Re: [PATCH 11/15] x86: move enabling of io_apic to prepare_cpus

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]
From: Maciej W. Rozycki
Date: Tuesday, June 10, 2008 - 5:29 pm

On Tue, 10 Jun 2008, Yinghai Lu wrote:


 Thanks for the info.  Let me understand the situation better: local APIC
IDs are preassigned by the firmware based on their "socket address" and
the socket where the lowest numbered quad would be is empty.  
Nevertheless the firmware sets the destination ID of the ExtINTA interrupt
in the I/O APIC to 0 rather than the ID of the bootstrap CPU.  Is that
correct?

 But it would mean the Virtual Wire interrupt delivery would not work, or
is the I/O APIC setup redundant and the local APIC of the bootstrap CPU is
set up for ExtINTA delivery as well?

  Maciej
--
Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

Messages in current thread:
[PATCH 12/15] x86: change naming to match x86_64, Glauber Costa, (Mon Jun 9, 7:16 am)
Re: [PATCH 11/15] x86: move enabling of io_apic to prepare ..., Maciej W. Rozycki, (Tue Jun 10, 6:30 am)
Re: [PATCH 11/15] x86: move enabling of io_apic to prepare ..., Maciej W. Rozycki, (Tue Jun 10, 12:36 pm)
Re: [PATCH 11/15] x86: move enabling of io_apic to prepare ..., Maciej W. Rozycki, (Tue Jun 10, 5:29 pm)
Re: [PATCH 11/15] x86: move enabling of io_apic to prepare ..., Maciej W. Rozycki, (Wed Jun 11, 5:57 am)