[PATCH] net: mana: Fix IRQ name - add PCI and queue number
Tim Gardner
tim.gardner at canonical.com
Thu Feb 2 23:32:52 UTC 2023
From: Haiyang Zhang <haiyangz at microsoft.com>
BugLink: https://bugs.launchpad.net/bugs/2004604
The PCI and queue number info is missing in IRQ names.
Add PCI and queue number to IRQ names, to allow CPU affinity
tuning scripts to work.
Cc: stable at vger.kernel.org
Fixes: ca9c54d2d6a5 ("net: mana: Add a driver for Microsoft Azure Network Adapter (MANA)")
Signed-off-by: Haiyang Zhang <haiyangz at microsoft.com>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg at intel.com>
Link: https://lore.kernel.org/r/1674161950-19708-1-git-send-email-haiyangz@microsoft.com
Signed-off-by: Jakub Kicinski <kuba at kernel.org>
(cherry picked from commit 20e3028c39a5bf882e91e717da96d14f1acec40e)
Signed-off-by: Tim Gardner <tim.gardner at canonical.com>
---
drivers/net/ethernet/microsoft/mana/gdma.h | 3 +++
drivers/net/ethernet/microsoft/mana/gdma_main.c | 9 ++++++++-
2 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/microsoft/mana/gdma.h b/drivers/net/ethernet/microsoft/mana/gdma.h
index 33e53d32e891..c29e20140d06 100644
--- a/drivers/net/ethernet/microsoft/mana/gdma.h
+++ b/drivers/net/ethernet/microsoft/mana/gdma.h
@@ -334,9 +334,12 @@ struct gdma_queue_spec {
};
};
+#define MANA_IRQ_NAME_SZ 32
+
struct gdma_irq_context {
void (*handler)(void *arg);
void *arg;
+ char name[MANA_IRQ_NAME_SZ];
};
struct gdma_context {
diff --git a/drivers/net/ethernet/microsoft/mana/gdma_main.c b/drivers/net/ethernet/microsoft/mana/gdma_main.c
index 6308ed90b60d..359d50e4e1d2 100644
--- a/drivers/net/ethernet/microsoft/mana/gdma_main.c
+++ b/drivers/net/ethernet/microsoft/mana/gdma_main.c
@@ -1232,13 +1232,20 @@ static int mana_gd_setup_irqs(struct pci_dev *pdev)
gic->handler = NULL;
gic->arg = NULL;
+ if (!i)
+ snprintf(gic->name, MANA_IRQ_NAME_SZ, "mana_hwc at pci:%s",
+ pci_name(pdev));
+ else
+ snprintf(gic->name, MANA_IRQ_NAME_SZ, "mana_q%d at pci:%s",
+ i - 1, pci_name(pdev));
+
irq = pci_irq_vector(pdev, i);
if (irq < 0) {
err = irq;
goto free_irq;
}
- err = request_irq(irq, mana_gd_intr, 0, "mana_intr", gic);
+ err = request_irq(irq, mana_gd_intr, 0, gic->name, gic);
if (err)
goto free_irq;
}
--
2.34.1
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