linux-kernel - Re: NO_HZ: timer interrupt stuck

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Message-ID: <p738xeodgan.fsf@bingen.suse.de>
Date:	23 Feb 2007 16:50:24 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	David Miller <davem@...emloft.net>
Cc:	tglx@...utronix.de, jengelh@...ux01.gwdg.de, kronos.it@...il.com,
	linux-kernel@...r.kernel.org
Subject: Re: NO_HZ: timer interrupt stuck

David Miller <davem@...emloft.net> writes:
> 
> BTW, sparc64 always did the trick where the do_timer() work was done
> by one of the per-cpu local timer interrupts, I'm glad the idea gained
> traction generically. :-)))

It was already implemented before for x86-64, but disabled 
by default because it ran into some platform issues. The new code
hopefully knows now how to work around them.

-Andi
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