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acrn-hypervisor
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When guest frees vector, counts needs to be reset. "int" command 

from hv shell ends up incrementing per cpu irq_count.

Signed-off-by: Sainath Grandhi <sainath.grandhi@intel.com>
This commit is contained in:
Sainath Grandhi 2018-06-20 16:41:54 -07:00 committed by lijinxia
parent cb39badf82
commit 5aca8b1cdd
1 changed files with 5 additions and 1 deletions
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6
hypervisor/arch/x86/irq.c
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@ -161,6 +161,7 @@ static void _irq_desc_free_vector(uint32_t irq)
{
struct irq_desc *desc;
uint32_t vr;
int pcpu_id;
if (irq > NR_MAX_IRQS)
return;
@ -175,6 +176,9 @@ static void _irq_desc_free_vector(uint32_t irq)
vr &= NR_MAX_VECTOR;
if (vector_to_irq[vr] == irq)
vector_to_irq[vr] = IRQ_INVALID;
for (pcpu_id = 0; pcpu_id < phy_cpu_num; pcpu_id++)
per_cpu(irq_count, pcpu_id)[irq] = 0;
}
static void disable_pic_irq(void)
@ -714,7 +718,7 @@ void get_cpu_interrupt_info(char *str, int str_max)
str += len;
for (pcpu_id = 0; pcpu_id < phy_cpu_num; pcpu_id++) {
len = snprintf(str, size, "\t%d",
per_cpu(irq_count, pcpu_id)[irq]++);
per_cpu(irq_count, pcpu_id)[irq]);
size -= len;
str += len;
}