig
2016-07-04 8:39 ` Christoph Hellwig
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1465934346-20648-6-git-send-email-hch@lst.de \
--to=hch@lst.de \
--cc=axboe@fb.com \
--cc=linux-block@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-nvme@lists.infradead.org \
--cc=linux-pci@vger.kernel.org \
--cc=tglx@linutronix.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.