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authorThomas Gleixner <tglx@linutronix.de>2016-07-04 11:39:26 +0300
committerThomas Gleixner <tglx@linutronix.de>2016-07-04 13:25:14 +0300
commit0972fa57f53525ffa6ced12d703750fc2791e3ce (patch)
tree3199a71c175f53ecb59271da64dcc769df8e6b9b /include/linux/msi.h
parent45ddcecbfa947f1dd8e8019bad9e90d6c9f2665c (diff)
downloadlinux-0972fa57f53525ffa6ced12d703750fc2791e3ce.tar.xz
genirq/msi: Make use of affinity aware allocations
Allow the MSI code to provide affinity hints per MSI descriptor. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Christoph Hellwig <hch@lst.de> Cc: linux-block@vger.kernel.org Cc: linux-pci@vger.kernel.org Cc: linux-nvme@lists.infradead.org Cc: axboe@fb.com Cc: agordeev@redhat.com Link: http://lkml.kernel.org/r/1467621574-8277-6-git-send-email-hch@lst.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/linux/msi.h')
-rw-r--r--include/linux/msi.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/msi.h b/include/linux/msi.h
index c33abfa0f5a7..4f0bfe5912b2 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 */