From: Peter Zijlstra <peterz@infradead.org>
To: Paul Mackerras <paulus@samba.org>
Cc: Huang Ying <ying.huang@intel.com>, Ingo Molnar <mingo@elte.hu>,
"H. Peter Anvin" <hpa@zytor.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Andi Kleen <andi@firstfloor.org>, dhowells <dhowells@redhat.com>,
Russell King <rmk@arm.linux.org.uk>,
Kyle McMartin <kyle@mcmartin.ca>,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
davem <davem@davemloft.net>,
Linux-Arch <linux-arch@vger.kernel.org>
Subject: Re: [PATCH -tip -v5] irq_work: generic hard-irq context callbacks
Date: Tue, 21 Sep 2010 20:20:51 +0200 [thread overview]
Message-ID: <1285093251.2275.888.camel@laptop> (raw)
In-Reply-To: <20100921030523.GB14668@drongo>
On Tue, 2010-09-21 at 13:05 +1000, Paul Mackerras wrote:
> On Mon, Sep 20, 2010 at 11:13:01AM +0200, Peter Zijlstra wrote:
> > On Mon, 2010-09-20 at 14:20 +1000, Paul Mackerras wrote:
> > > Actually these days we do it by setting the decrementer (the built-in
> > > timer facility) to generate an interrupt immediately (well, within one
> > > timebase tick, i.e. a small number of nanoseconds).
> >
> > Then that is something that wants curing I guess..
>
> Curing? Why? How?
Sorry, I got my head in a twist, its fine.
prev parent reply other threads:[~2010-09-21 18:21 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-17 2:05 [PATCH -tip -v5] irq_work: generic hard-irq context callbacks Huang Ying
2010-09-17 13:06 ` Peter Zijlstra
2010-09-20 4:20 ` Paul Mackerras
2010-09-20 9:13 ` Peter Zijlstra
2010-09-21 3:05 ` Paul Mackerras
2010-09-21 18:20 ` Peter Zijlstra [this message]
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