Re: git pull on ia64 linux tree

From: Keith Owens <>
Date: 2005-09-13 01:13:30
On Mon, 12 Sep 2005 07:49:56 -0700 (PDT), 
Linus Torvalds <> wrote:
>On Mon, 12 Sep 2005, Keith Owens wrote:
>> Or does something that stops the scheduler running on other cpus, which
>> ia64 does.  You are probably unaware that MCA/INIT cause the _entire_
>> system to rendezvous.  All cpus are driven into MCA/INIT code, not just
>> the current cpu.  So the scheduler cannot run on any cpu during
>Ok, I definitely missed that part.
>Then, we should add a huge honking comment somewhere there, to make it 
>obvious that those functions are only usable within that context. And 
>probably make them #ifdef CONFIG_IA64 too (and hide them in shame at the 
>bottom of the file), so that nobody can ever use them for anything else. 
>For example, right now the thing says "this function must be called with 
>interrupts disabled". That's a piece of crap. If it had said "this 
>function must be called only when all CPU's in the system have been 
>stopped", that's something else altogether.

I'll give you that one, it should have said "interrupts disabled on all
cpus", and do a patch against git tommorrow.  Then I can get back to
taking my seriously damaging drugs[1], AKA working on IA64 recovery.

BTW Linus, are you aware that your mailer is putting spaces at the end
of almost every text line?


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Received on Tue Sep 13 01:17:20 2005

This archive was generated by hypermail 2.1.8 : 2005-09-13 01:17:27 EST