On 2020-08-13 09:08, Thomas Gleixner wrote:
Yunfeng Ye writes:
[...]
You are looking at the wrong file. /proc/irq/$IRQ/smp_affinity* is the
possible mask. If you want to know to which CPU an interrupt is affine
then look at /proc/irq/$IRQ/effective_affinity*
If effective_affinity* is not
Yunfeng Ye writes:
> The "managed_irq" for isolcpus is supported after the commit
> 11ea68f553e2 ("genirq, sched/isolation: Isolate from handling managed
> interrupts"), but the interrupt affinity shown in proc directory is
> still the original affinity.
>
> So modify the interrupt affinity
The "managed_irq" for isolcpus is supported after the commit
11ea68f553e2 ("genirq, sched/isolation: Isolate from handling managed
interrupts"), but the interrupt affinity shown in proc directory is
still the original affinity.
So modify the interrupt affinity correctly for managed_irq.
3 matches
Mail list logo