lkml.org 
[lkml]   [2020]   [Oct]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v4 4/4] PCI: Limit pci_alloc_irq_vectors() to housekeeping CPUs
On Mon, Oct 19, 2020 at 11:00:05AM -0300, Marcelo Tosatti wrote:
> > So I think it is important to figure out what that driver really wants
> > in the nohz_full case. If it wants to retain N interrupts per CPU, and
> > only reduce the number of CPUs, the proposed interface is wrong.
>
> It wants N interrupts per non-isolated (AKA housekeeping) CPU.

Then the patch is wrong and the interface needs changing from @min_vecs,
@max_vecs to something that expresses the N*nr_cpus relation.

\
 
 \ /
  Last update: 2020-10-20 09:32    [W:0.115 / U:3.972 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site