lkml.org 
[lkml]   [2024]   [Apr]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH v2 05/13] x86/irq: Reserve a per CPU IDT vector for posted MSIs
From
On Fri, Apr 12, 2024, Kevin Tian wrote:
> > From: Jacob Pan <jacob.jun.pan@linux.intel.com>
> > Sent: Saturday, April 6, 2024 6:31 AM
> >
> > +/*
> > + * Posted interrupt notification vector for all device MSIs delivered to
> > + * the host kernel.
> > + */
> > +#define POSTED_MSI_NOTIFICATION_VECTOR 0xeb
> > #define NR_VECTORS 256
> >
>
> Every interrupt is kind of a notification.

FWIW, I find value in having "notification" in the name to differentiate between
the IRQ that is notifying the CPU that there's a posted IRQ to be processed, and
the posted IRQ itself.

\
 
 \ /
  Last update: 2024-05-27 16:38    [W:0.072 / U:0.056 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site