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[Qemu-devel] [PATCH v1 3/5] cadence_gem: Only trigger interrupts if the
From: |
Alistair Francis |
Subject: |
[Qemu-devel] [PATCH v1 3/5] cadence_gem: Only trigger interrupts if the status register is set |
Date: |
Tue, 4 Apr 2017 16:40:09 -0700 |
Only trigger multi-queue GEM interrupts if the interrupt status register
is set. This logic was already used for non multi-queue interrupts but
it also applies to multi-queue interrupts.
Signed-off-by: Alistair Francis <address@hidden>
---
hw/net/cadence_gem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/net/cadence_gem.c b/hw/net/cadence_gem.c
index 3e37665..b9eaed4 100644
--- a/hw/net/cadence_gem.c
+++ b/hw/net/cadence_gem.c
@@ -518,7 +518,7 @@ static void gem_update_int_status(CadenceGEMState *s)
}
for (i = 0; i < s->num_priority_queues; ++i) {
- if (s->regs[GEM_INT_Q1_STATUS + i]) {
+ if (s->regs[GEM_INT_Q1_STATUS + i] && s->regs[GEM_ISR]) {
DB_PRINT("asserting int. (q=%d)\n", i);
qemu_set_irq(s->irq[i], 1);
}
--
2.9.3
[Qemu-devel] [PATCH v1 2/5] cadence_gem: Correct the multi-queue can rx logic, Alistair Francis, 2017/04/04
[Qemu-devel] [PATCH v1 1/5] cadence_gem: Read the correct queue descriptor, Alistair Francis, 2017/04/04