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| author | Thomas Gleixner <tglx@linutronix.de> | 2016-07-04 17:39:26 +0900 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2016-07-04 12:25:14 +0200 |
| commit | 0972fa57f53525ffa6ced12d703750fc2791e3ce (patch) | |
| tree | 3199a71c175f53ecb59271da64dcc769df8e6b9b /include/linux/msi.h | |
| parent | 45ddcecbfa947f1dd8e8019bad9e90d6c9f2665c (diff) | |
| download | lwn-0972fa57f53525ffa6ced12d703750fc2791e3ce.tar.gz lwn-0972fa57f53525ffa6ced12d703750fc2791e3ce.zip | |
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.h | 2 |
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 */ |