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Re: [RFC 0/4] dynamically allocate arch specific system vectors
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From: Ingo Molnar
Subject:
Re: [RFC 0/4] dynamically allocate arch specific system vectors
Date: Tuesday, September 16, 2008 - 1:24 am
* Dean Nelson <dcn@sgi.com> wrote:
quoted text
> > while i understand the UV_BAU_MESSAGE case (TLB flushes are > > special), why does sgi-gru and sgi-xp need to go that deep? They are > > drivers, they should be able to make use of an ordinary irq just > > like the other 2000 drivers we have do. > > The sgi-gru driver needs to be able to allocate a single irq/vector > pair for all CPUs even those that are not currently online. The sgi-xp > driver has similar but not as stringent needs.
why does it need to allocate a single irq/vector pair? Why is a regular interrupt not good? Ingo --
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Messages in current thread:
[Fwd: [PATCH] x86_64: (NEW) Dynamically allocate arch spe ...
, Alan Mayer
, (Fri Aug 8, 8:37 am)
Re: [PATCH] x86_64: (NEW) Dynamically allocate arch speci ...
, Ingo Molnar
, (Mon Aug 11, 9:59 am)
Re: [PATCH] x86_64: (NEW) Dynamically allocate arch speci ...
, Alan Mayer
, (Mon Aug 11, 10:14 am)
Re: [PATCH] x86_64: (NEW) Dynamically allocate arch speci ...
, Eric W. Biederman
, (Mon Aug 11, 12:39 pm)
Re: [PATCH] x86_64: (NEW) Dynamically allocate arch speci ...
, Ingo Molnar
, (Mon Aug 11, 12:51 pm)
Re: [PATCH] x86_64: (NEW) Dynamically allocate arch speci ...
, Jeremy Fitzhardinge
, (Mon Aug 11, 12:55 pm)
Re: [PATCH] x86_64: (NEW) Dynamically allocate arch speci ...
, Alan Mayer
, (Mon Aug 11, 1:02 pm)
Re: [PATCH] x86_64: (NEW) Dynamically allocate arch speci ...
, Eric W. Biederman
, (Mon Aug 11, 1:10 pm)
[RFC 0/4] dynamically allocate arch specific system vectors
, Dean Nelson
, (Thu Sep 11, 8:23 am)
[RFC 1/4] switch vector_irq[] from irq number to irq_desc ...
, Dean Nelson
, (Thu Sep 11, 8:25 am)
[RFC 2/4] introduce dynamically allocated system vectors
, Dean Nelson
, (Thu Sep 11, 8:27 am)
[RFC 3/4] switch static system vector allocation to use ve ...
, Dean Nelson
, (Thu Sep 11, 8:28 am)
[RFC 4/4] switch non-standard SYSCALL_VECTOR allocation to ...
, Dean Nelson
, (Thu Sep 11, 8:29 am)
Re: [RFC 0/4] dynamically allocate arch specific system ve ...
, H. Peter Anvin
, (Thu Sep 11, 1:04 pm)
Re: [RFC 0/4] dynamically allocate arch specific system ve ...
, Dean Nelson
, (Fri Sep 12, 4:46 am)
Re: [RFC 0/4] dynamically allocate arch specific system ve ...
, Ingo Molnar
, (Sun Sep 14, 8:35 am)
Re: [RFC 2/4] introduce dynamically allocated system vectors
, Ingo Molnar
, (Sun Sep 14, 8:39 am)
Re: [RFC 4/4] switch non-standard SYSCALL_VECTOR allocatio ...
, Ingo Molnar
, (Sun Sep 14, 8:40 am)
Re: [RFC 4/4] switch non-standard SYSCALL_VECTOR allocatio ...
, Ingo Molnar
, (Sun Sep 14, 8:42 am)
Re: [RFC 2/4] introduce dynamically allocated system vectors
, Ingo Molnar
, (Sun Sep 14, 8:46 am)
Re: [RFC 0/4] dynamically allocate arch specific system ve ...
, Ingo Molnar
, (Sun Sep 14, 8:48 am)
Re: [RFC 0/4] dynamically allocate arch specific system ve ...
, Dean Nelson
, (Mon Sep 15, 2:50 pm)
Re: [RFC 0/4] dynamically allocate arch specific system ve ...
, Ingo Molnar
, (Tue Sep 16, 1:24 am)
Re: [RFC 0/4] dynamically allocate arch specific system ve ...
, Dean Nelson
, (Tue Sep 16, 1:46 pm)
Re: [RFC 0/4] dynamically allocate arch specific system ve ...
, Dimitri Sivanich
, (Wed Sep 17, 10:30 am)
Re: [RFC 0/4] dynamically allocate arch specific system ve ...
, Eric W. Biederman
, (Wed Sep 17, 11:59 am)
Re: [RFC 0/4] dynamically allocate arch specific system ve ...
, H. Peter Anvin
, (Wed Sep 17, 12:15 pm)
Re: [RFC 0/4] dynamically allocate arch specific system ve ...
, Jack Steiner
, (Wed Sep 17, 1:21 pm)
Re: [RFC 0/4] dynamically allocate arch specific system ve ...
, Eric W. Biederman
, (Wed Sep 17, 3:15 pm)
Re: [RFC 0/4] dynamically allocate arch specific system ve ...
, H. Peter Anvin
, (Wed Sep 17, 6:09 pm)
Re: [RFC 0/4] dynamically allocate arch specific system ve ...
, Dean Nelson
, (Thu Sep 18, 6:37 am)
Re: [RFC 0/4] dynamically allocate arch specific system ve ...
, Jack Steiner
, (Thu Sep 18, 12:10 pm)
Re: [RFC 0/4] dynamically allocate arch specific system ve ...
, H. Peter Anvin
, (Thu Sep 18, 12:18 pm)
Re: [RFC 0/4] dynamically allocate arch specific system ve ...
, Eric W. Biederman
, (Thu Sep 18, 5:28 pm)
Re: [RFC 0/4] dynamically allocate arch specific system ve ...
, Ingo Molnar
, (Fri Sep 19, 1:48 am)
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