Messages in this thread | | | From | Thomas Gleixner <> | Subject | Re: [PATCH v2 1/3] genirq/affinity: Add irq_update_affinity_desc() | Date | Mon, 02 Nov 2020 21:35:23 +0100 |
| |
On Mon, Nov 02 2020 at 17:32, John Garry wrote: > On 28/10/2020 18:22, Thomas Gleixner wrote: >> But all of this can't work on x86 due to the way how vector allocation >> works. Let me think about that. > > Is the problem that we reserve per-cpu managed interrupt space when > allocated irq vectors on x86, and so later changing managed vs > non-managed setting for irqs messes up this accounting somehow?
Correct. I have a halfways working solution for that, but I need to fix some other thing first.
Thanks,
tglx
| |